Opel Insignia Owners & Service Manuals

Opel Insignia: Repair Instructions

Connector Reconnection - Wheel Speed Sensor

Special Tools

EL-35616 Terminal Test Probe Kit

For equivalent regional tools, refer to Special Tools.

When the condition is not currently present, but is indicated in DTC history, the cause may be intermittent. An intermittent may also be the cause when there is a customer complaint, but the symptom cannot be duplicated. Refer to the Symptom Table of the system that is suspected of causing the condition before trying to locate an intermittent condition.

Most intermittent conditions are caused by faulty electrical connections or wiring. Inspect for the following items:

  • Wiring broken inside the insulation
  • Poor connection between the male and female terminal at a connector
  • Poor terminal to wire connection - Some conditions which fall under this description are poor crimps, poor solder joints, crimping over the wire insulation rather than the wire itself, and corrosion in the wire to terminal contact area, etc.
  • Pierced or damaged insulation can allow moisture to enter the wiring causing corrosion. The conductor can corrode inside the insulation, with little visible evidence. Look for swollen and stiff sections of wire in the suspect circuits.
  • Wiring which has been pinched, cut, or its insulation rubbed through may cause an intermittent open or short as the bare area touches other wiring or parts of the vehicle.
  • Wiring that comes in contact with hot or exhaust components
  • Refer to Inducing Intermittent Fault Conditions in order to duplicate the conditions required, in order to verify the customer concern.
  • Refer to Testing for Electrical Intermittents for test procedures to detect intermittent open, high resistance, short to ground, and short to voltage conditions.
  • Refer to Scan Tool Snapshot Procedure for advanced intermittent diagnosis and Vehicle Data Recorder operation.

Testing for Terminal Fretting

Some intermittent conditions can be caused by wire terminal fretting corrosion. Fretting corrosion is a build-up of insulating, oxidized wear debris that can form when there is a small motion between electrical contacts. The oxidized wear debris can pile up enough at the electrical contact spots that the electrical resistance across the connection increases. Movement between the contacting surfaces as small as 10 to 100 micrometer can cause fretting. To put this in perspective, a sheet of paper is about 100 micrometer thick, so fretting motion is small and hard to see. Vibration and thermal expansion/contraction are the main sources that create fretting motion. Since vehicles vibrate and can experience large temperature swings, they are a good source for fretting motion. Tin, copper, nickel, and iron surfaces are all susceptible to fretting corrosion. Fretting corrosion can be difficult to see but it looks like small, dark smudges on the terminals contact surface.

To correct a fretting condition disconnect the suspect connector and add dielectric grease / lubricant (Nyogel 760G or equivalent, meeting GM specification 9986087) to both sides of the connector terminals. Then reconnect the connector and wipe away any excess lubricant. This will correct the additional terminal contact resistance due to the terminal fretting corrosion.

Testing for Proper Terminal Contact

It is important to test terminal contact at the component and any inline connectors before replacing a suspect component. Mating terminals must be inspected to ensure good terminal contact. A poor connection between the male and female terminal at a connector may be the result of contamination or deformation.

Contamination may be caused by the connector halves being improperly connected. A missing or damaged connector seal, damage to the connector itself, or exposing the terminals to moisture and dirt can also cause contamination. Contamination, usually in the underhood or underbody connectors, leads to terminal corrosion, causing an open circuit or intermittently open circuit.

Deformation is caused by probing the mating side of a connector terminal without the proper adapter.

Always use the EL-35616 kit when probing connectors. Other causes of terminal deformation are improperly joining the connector halves, or repeatedly separating and joining the connector halves.

Deformation, usually to the female terminal contact tang, can result in poor terminal contact causing an open or intermittently open circuit.

Testing for Proper Terminal Contact in Bussed Electrical Centers

It is very important to use the correct test adapter when testing for proper terminal contact of fuses and relays in a bussed electrical center. Use the EL-35616 kit to test for proper terminal contact. Failure to use the EL-35616 kit can result in improper diagnosis of the bussed electrical center.

