FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Passenger Door Ajar Circuit Open







*PASSENGER DOOR AJAR CIRCUIT OPEN

For a complete wiring diagram Consult Diagrams/Electrical





Diagnostic Test

1. PDM NOT RESPONDING TO INPUT
Open the passenger door.
With the scan tool in Inputs/Outputs, read the PASSENGER DOOR AJAR SW state.
Does the scan tool display CLOSED?

Yes

- Replace the Passenger Door Module.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Go To 2

2. OPEN (Z74) PASSENGER DOOR AJAR SWITCH GROUND CIRCUIT




Disconnect the Passenger Door Lock Motor/Ajar switch connector
Using a 12-volt Test Light connected to 12-volts, check the (Z74) Ground circuit.
Does the test light illuminate brightly?

Yes

- Go To 3

No

- Repair the (Z74) Ground circuit for an open to the Passenger Door Module.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

3. OPEN PASSENGER DOOR LOCK MOTOR/AJAR SWITCH




With the scan tool in Inputs/Outputs, read the PASSENGER DOOR AJAR SW state.
Connect a jumper wire between (G74) Passenger Door Ajar Switch Sense circuit and the (Z74) Ground circuit.
Does the scan tool display PASSENGER DOOR AJAR SW: CLOSED?

Yes

- Replace the Passenger Door Lock Motor/Ajar Switch (door latch).
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Go To 4

4. (G74) PASSENGER DOOR AJAR SWITCH SENSE CIRCUIT OPEN




Turn the ignition off.
Disconnect the PDM C3 harness connector.
Measure the resistance of the (G74) Passenger Door Ajar Switch Sense circuit between the PDM C3 connector and the Passenger Door Lock Motor/Ajar Switch connector.
Is the resistance below 5.0 ohms?

Yes

- Replace the Passenger Door Module .
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Repair the (G74) Passenger Door Ajar Switch Sense circuit for an open.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.