Pinpoint Test W: The Door Ajar Warning Indicator Is Never/Always On

Instrumentation, Message Center and Warning Chimes

Pinpoint Test W: The Door Ajar Warning Indicator Is Never/Always On

Normal Operation

The door ajar indicator informs the driver if any of the doors, the luggage compartment lid or the hood is not completely closed. The door ajar information is sent from the Body Control Module (BCM) to the Instrument Panel Cluster (IPC) over the Medium Speed Controller Area Network (MS-CAN) communication bus.

If the door ajar status is missing or if the data is deemed invalid for less than 5 seconds, the door ajar warning indicator remains in the last indication mode (on or off) based on the last known good request received. If the door ajar status is missing for more than 5 seconds, the IPC sets DTC U0140:00 in continuous memory and defaults the door ajar warning indicator off.

This pinpoint test is intended to diagnose the following:

- Interior lamps concern
- Hood ajar concern
- Decklid ajar concern
- Wiring, terminals or connectors
- BCM
- IPC

PINPOINT TEST W: THE DOOR AJAR WARNING INDICATOR IS NEVER/ALWAYS ON

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W1 CHECK THE INTERIOR LIGHTING OPERATION

- Open and close each door while monitoring the courtesy lamps.
- Do the courtesy lamps operate correctly with each door?

Yes
GO to W2.

No
REFER to Interior Lighting Testing and Inspection.

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W2 CARRY OUT THE IPC DOOR AJAR WARNING INDICATOR ACTIVE COMMAND USING THE SCAN TOOL

- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IPC DataLogger.
- Select the IPC door ajar warning indicator (DOOR_AJAR) active command. Command the door ajar warning indicator on and off while observing the door ajar warning indicator.
- Does the door ajar warning indicator illuminate when commanded on, and turn off when commanded off?

Yes
GO to W3.

No
INSTALL a new IPC. REFER to Instrument Panel Cluster (IPC) Service and Repair. TEST the system for normal operation.

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W3 RETRIEVE THE RECORDED DTCs FROM THE CONTINUOUS IPC SELF-TEST

- Check for recorded IPC DTCs from the continuous self-test.
- Is DTC U0140:00 recorded?

Yes
GO to Pinpoint Test AQ. Pinpoint Tests AQ: DTC U0140:00

No
GO to W4.

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W4 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST

- Check for recorded DTCs from the BCM self-test.
- Are any BCM DTCs recorded?

Yes
REFER to the Diagnostic Trouble Code (DTC) Chart in Multifunction Electronic Modules Testing and Inspection.

No
INSTALL a new BCM. REFER to Multifunction Electronic Modules Body Control Module (BCM). TEST the system for normal operation.

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