*FLIP-UP GLASS AJAR CIRCUIT SHORT TO GROUND
For a complete wiring diagram Refer to Section 8W.
Theory of Operation
The scan tool will display the door state NOT the switch state. It will display as True/False. True states that the door is ajar (open). False states that the door is NOT ajar (closed).
| Possible Causes |
| (G80) FLIP-UP GLASS AJAR SWITCH SENSE CIRCUIT SHORT TO GROUND |
| FLIP-UP GLASS AJAR SWITCH |
| BODY CONTROL MODULE |
1. CHECK FOR SHORTED FLIP-UP GLASS AJAR SWITCH
With the scan tool in Data Display, read the FLIP-UP AJAR SW state.
Disconnect the Tailgate Flip-Up Glass Ajar Switch connector.
Does the scan tool display FLIP-UP AJAR SW: FALSE?
Yes
- Replace the Flip-up Glass Ajar Switch.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Go To2
2. CHECK FOR (G80) FLIP-UP GLASS AJAR SWITCH SENSE CIRCUIT SHORT TO GROUND
Disconnect the Body Control Module C1 harness connector.
Using a 12–volt test light connected to 12–volts, test the (G80) Flip-Up Glass Ajar Switch Sense circuit for a short to ground.
Does the test light illuminate brightly?
No
- Replace the Body Control Module in accordance with service information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
Yes
- Repair the (G80) Flip-up Glass Ajar Switch Sense circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)