For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Power Door Locks System Check? | -- | Go to Step 2 | Go to Power Door Locks System Check
2 |

1. Disconnect the body control module (MALL) module connector C2.
2. Use a digital multimeter (DMM), set to the ohms scale, in order to backprobe the inoperative front power door lock switch connector from terminal C (RED/BLK) to ground.
3. Press the inoperative front power door lock switch to the LOCK position.

Does the resistance measure within the specified range?

0-5 ohms

Go to Step 4

Go to Step 3

3 | Repair the open or high resistance in CKT 780 (RED/BLK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
4 | Inspect for poor terminal contact at the inoperative front power door lock switch connector. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems. Is the terminal contact OK? | -- | Go to Step 6 | Go to Step 5
5 | Repair the terminal contact at the front power door lock switch connector. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
6 | Replace the inoperative front power door lock switch. Refer to one of the following procedures:

• | Door Lock and Side Window Switch Replacement

• | Door Lock Switch Replacement

• | Door Lock Switch Replacement

Is the repair complete?

--

Go to Power Door Locks System Check

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