For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Door Lock/Indicator Schematics Connector End View Reference: Power Door Systems Connector End Views , Body Control System Connector End Views , or Electrical Center Identification Views
1 | Did you perform the Door System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Door Systems
2 | Verify the all doors and switches power door locks inoperative 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 |

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, command the door lock relay ON.

Do the door lock actuators activate?

Go to Step 4

Go to Step 7

4 | Is the RT I/P BATT fuse open? | Go to Step 12 | Go to Step 5
5 | Probe the supply side of the BODY fuse with a test lamp connected to a good ground. Does the test lamp illuminate? | Go to Step 6 | Go to Step 8
6 | Is the BODY fuse open? | Go to Step 13 | Go to Step 9
7 | Test the right I/P fuse block ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 10
8 | Test the battery positive voltage circuit from the RT I/P BATT fuse to the right I/P fuse block for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 10
9 | Test the battery positive voltage circuit from the BODY fuse to the door lock switches for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 10
10 | Inspect for poor connections at the right 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 15 | Go to Step 11
11 | Inspect for poor connections at the 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 15 | Go to Step 14
12 | Repair the short to ground in the battery positive voltage circuit from the RT I/P BATT fuse to the right I/P fuse block. Refer to Wiring Repairs and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | --
13 | Repair the short to ground in the battery positive voltage circuit from the BODY fuse to the door lock switches. Refer to Wiring Repairs and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | --
14 |

1. Perform the set-up procedure for the body control module. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.
2. Replace the body control Module. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 15

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15 | Operate the system in order to verify the repair. Did you find and correct the condition? | System OK | Go to Step 2