DTC 31: Key Reminder On/Off Signal
WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- Select DTC 31, remove and reinsert ignition key. If LCD indicates ON, go to next step. If LCD indicates OFF, remove instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Using a DVOM, measure voltage at instrument cluster connector No. 2, terminal 2J. See Figure . If battery voltage is present, replace instrument cluster. If battery voltage is not present, check key reminder switch and wiring harness. See WIRING DIAGRAMS . Repair or replace as necessary. Retest system.
- Remove ignition key from steering lock. If LCD indicates ON, measure voltage at instrument cluster connector No. 2, terminal 2J. See Figure . If no voltage is present, replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. If voltage is present, check key reminder switch and wiring harness. See WIRING DIAGRAMS . Repair or replace as necessary. Retest system. If LCD indicates OFF, input signal to instrument cluster is okay.