Courtesy Lights Inoperative From All Doors & Courtesy Light Switch
NOTE:
Perform INTERIOR LIGHT TEST 3A before proceeding with this test. For connector terminal identification and wiring diagrams, see
BODY CONTROL COMPUTER - INTRODUCTION. Perform VERIFICATION TEST: VER-2A after each repair.
CAUTION:
Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
Remove BCM. Using external voltmeter, measure voltage between ground and terminal No. 2 (courtesy light driver circuit) on junction block internal 20-pin connector. If voltage is 10 volts or less, repair or replace junction block. If voltage is greater than 10 volts, replace BCM.