Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Steering Wheel Controls Schematics | ||||
1 | Did you review the Radio/Audio System Description and Operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms - Entertainment |
2 |
Do all of the steering wheel controls operate properly? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Do one or more of the steering wheel control switches operate properly? | -- | Go to Step 8 | Go to Step 4 |
4 |
Caution: When you are performing service on or near the SIR components or the SIR wiring, you must disable the SIR system. Refer to Disabling the SIR System. Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.
Is the resistance within the specified range? | 12.3 Kohms - 15 Kohms | Go to Step 5 | Go to Step 9 |
5 | Test the accessory voltage circuit for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 6 |
6 | Test the remote radio control signal circuit for a high resistance or an open. 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 |
7 | Inspect for poor connections at the harness connector of the radio. 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 | Inspect for poor connections at the harness connector of the steering wheel controls. 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 |
9 | Replace the steering wheel control. Refer to Steering Wheel Control Switches Replacement . Did you complete the replacement? | -- | Go to Step 11 | -- |
10 | Replace the radio. Refer to Radio Replacement . 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 3 |
