FixVault

Door Unlock Sensor Check

  1. Measure voltage by backprobing between appropriate SECU terminals and ground. See DOOR UNLOCK SENSOR VOLTAGE CHECK  table. If voltages are not as specified, go to next step. If voltages are as specified, door unlock sensor is okay.
  2. Perform appropriate door unlock sensor test. See SENSOR TESTS  under COMPONENT TESTS. If sensor is okay, check unlock sensor ground circuit (Black wire) and/or Purple wire (front passenger door) or Light Green/Red wire (front driver door) for open or short between SECU and door unlock sensor.
DOOR UNLOCK SENSOR VOLTAGE CHECK

Terminal No. (1) Condition Volts
(36) Left Front Door
Unlocked 0
Locked About 5
(37) Right Front Door
Unlocked 0
Locked About 5
(1) See Figure and Figure for terminal location.