Component Testing
DRIVER'S DOOR KEY CYLINDER SWITCHThe driver's door lock key switch will lock or unlock the all the doors electrically.
In the LOCK position cavity C of the switch should have continuity to cavity B and to ground.
In the UNLOCK position cavity C of the switch should be open to cavity B and to ground.
In the UNLOCK position cavity A of the switch should have continuity to cavity B and to ground.
In the LOCK position Cavity A of the switch should be open to cavity B and to ground.
Cavity B of the switch should have continuity to ground at all times.
INTERIOR DOOR LOCK SWITCHES
In the LOCK position cavity A of the switch should have continuity to cavity B and to ground.
In the UNLOCK position cavity A of the switch should be open to cavity B and to ground.
In the UNLOCK position cavity C of the switch should have continuity to cavity B and to ground.
In the LOCK position cavity C of the switch should be open to cavity B and to ground.
Cavity B of the switch should have continuity to ground at all times.
DOOR LOCK RELAYS
The door lock relays are not individually replaceable.
In the LOCK position the following readings should appear at the pins of the door lock relays:
Pin A Battery Voltage
Pin B Battery Voltage
Pin C Ground
Pin D Battery Voltage
Pin E Ground
Pin F Ground
In the UNLOCK position the following readings should appear at the pins of the door lock relays:
Pin A Ground
Pin B Ground
Pin C Ground
Pin D Battery Voltage
Pin E Battery Voltage
Pin F Battery Voltage
Check for OPENS/SHORTS.
Repair as needed.
If this component is good go to the next item indicated on the Symptom Chart.
DOOR LOCK MOTORS
Check the connections at the motors.
Check for OPENS/SHORTS.
Repair as needed.
If this component is good go to the next item indicated on the Symptom Chart.