Follow the procedure below in order to test terminal contact:

1. Separate the connector halves.

2. Visually inspect the connector halves for contamination. Contamination may result in a white or green build-up within the connector body or between terminals. This causes high terminal resistance, intermittent contact, or an open circuit. An underhood or underbody connector that shows signs of contamination should be replaced in its entirety: terminals, seals, and connector body.

3. Using an equivalent male terminal/terminated lead, verify that the retention force is significantly different between a known good terminal and the suspect terminal. Replace the female terminal in question.

Flat Wire Connectors

There are no serviceable parts for flat wire connectors on the harness side or the component side.

Follow the procedure below in order to test terminal contact:

1. Remove the component in question.

2. Visually inspect each side of the connector for signs of contamination. Avoid touching either side of the connector as oil from your skin may be a source of contamination as well.

3. Visually inspect the terminal bearing surfaces of the flat wire circuits for splits, cracks, or other imperfections that could cause poor terminal contact. Visually inspect the component side connector to ensure that all of the terminals are uniform and free of damage or deformation.

4. Insert the appropriate adapter into the flat wire harness connector in order to test the circuit in question.

Control Module/Component Voltage and Grounds

Poor voltage or ground connections can cause widely varying symptoms.

  • Test all control module voltage supply circuits. Many vehicles have multiple circuits supplying voltage to a control module. Other components in the system may have separate voltage supply circuits that may also need to be tested. Inspect connections at the module/component connectors, fuses, and any intermediate connections between the voltage source and the module/component. A test lamp or a DMM may indicate that voltage is present, but neither tests the ability of the circuit to carry sufficient current. Operate the component to test the ability of the circuit to carry sufficient current. Refer to Circuit Testing and Power Distribution Wiring Schematics.
  • Test all control module ground and system ground circuits. The control module may have multiple ground circuits. Other components in the system may have separate grounds that may also need to be tested. Inspect grounds for clean and tight connections at the grounding point. Inspect the connections at the component and in splice packs, where applicable. Operate the component to test the ability of the circuit to carry sufficient current. Refer to Circuit Testing and Ground Distribution Wiring Schematics.

Temperature Sensitivity

  • An intermittent condition may occur when a component/connection reaches normal operating temperature. The condition may occur only when the component/connection is cold, or only when the component/connection is hot.
  • Freeze Frame, Failure Records, Snapshot, or Vehicle Data Recorder data may help with this type of intermittent condition, where applicable.
  • If the intermittent is related to heat, review the data for a relationship with the following:
    • High ambient temperatures
    • Underhood/engine generated heat
    • Circuit generated heat due to a poor connection, or high electrical load
    • Higher than normal load conditions, towing, etc.
  • If the intermittent is related to cold, review the data for the following:
    • Low ambient temperatures - In extremely low temperatures, ice may form in a connection or component. Inspect for water intrusion.
    • The condition only occurs on a cold start.
    • The condition goes away when the vehicle warms up.
  • Information from the customer may help to determine if the trouble follows a pattern that is temperature related.
  • If temperature is suspected of causing an intermittent fault condition, attempt to duplicate the condition. Refer to Inducing Intermittent Fault Conditions in order to duplicate the conditions required.

Electromagnetic Interference and Electrical Noise

Some electrical components/circuits are sensitive to electromagnetic interference or other types of electrical noise. Inspect for the following conditions:

  • A harness that is too close routed to high voltage/high current devices such as secondary ignition components, motors, generator etc. These components may induce electrical noise on a circuit that could interfere with normal circuit operation.
  • Electrical system interference caused by a malfunctioning relay, or a control module driven solenoid or switch. These conditions can cause a sharp electrical surge. Normally, the condition will occur when the malfunctioning component is operating.
  • Installation of non-factory or aftermarket add on accessories such as lights, 2-way radios, amplifiers, electric motors, remote starters, alarm systems, cell phones, etc. These accessories may create interference in other circuits while operating and the interference would disappear when the accessory is not operating. Refer to Checking Aftermarket Accessories.
  • Test for an open diode across the A/C compressor clutch and for other open diodes. Some relays may contain a clamping diode.
  • The generator may be allowing AC noise into the electrical system.

Antilock Brake System Automated Bleed

WARNING: Refer to Brake Fluid Irritant Warning.

CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution.

NOTE: Before performing the ABS Automated Bleed Procedure, first perform a pressure bleed of the base brake system. Refer to Hydraulic Brake System Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual). The automated bleed procedure is recommended when one of the following conditions exist:

  • Base brake system bleeding does not achieve the desired pedal height or feel
  • Extreme loss of brake fluid has occurred
  • Air ingestion is suspected in the secondary circuits of the brake modulator assembly

The ABS Automated Bleed Procedure uses a scan tool to cycle the system solenoid valves and run the pump to purge any air from the secondary circuits. These circuits are normally closed off, and are only opened during system initialization at vehicle start up and during ABS operation. The automated bleed procedure opens these secondary circuits and allows any air trapped in these circuits to flow out toward the brake corners.

Performing the Automated Bleed Procedure

CAUTION: The Auto Bleed Procedure may be terminated at any time during the process by pressing the EXIT button. No further Scan Tool prompts pertaining to the Auto Bleed procedure will be given. After exiting the bleed procedure, relieve bleed pressure and disconnect bleed equipment per manufacturers instructions. Failure to properly relieve pressure may result in spilled brake fluid causing damage to components and painted surfaces.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

2. Remove all four tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.

3. Inspect the brake system for leaks and visual damage. Repair or replace components as needed.

4. Lower the vehicle.

5. Inspect the battery state of charge. Refer to Battery Inspection/Test.

6. Install a scan tool.

7. Turn the ignition ON, with the engine OFF.

8. With the scan tool, establish communications with the ABS system. Select Control Functions.

Select Automated Bleed from the Control Functions menu.

9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

10. Follow the scan tool directions until the desired brake pedal height is achieved.

11. If the bleed procedure is aborted, a malfunction exists. Perform the following steps before resuming the bleed procedure:

  • If a DTC is detected, refer to Diagnostic Trouble Code (DTC) List - Vehicle , and diagnose the appropriate DTC.
  • If the brake pedal feels spongy, perform the pressure bleed procedure again. Refer to Hydraulic Brake System Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual)

12. When the desired pedal height is achieved, press the brake pedal to inspect for firmness.

13. Lower the vehicle.

14. Remove the scan tool.

15. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.

16. Inspect the brake fluid level. Refer to Brake Master Cylinder Reservoir Filling.

17. Road test the vehicle while inspecting that the pedal remains high and firm.

STEERING WHEEL ANGLE SENSOR CENTERING

The steering angle sensor does not require centering often. Centering of the steering angle sensor might be required after certain service procedures are performed. Some of these procedures are as follows:

  • Wheel alignment
  • Steering gear replacement
  • Steering column replacement
  • Collision or other physical damage
  • Power steering control module replacement

The steering angle sensor centering procedure can be completed with a scan tool using the following steps:

1. Using the steering wheel, align and center the front wheels forward.

2. Apply the parking brake, or set the transmission in Park.

3. Install the scan tool to the data link connector.

4. Vehicle in Service Mode.

5. With the scan tool select the Power Steering Control Module.

6. Select the Steering Wheel Angle Sensor Centering under Configuration/Reset Functions list.

7. Follow the scan tool directions to complete the learn procedure.

8. With the scan tool select the Electronic Brake Control Module.

9. Select the Steering Wheel Angle Sensor Centering under Configuration/Reset Functions list.

10. Follow the scan tool directions to complete the learn procedure.

11. Clear any DTCs that may be set.

12. Vehicle OFF.

Electronic Brake Control Module Replacement

Antilock Brake System

Preliminary Procedure

Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (2.0L LTG) or Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (3.6L LGX)

  1. Electronic Brake Control Module Bolt[4x]
    CAUTION: Fastener Caution
    Tighten
    3N.m (27 lb in)
  2. Electronic Brake Control Module
    Procedure
    1. Separate the control module and modulator valve only in a clean environment.
    2. Run all necessary programming and setup procedures. Refer to Control Module References

ELECTRONIC BRAKE AND TRACTION CONTROL MODULE WITH BRAKE PRESSURE MODULATOR VALVE REPLACEMENT (2.0L LTG)

Removal Procedure

WARNING: Brake Fluid Irritant Warning.

