Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Operate all of the steering wheel controls. Do all of the steering wheel controls operate properly? | -- | Go to Step 2 | |
2 | Test the radio on signal circuit for a short to ground or open. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 3 |
3 |
Warning: Refer to SIR Warning in the Preface section.
Are the measured resistances approximately equal to the specified values? | Volume Up: 1.2 K Ω Volume Down: 1.56 K Ω Mode: 1.9 K Ω Mute: 2.38 K Ω Seek Up: 3.1 K Ω Seek Down: 4.28 K Ω Seek Type: 6.65 K Ω Pre-Set: 13.6 K Ω | Go to Step 4 | Go to Step 6 |
4 | Test the steering wheel controls signal circuit for a short, high resistance or an open. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 5 |
5 | Inspect for poor connections at the harness connector of the radio. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 8 |
6 | Inspect for poor connections at the harness connector of the steering wheel radio controls. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 7 |
7 | Replace the appropriate steering wheel radio control. Did you complete the replacement? | -- | Go to Step 9 | -- |
8 | Replace the radio. Did you complete the replacement? | -- | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 1 |
