Test Description
The numbers below refer to the step numbers on the diagnostic table.
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Tests for an open in the BCM battery positive voltage circuits and the ignition voltage circuits.
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Tests for an open in the BCM ground circuits.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Body Control System Schematics | |||
1 | Did you perform the BCM Diagnostic System Check? | Go to Step 2 | |
Test the battery positive voltage circuits, the ignition voltage input circuits and the ignition voltage output circuits of the BCM for an open or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 3 | ||
Test the ground circuits of the BCM for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 4 | ||
4 | Inspect for poor connections at the harness connector of the BCM. 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 5 | |
5 | Replace the BCM. Refer to Body Control Module Replacement . Is the repair complete? | -- | |
