| 1 | CHECK USING THE EXAMINER | All OK | Problems encountered | Operation |
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| Connect to the Body Computer node using the Examiner and check that the controls on the steering wheel are working properly. | Move on to Step 1 | 1. Wiring from clock spring to Body Computer broken.2. Wiring from contacts on steering wheel to Body Computer broken.3. Controls on the steering wheel defective. | 1. Repair/replace the clock spring.2. Repair/Replace the wiring.3. Replace the controls on the steering wheel Op. 5570T66 MODULE (ONE) ON STEERING WHEEL FOR RADIO CONTROL - R+R |
| 2 | CHECK USING THE EXAMINER | All OK | Problems encountered | Operation |
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| Check the list of faulty control units using the Examiner in "CAN information". | Move on to Step 2 | Faulty control units present. | Continue as instructed by the diagnostic equipment. |
| 3 | ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
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| Check that the body computer is working properly. | End of diagnosis. | Body Computer defective. | Replace Body Computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R. |