Circuit/System Verification
- Verify DTC B1529 07 is not set. If the DTC is set, clear the DTC and operate the vehicle within the Conditions for Running the DTC. If the DTC resets, refer to «Charging System Test»(ref-302110-S17716894452008102100000) .
- Ignition ON, observe the scan tool SWC Bank 1 status while pressing and releasing the switches. The reading should be SW1-SW7 identifying the switch pressed, and Idle when released.
Repair Procedures
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
- «Steering Wheel Control Switch Assembly Replacement»(ref-302139-S11900158272008102100000)
- «Control Module References»(ref-302118-S20112801552008102100000) for BCM replacement, setup, and programming
Reference Information
Schematic Reference
Starting and Charging Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Charging System Description and Operation
Electrical Information Reference
- «Circuit Testing»(ref-302132-S22107311252008102100000)
- «Connector Repairs»(ref-302132-S18253991032008102100000)
- «Testing for Intermittent Conditions and Poor Connections»(ref-302132-S40146669752008102100000)
- «Wiring Repairs»(ref-302132-S42054099512008102100000)
Scan Tool Reference
Control Module References for Scan Tool Information
Symptoms - Secondary and Configurable Customer Controls
| IMPORTANT | Perform the Diagnostic System Check - Vehicle before using the Symptom Tables in order to verify that all of the following conditions are true: There are no DTCs set. The control modules can communicate via the serial data link. Review the system operation in order to familiarize yourself with the system functions. Refer to Steering Wheel Controls Description and Operation . |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .
Schematic Reference
Steering Wheel Secondary/Configurable Control Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Steering Wheel Controls Description and Operation
Electrical Information Reference
- «Circuit Testing»(ref-302132-S22107311252008102100000)
- «Connector Repairs»(ref-302132-S18253991032008102100000)
- «Testing for Intermittent Conditions and Poor Connections»(ref-302132-S40146669752008102100000)
- «Wiring Repairs»(ref-302132-S42054099512008102100000)
Scan Tool Reference
Control Module References for Scan Tool Information
Ignition ON, observe the scan tool SWC Bank 1 status while pressing and releasing the switches. The reading should be SW1-SW7 identifying the switch pressed, and Idle when released.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
- «Steering Wheel Control Switch Assembly Replacement»(ref-302139-S11900158272008102100000)
- «Control Module References»(ref-302118-S20112801552008102100000) for BCM replacement, setup, and programming
Scheme 3
| Callout | Component Name |
|---|---|
| Preliminary Procedure: Remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement . | |
| 1 | Steering Wheel Trim Plate Screw (Qty: 4) NOTE: Refer to Fastener Notice . Tighten: 2 N.m (18 lb in) |
| 2 | Steering Wheel Trim Plate (Qty: 2) |
| 3 | Radio Control Screw (Qty: 6) NOTE: Refer to Fastener Notice . Tighten: 2 N.m (18 lb in) |
| 4 | Radio Control Switch Assembly Procedure Disconnect the electrical connector. Make sure the steering wheel control switches are properly seated to the steering wheel trim cover during installation. |
| 5 | Cruise Control Switch Assembly Procedure Disconnect the electrical connector. Make sure the steering wheel control switches are properly seated to the steering wheel trim cover during installation. |
| NOTE |
|---|
| Refer to Fastener Notice . |
| NOTE |
|---|
| Refer to Fastener Notice . |