All Warning Lights Inoperative
NOTE:
For connector terminal identification and wiring diagrams, see
BODY CONTROL COMPUTER - INTRODUCTION article. Perform VERIFICATION TEST VER-1A
after each repair.
CAUTION:
Always turn ignition switch to OFF position prior to disconnecting any module connector.
- Turn ignition off. Disconnect information center connector. Turn ignition on. Using external voltmeter, measure voltage between ground and information center connector terminal No. 10 (Brown/Pink wire). If voltage is 10 volts or less, repair open Brown/Pink wire. If voltage is more than 10 volts, go to next step.
- Using external voltmeter, measure voltage between ground and information center connector terminal No. 12 (Pink wire) on. If voltage is 10 volts or less, repair open Pink wire. If voltage is more than 10 volts, go to next step.
- Remove ignition key. Turn off all lights and accessories. Close all doors. Using external ohmmeter, measure resistance between ground and information center connector terminal No. 3 (Black wire). If resistance is 5 ohms or more, repair open Black wire. If resistance is less than 5 ohms, replace information center.