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

Did you perform the power door locks system check?

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Go to Step  2

Go to Power Door Locks System Check

1. Turn the ignition switch to the OFF position.
2. Measure the voltage in CKT 1240 at the suspect door lock switch connector terminal F and ground.

Does the voltage equal the specified value?

B+

Go to Step  3

Go to Step  4

1. Hold the suspect door lock switch in the LOCK position.
2. Measure the voltage at the following locations:

•	LF door lock switch - between the switch connector terminal C and ground

•	RF, RR, or LR door lock switch - between the switch connector terminal B and ground

Does the voltage equal the specified value?

B+

Go to Step  5

Go to Step  6

Repair an open in CKT 1240 between terminal F of the faulty switch and ground. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Power Door Locks System Check

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1. Hold the suspect door lock switch in the UNLOCK position.
2. Measure the voltage at the following locations:

•	LF door lock switch - between the switch connector terminal B and ground

•	RF, RR, or LR door lock switch - between the switch connector terminal C and ground

Does the voltage equal the specified value?

B+

Go to Step  7

Go to Step  6

Replace the suspect door lock switch. Refer to Door Lock Switch Replacement .

Did you complete the repair?

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Go to Power Door Locks System Check

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Hold the LF door lock switch in the LOCK position.

Do the doors lock?

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Go to Step  9

Go to Step  8

Repair an open in CKT 195 between the LF door lock switch connector terminal C and S301. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Power Door Locks System Check

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Hold the RF, RR, or LR door lock switch in the LOCK position.

Do the doors lock?

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Go to Step  11

Go to Step  10

Repair an open in CKT 195 between the switch connector terminal B and S301. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Power Door Locks System Check

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Hold the LF door lock switch in the UNLOCK position.

Do the doors unlock?

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Go to Step  13

Go to Step  12

Repair the open in CKT 195 between the LF door lock switch connector terminal B and S300.

Did you complete the repair?

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Go to Power Door Locks System Check

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Hold the RF, RR, or LR door lock switch in the UNLOCK position.

Do the doors unlock?

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Go to Power Door Locks System Check

Go to Step  14

Repair the open in CKT 195 between the switch connector terminal C and S300.

Did you complete the repair?

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Go to Power Door Locks System Check

Go to Step  15

Replace bad actuator.

Did you complete the repair?

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Go to Power Door Locks System Check

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