Steering Wheel Controls Inoperative MUTE/SEEK UP Switch Inoperative
Step | Action | Values | Yes | No |
|---|---|---|---|---|
Schematic Reference : Steering Wheel Controls Schematics Connector End View Reference: Entertainment Connector End Views or Computer/Integrating Systems Connector End Views in Computer/Integrating Systems | ||||
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Does the ACC Gap Switch parameter indicate Up when SEEK UP is selected and Down when MUTE is selected? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test light illuminate when the SEEK UP switch is pressed? | -- | Go to Step 6 | Go to Step 4 |
4 |
Caution: When performing service on or near the SIR components or the SIR wiring, the SIR system must be disabled. Refer to SIR Disabling and Enabling . Failure to observe the correct procedure could cause deployment of the SIR components, personal injury, or unnecessary SIR system repairs.
Does the test light illuminate? | -- | Go to Step 5 | Go to Step 8 |
5 | Test the steering wheel controls 2 signal circuit for an open, short to ground or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 7 |
6 | Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 9 |
7 | Inspect for poor connections at the harness connector of the MUTE/SEEK UP switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 10 |
8 | Repair the open, the short to ground or the high resistance in the ignition 1 voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 11 | -- |
9 | Replace the BCM. Refer to Control Module References in Computer/Integrating Systems. Did you complete the replacement? | -- | Go to Step 11 | -- |
10 | Replace the steering wheel control switch assembly. Refer to Steering Wheel Control Switch Assembly Replacement in Steering Wheel and Column. Did you complete the replacement? | -- | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
