Instrument Cluster / Carrier: Testing and Inspection: Diagnosis and Testing

Instrument Cluster DTC Table:

NS vehicle instrument clusters are equipped with a self diagnostic test feature to help identify electronic problems. Prior to any test, perform Self Diagnostic Test. The self diagnostic system monitors the CCD bus messages. If an electronic problem occurs, a Diagnostic Trouble Code (DTC) will be displayed in the odometer window of the cluster.

The following CCD bus messages are continuously monitored by the diagnostic system:
- Body Control Module
- Powertrain Control Module
- Transmission Control Module, if equipped

Instrument Cluster DTC Table:

To activate self diagnostic program:
1. With the ignition switch in the OFF position, depress the TRIP and RESET buttons.
2. While holding the TRIP and RESET button turn the ignition switch to the ON position.
3. Continue to hold the TRIP and RESET buttons until the word CODE appears in the odometer windows (about five seconds) then release the buttons. If a problem exists, the system will display Diagnostic Trouble Codes (DTC's). If no problem exists, the code 999 (End Test) will momentarily appear.