9K-9 Doors Do Not Unlock W/Ign SW. In "Run" & Trans. In Park

CIRCUIT DESCRIPTION

When the transmission is shifted into "PARK," voltage is applied to the RCDLR receiver on CKT 275. When the RCDLR senses voltage on CKT 639 (ignition switch in "RUN") and voltage on CKT 275, the RCDLR applies voltage to CKT 194. The door lock relay is energized to actuate the door lock actuators and unlock all doors.

CHART TEST DESCRIPTION Number(s) below refer to circled number(s) on the diagnostic chart.

1. Isolate a power door lock system fault or keyless entry system fault.

2. Isolate a keyless entry system functional failure.

3. Checks for short to voltage on CKT 275 when transmission is in DRIVE."

4. Checks for proper operation of transmission position switch.

DIAGNOSTIC AIDS Remote RCDLR must receive voltage on CKT 639 when ignition is "ON" for auto door locks to work. Doors must be shut for normal operation of auto lock feature. (Courtesy lights "OFF.")