Pinpoint Test U: The Lane Keeping System RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Lane Keeping System RTT indicator. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the lane keeping system status display message is missing for less than 5 seconds, the IPC defaults the lane keeping system RTT indicator to the last indication state (on or off), based upon the last message received.
If the lane keeping system status display message is missing for 5 seconds or longer, the IPC defaults the lane keeping system RTT indicator off.
Possible Sources
- Lane keeping system concern
- Communication concern
- IPMA concern
- GWM
- IPC
- U1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors and the hood.
- Monitor the door ajar RTT warning indicator.
- Open the driver door.
- Monitor the door ajar RTT warning indicator.
Is the door ajar RTT warning indicator off with the door closed, and on with the door open?
Yes GO to U2 No GO to Pinpoint Test A - U2 CHECK THE LANE DEPARTURE SWITCH OPERATION
- Press the lane departure switch to turn the system on then off again.
Does the lane departure RTT indicator turn on then off again?
Yes The system is operating correctly at this time. The system was turned off. No GO to U3 - U3 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Using a diagnostic scan tool, perform the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to Diagnostic Trouble Code (DTC) Chart . No GO to U4 - U4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (DTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Controller Area Network (CAN) Module Communications Network . No DIAGNOSE the lane keeping system. REFER to: Lane Keeping System .