All Doors Will Not Lock Using Transmitter

NOTE: It may be necessary to press transmitter LOCK button several times. Voltage pulse appears for only milliseconds.

Using voltmeter, backprobe BCM 20-pin connector, terminals No. 10 (Orange/Black wire), 11 (Orange/White wire), 12 (Orange/Tan wire) and 13 (Orange/Brown wire) while pressing transmitter LOCK button. See Figure . If there is no voltage pulse at any terminal, replace BCM. See BODY CONTROL MODULE (BCM) under REMOVAL & INSTALLATION. If voltage pulse is present at all terminals, repair suspect circuit between appropriate BCM terminal and suspect door lock motor. See WIRING DIAGRAMS .