CAUTION: Brake Fluid Effects on Paint and Electrical Components Caution.

CAUTION: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

1. Ignition/Vehicle - Off.

2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (3.6L LGX) or Battery Negative Cable Disconnection and Connection (2.0L LTG)

NOTE: Without disconnecting the electrical connectors.

3. Engine Control Module - Reposition away - Engine Control Module Replacement.

4. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement.

5.

Antilock Brake System

Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and debris.

6. Electrical Connector(1)@Electronic Brake Control Module - Disconnect.

7.

Antilock Brake System

Brake Pipe Fitting-Front-Right Side(1) - Disconnect.

8. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

9.

Antilock Brake System

Brake Pipe Fitting-Rear-Left Side(1) - Disconnect.

10. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

11.

Antilock Brake System

Brake Pipe Fitting-Rear-Right Side(1) - Disconnect.

12. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

13.

Antilock Brake System

Brake Pipe Fitting-Front-Left Side(1) - Disconnect.

14. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

15.

Antilock Brake System

Brake Pressure Modulator Valve Secondary Pipe Fitting(1) - Disconnect.

16. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

17.

Antilock Brake System

Brake Pressure Modulator Valve Primary Pipe Fitting(1) - Disconnect.

18. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

19.

Antilock Brake System

Nut(2)@Electronic Brake Control Module - Loosen[2x].

20. Electronic Brake Control Module(1) - Remove.

Installation Procedure

1.

Antilock Brake System

Electronic Brake Control Module(1) - Install.

CAUTION: Fastener Caution.

2. Nut(2)@Electronic Brake Control Module - Tighten[2x]9N.m (80 lb in).

3.

Antilock Brake System

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

4. Brake Pressure Modulator Valve Primary Pipe Fitting(1) - Install and tighten32N.m (24 lb ft).

5.

Antilock Brake System

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

6. Brake Pressure Modulator Valve Secondary Pipe Fitting(1) - Install and tighten32N.m (24 lb ft).

7.

Antilock Brake System

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

8. Brake Pipe Fitting-Front-Left Side(1) - Install and tighten18N.m (13 lb ft).

9.

Antilock Brake System

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

10. Brake Pipe Fitting-Rear-Right Side (1) - Install and tighten18N.m (13 lb ft).

11.

Antilock Brake System

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

12. Brake Pipe Fitting-Rear-Left Side(1) - Install and tighten18N.m (13 lb ft).

13.

Antilock Brake System

Remove the caps or plugs from the brake pipe fitting and the brake pressure modulator valve.

14. Brake Pipe Fitting-Front-Right Side(1) - Install and tighten18N.m (13 lb ft).

15.

Antilock Brake System

Electrical Connector(1)@Electronic Brake Control Module - Disconnect.

16. Radiator Surge Tank Replacement - Install.

17. Engine Control Module - Reposition.

18. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (3.6L LGX) or Battery Negative Cable Disconnection and Connection (2.0L LTG).

19. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual).

20. Run all necessary programming and setup procedures. Refer to Control Module References.

21. Center the steering angle sensor. Refer to Steering Wheel Angle Sensor Centering.

ELECTRONIC BRAKE AND TRACTION CONTROL MODULE WITH BRAKE PRESSURE MODULATOR VALVE REPLACEMENT (3.6L LGX)

Removal Procedure

WARNING: Brake Fluid Irritant Warning.

CAUTION: Brake Fluid Effects on Paint and Electrical Components Caution.

CAUTION: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

1. Place the ignition switch in the OFF position.

2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (3.6L LGX) or Battery Negative Cable Disconnection and Connection (2.0L LTG).

3.

Antilock Brake System

Air Cleaner Outlet Duct(1) - Remove.

4. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement.

5. Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and debris.

6.

Antilock Brake System

EBCM Electrical Connector (1) - Disconnect.

7.

Antilock Brake System

Right Front Brake Pipe Fitting (1) - Disconnect.

8. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

9.

Antilock Brake System

Left Rear Brake Pipe Fitting (1) - Disconnect.

10. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

11.

Antilock Brake System

Right Rear Brake Pipe Fitting (1) - Disconnect.

12. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

13.

Antilock Brake System

Left Front Brake Pipe Fitting (1) - Disconnect.

14. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

15.

Antilock Brake System

Brake Pressure Modulator Valve Secondary Pipe Fitting(1) - Disconnect.

16. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

17.

Antilock Brake System

Brake Pressure Modulator Valve Primary Pipe Fitting(1) - Disconnect.

18. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

19.

Antilock Brake System

Brake Pressure Modulator Valve Bracket Nut(1) - Loosen.

20.

Antilock Brake System

Brake Pressure Modulator Valve Bracket Nut(1) - Remove.

21.

Antilock Brake System

Brake Pressure Modulator Valve Bracket Bolt(1) - Remove.

22.

Antilock Brake System

Electronic Traction Control Brake Pressure Modulator Valve (1) - Remove.

Installation Procedure

1.

Antilock Brake System

Electronic Traction Control Brake Pressure Modulator Valve (1) - Install.

2.

Antilock Brake System

CAUTION: Fastener Caution.

Brake Pressure Modulator Valve Bracket Bolt(1) - Install and tighten9 N.m (80 lb in).

3.

Antilock Brake System

Brake Pressure Modulator Valve Bracket Nut(1) - Install and tighten9 N.m (80 lb in).

4.

Antilock Brake System

Brake Pressure Modulator Valve Bracket Nut(1) - Install and tighten9 N.m (80 lb in).

5.

Antilock Brake System

Brake Pressure Modulator Valve Primary Pipe Fitting(1) - Install and tighten.

6.

Antilock Brake System

Brake Pressure Modulator Valve Secondary Pipe Fitting(1) - Install and tighten.

7.

Antilock Brake System

Left Front Brake Pipe Fitting (1) - Install and tighten.

8.

Antilock Brake System

Right Rear Brake Pipe Fitting (1) - Install and tighten18 N.m (13 lb ft).

9.

Antilock Brake System

Left Rear Brake Pipe Fitting (1) - Install and tighten18 N.m (13 lb ft).

10.

Antilock Brake System

Right Front Brake Pipe Fitting (1) - Install and tighten.

11.

Antilock Brake System

EBCM Electrical Connector (1) - Connect.

12. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual).

13. Reposition and install the radiator surge tank. Refer to Radiator Surge Tank Replacement.

14.

Antilock Brake System

Air Cleaner Outlet Duct(1) - Install.

15. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (3.6L LGX) or Battery Negative Cable Disconnection and Connection (2.0L LTG).

16. Run all necessary programming and setup procedures. Refer to Control Module References.

17. Center the steering angle sensor. Refer to Steering Wheel Angle Sensor Centering.

Brake Pressure Modulator Valve Bracket Replacement

Antilock Brake System

Preliminary Procedure

Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (2.0L LTG) or Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (3.6L LGX)

  1. Brake Pressure Modulator Valve Bracket Bolt
    CAUTION: Fastener Caution
    Tighten
    9N.m (80 lb in)
  2. Brake Pressure Modulator Valve Bracket Nut[2x]
    Tighten
    9N.m (80 lb in)
  3. Brake Pressure Modulator Valve Bracket

FRONT WHEEL SPEED SENSOR REPLACEMENT

Removal Procedure

WARNING: Brake Dust Warning

1. Front Wheelhouse Liner - Remove.

2. Wheel Speed Sensor Electrical Connector - Disconnect.

3.

Antilock Brake System

Retainer(1)@Radiator Support - Release.

4.

Antilock Brake System

Retainer(1)@Side Rail - Release[3x].

5.

Antilock Brake System

Retainer(1)@Front Brake Hose - Release[2x].

6.

Antilock Brake System

Retainer(1)@Steering Knuckle - Release.

7.

Antilock Brake System

Wheel Speed Sensor Bolt(1) - Remove.

8.

Antilock Brake System

Wheel Speed Sensor(1) - Remove.

Installation Procedure

1.

Antilock Brake System

Wheel Speed Sensor(1) - Install.

2.

