Use a test light in order to backprobe between the inoperative door lock switch terminal B and the ground.

Does the test light illuminate?

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Go to Step 2

Go to Step 3

1. Inspect for a poor connection at the inoperative door lock switch and C301 left or C302 right.
2. If the connection is OK, replace the inoperative door lock switch.

Is the repair complete?

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Go to Step 4

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1. Inspect C301 left or C302 right for a poor connection.
2. If the connection is OK, repair the poor connection or an open in CKT 1140 between the inoperative door lock switch and S306.

Is the repair complete?

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Go to Step 4

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1. Ensure that the ignition switch is in the LOCK position.
2. Reconnect any connectors/components removed.

Have all repairs been made?

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Go to Power Door Locks System Check .

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