Instrument Panel, Gauges and Warning Indicators: Service Precautions

Do not use a test light to diagnose the instrument cluster electrical systems unless specifically instructed by diagnostic procedures. Use the connector test adapter kit J 35616-A. When diagnostic procedure require probing of connectors. Refer to Special Tools.

The instrument cluster will withstand normal current draws associated with vehicle operations. Avoid overloading any circuit. When testing for opens or shorts, do not ground or apply voltage to the instrument cluster circuits unless instructed to do so. These circuits may only be tested using a Digital Multimeter (DMM) J 39200 or equivalent. Electrical circuits should be tested with a DMM J 39200 while the Instrument Panel Cluster (IPC) connector remains connected to the instrument cluster or the recommended breakout box. Never remove or apply voltage to the instrument cluster with the key in the RUN position. Before removing or connecting battery cables, fuses or connectors always turn the key to the LOCK position. Whenever a instrument cluster removal and replacement is performed, follow the removal and replacement instructions.

IMPORTANT: After a repair is made, it must be checked by operating the vehicle within the limits shown in conditions for setting the DTC, part of the DTC procedure.

Operating the vehicle using the limits shown in the conditions for setting the DTC will check if the repair was made correctly.