Antilock Brake System

CAUTION: Fastener Caution.

Wheel Speed Sensor Bolt(1) - Install and tighten9 N.m (80 lb in).

3.

Antilock Brake System

Retainer(1)@Steering Knuckle - Secure.

4.

Antilock Brake System

Retainer(1)@Front Brake Hose - Secure[2x].

5.

Antilock Brake System

Retainer(1)@Side Rail - Secure[3x].

6.

Antilock Brake System

Retainer(1)@Radiator Support - Secure.

7. Wheel Speed Sensor Electrical Connector - Connect.

8. Front Wheelhouse Liner - Install.

9. Verify the repair is complete. Refer to Diagnostic Repair Verification.

REAR WHEEL SPEED SENSOR REPLACEMENT (FRONT WHEEL DRIVE)

Removal Procedure

WARNING: Brake Dust Warning.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

2. Wheel Speed Sensor Electrical Connector - Disconnect.

3.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Release.

4.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Release.

5.

Antilock Brake System

Retainer(1)@Upper Control Arm - Release[4x].

6.

Antilock Brake System

Wheel Speed Sensor Bolt(1) - Remove.

7.

Antilock Brake System

Wheel Speed Sensor(1) - Remove.

Installation Procedure

1.

Antilock Brake System

Wheel Speed Sensor(1) - Install.

2.

Antilock Brake System

CAUTION: Fastener Caution.

Wheel Speed Sensor Bolt(1) - Install and tighten9 N.m (80 lb in).

3.

Antilock Brake System

Retainer(1)@Upper Control Arm - Secure[4x].

4.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Secure.

5.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Secure.

6. Wheel Speed Sensor Electrical Connector - Connect.

7. Verify the repair is complete. Refer to Diagnostic Repair Verification.

REAR WHEEL SPEED SENSOR REPLACEMENT (ALL WHEEL DRIVE)

Removal Procedure

WARNING: Brake Dust Warning

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

3.

Antilock Brake System

Wheel Speed Sensor Electrical Connector(1) - Disconnect.

4.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Release.

5.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Release.

6.

Antilock Brake System

Retainer(1)@Rear Suspension Upper Trailing Link - Release[2x].

7.

Antilock Brake System

Retainer(1)@Rear Suspension Knuckle - Release.

8.

Antilock Brake System

Wheel Speed Sensor Bolt(1) - Remove.

9.

Antilock Brake System

Wheel Speed Sensor(1) - Remove.

Installation Procedure

1.

Antilock Brake System

Wheel Speed Sensor(1) - Install.

2.

Antilock Brake System

CAUTION: Fastener Caution

Wheel Speed Sensor Bolt(1) - Install and tighten9 N.m (80 lb in).

3.

Antilock Brake System

Retainer(1)@Rear Suspension Knuckle - Secure.

4.

Antilock Brake System

Retainer(1)@Rear Suspension Upper Trailing Link - Secure[2x].

5.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Secure.

6.

Antilock Brake System

Retainer(1)@Rear Suspension Cradle - Secure.

7.

Antilock Brake System

Wheel Speed Sensor Electrical Connector(1) - Connect.

8. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

9. Verify the repair is complete. Refer to Diagnostic Repair Verification.

VEHICLE YAW SENSOR LEARN

The yaw rate sensor does not require calibration often. Calibrating the yaw rate sensor might be required after certain service procedures are performed. Some of these procedures are as follows:

  • Yaw Rate Sensor replacement
  • Electronic Brake Control Module replacement
  • Inflatable Restraint Sensing and Diagnostic Module replacement
  • Multi-axis Acceleration Sensor Module replacement (UGN)

The yaw rate sensor learn procedure can be completed with a scan tool using the following steps:

1. Place vehicle on a level surface.

2. Apply the parking brake, or set the transmission in the Park position.

3. Install the scan tool to the data link connector.

4. Ignition ON/Vehicle in Service Mode.

5. Select Yaw Rate Sensor Learn in the Electronic Brake Control Module Configuration/Reset Functions list.

6. Follow the scan tool directions to complete the calibration procedure.

7. Clear any DTCs that may be set.

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