Important: A short to ground will cause an open fuse(s). Before performing this diagnostic procedure, inspect the fuse(s) for an open.

1. Disconnect the left IP wiring harness junction block connector C1.
2. Connect a test lamp between terminal E10 of connector C1 on the left IP wiring harness junction block and B+.

Does the test lamp light?

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Go to Step 2

Go to Step 3

1. Reconnect the left IP wiring harness junction block connector C1.
2. Move the power door lock switch to the LOCK and UNLOCK positions.

Does at least one of the door lock or door unlock relays click or buzz?

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Go to Step 4

Go to Step 5

Repair the open in CKT 150 between the left IP wiring harness junction block and ground splice pack G201. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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System OK

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Replace the clicking or buzzing relay.

Is the repair complete?

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System OK

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Replace the left IP wiring harness junction block. Refer to Relay/Fuse Center Replacement in Wiring Systems.

Is the repair complete?

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System OK

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