Pinpoint Test O: The Door Ajar Warning Indicator Is Never/Always On
Instrumentation, Message Center and Warning Chimes
Pinpoint Tests
Pinpoint Test O: The Door Ajar Warning Indicator Is Never/Always On
Normal Operation
The door ajar indicator informs the driver if any of the doors, or the decklid is not completely closed. The information is sent from the Smart Junction Box (SJB) to the Instrument Cluster (IC) over the communication network.
This pinpoint test is intended to diagnose the following:
- Interior lamps concern
- SJB
- IC
PINPOINT TEST O: THE DOOR AJAR WARNING INDICATOR IS NEVER/ALWAYS ON
-------------------------------------------------
O1 CHECK THE OPERATION OF THE INTERIOR LAMPS
- Open and close each door, and the decklid, and monitor the interior lamps.
- Do the interior lamps operate correctly?
Yes
GO to O2.
No
REFER to Courtesy Lamp. Testing and Inspection
-------------------------------------------------
O2 CARRY OUT THE IC WARNING LAMPS AND CHIME ACTIVE COMMAND USING THE SCAN TOOL
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IC DataLogger.
- Select the IC door ajar warning lamp (AJAR_LAMP) active command. Command the door ajar warning lamp on and off. Observe the door ajar warning indicator.
- Does the door ajar warning indicator illuminate when commanded on, and turn off when commanded off?
Yes
GO to O3.
No
INSTALL a new IC. REFER to Instrument Cluster (IC) Instrument Cluster (IC). TEST the system for normal operation.
-------------------------------------------------
O3 RETRIEVE THE RECORDED DTCs FROM THE IC SELF-TEST
- Check for recorded continuous memory IC DTCs.
- Are any DTCs recorded?
Yes
For DTC U1901, REFER to Information Bus to diagnose communication with the SJB.
For all other DTCs, REFER to DTC Charts. [1][2]Diagnostic Trouble Code Descriptions
No
INSTALL a new SJB. REFER to Body Control Systems. TEST the system for normal operation.
-------------------------------------------------