Test Description

The numbers below refer to the step numbers on the diagnostic table.

1. 2. Lack of communication may be due to a partial malfunction of the class 2 serial data circuit or due to a total malfunction of the class 2 serial data circuit. The specified procedure will determine the particular condition.
2. 4. This step is checking for DTCs in the BCM.
3. 5. This step is checking for RAP specific DTCs.

Fig 1: Diagnostic System Check - Retained Accessory Power

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Fig 2: Scan Tool Output Controls

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Fig 3: Scan Tool Data List

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