Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Steering Wheel Controls Schematics | ||||
1 | Did you perform the Radio/Audio System Diagnostic System Check? | -- | Go to Step 2 | |
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 |
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.
Do the recorded resistances measure near the specified values? | Volume Up--1270 ohms Volume Down--1564 ohms Play--1912 ohms Mute--2387 ohms Seek Up--3102 ohms Seek Down--4282 ohms AM/FM--6652 ohms Pre-Set--13,580 ohms | Go to Step 4 | Go to Step 6 |
4 | Test the radio on signal circuit between the radio and steering wheel controls for an open, short to ground, or short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 5 |
5 | Test the remote radio control signal circuit between the radio and steering wheel controls for an open, short to ground, or a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 7 |
6 | 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 10 | Go to Step 8 |
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 10 | Go to Step 9 |
8 | Replace the steering wheel controls. Did you complete the replacement? | -- | Go to Step 10 | -- |
9 |
Important:: Perform the set up procedure for the radio. Replace the radio. Refer to Radio Replacement and Radio Setup for service procedure. Did you complete the replacement? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | -- |
