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Symptom: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT When Monitored and Set Condition: DRIVER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLT- When Monitored: At all times when battery power is supplied to the Instrument Cluster. Set Condition: When the Instrument Cluster senses voltage to the driver door lock switch above 4.85 volts. POSSIBLE CAUSES DTC PRESENT INSTRUMENT CLUSTER - DRIVER DOOR LOCK SWITCH VOLTAGE LOW DOOR LOCK SWITCH GROUND OPEN DRIVER DOOR LOCK SWITCH MUX WIRE SHORT TO VOLTAGE INSTRUMENT CLUSTER - VOLTAGE TO HIGH DRIVER DOOR LOCK SWITCH MUX CIRCUIT OPEN DOOR LOCK SWITCH - SHORT TO VOLTAGE DOOR LOCK SWITCH OPEN TEST ACTION APPLICABILITY 1 With the DRBIII t, record and erase DTC’s. Cycle the ignition switch from ON to OFF. t, read DTC’s. Operate the door locks from the Driver Door Lock Switch while monitoring the t. Does the DRBIII t display DRV DOOR LOCK SW INPUT OPEN? All Yes → Go To 2 No → Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Check for any possible loose connections at 2 With the DRBIII t in Sensors, read the DR DOOR LOCK SW voltage. Voltage reading is:. All Above 5.2 volts Go To 3 Between 4.9 and 5.1 volts Go To 5 Below 4.8 volts Replace the Instrument Cluster. 469 POWER DOOR LOCKS/RKE |