Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Door Lock/Indicator Schematics Connector End View Reference: Power Door Systems Connector End Views , Computer/Integrating Systems Connector End Views in Computer/Integrating Systems, or Electrical Center Identification Views in Wiring Systems | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 | Verify that one door lock switch or actuator fault is present. Do the power door locks operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring System | Go to Step 3 |
3 | Is the door lock switch the inoperative component? | Go to Step 4 | Go to Step 6 |
4 | Are both the LOCK and UNLOCK functions inoperative? | Go to Step 10 | Go to Step 5 |
5 | Is the LOCK function the inoperative function? | Go to Step 11 | Go to Step 12 |
6 | Is the driver door lock actuator the inoperative component? | Go to Step 7 | Go to Step 8 |
7 |
Does the test lamp illuminate? | Go to Step 16 | Go to Step 13 |
8 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 14 |
9 | Activate a door lock switch to the UNLOCK position. Does the test lamp illuminate? | Go to Step 17 | Go to Step 15 |
10 | Test the battery positive voltage circuit from the LOCK/MIRROR fuse to the door lock switch for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 18 |
11 | Test the passenger door lock switch lock supply voltage circuit for an open or short to battery. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 19 |
12 | Test the passenger door lock switch unlock supply voltage circuit for an open or short to battery. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 19 |
13 | Test the driver door lock actuator unlock control circuit for an open or short to battery. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 15 |
14 | Test the appropriate lock actuator lock control circuit for an open or short to battery. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 20 |
15 | Test the appropriate lock actuator unlock control circuit for an open or short to battery. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 20 |
16 | Inspect for poor connections at the driver door lock actuator. 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 25 | Go to Step 21 |
17 | Inspect for poor connections at the appropriate lock actuator. 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 21 | Go to Step 21 |
18 | Inspect for poor connections at the appropriate door lock switch. 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 25 | Go to Step 22 |
19 | Inspect for poor connections at the body control module (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 25 | Go to Step 23 |
20 | Inspect for poor connections at the I/P fuse block harness connectors. 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 25 | Go to Step 24 |
21 | Replace the appropriate lock actuator. Refer to Front Side Door Latch Replacement or Rear Side Door Latch Replacement . Did you complete the repair? | Go to Step 25 | -- |
22 | Replace the appropriate door lock switch. Refer to Door Lock Switch Replacement . Did you complete the repair? | Go to Step 25 | -- |
23 | Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 25 | -- |
24 | Replace the appropriate door lock relay. Refer to Relay Replacement in Wiring Systems. Did you complete the repair? | Go to Step 25 | -- |
25 | Operate the system in order to verify the repair. Did you find and correct the condition? | System OK | Go to Step 2 |
