Pinpoint Test Ag: The Speed Sign Recognition RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Speed Sign Recognition RTT Indicator. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the traffic sign recognition status request message is missing for less than 5 seconds, the IPC defaults the speed limit sign display to its last indication state (on or off), based upon the last message received.
If the traffic sign recognition status request message is missing for 5 seconds or longer, the IPC defaults the speed limit sign display off.
Possible Sources
- Communication concern
- IPMA concern
- GWM
- IPC
- AG1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Monitor the battery state of charge gauge display.
Does the battery state of charge gauge display in the message center?
Yes GO to AG2 No GO to Pinpoint Test A - AG2 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Ignition ON.
- 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 AG3 - AG3 PERFORM THE IPMA (IMAGE PROCESSING MODULE A) SELF-TEST
- Using a diagnostic scan tool, perform the IPMA self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the Master DTC Chart. No GO to AG4 - AG4 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 front camera. REFER to: Lane Keeping System .