FixVault

Check Hazard Light Operation

DIAGNOSTIC PROCEDURE CHART

Step Check Yes No
1 CHECK HAZARD LIGHT OPERATION. 
Make sure the hazard light blinks when hazard switch is turned to ON.
Does the hazard light blink? Go to step 2.  Check the hazard light circuit.
2 CHECK OUTPUT SIGNAL. 
  1. Remove the key from ignition switch.
  2. Close all the doors and the rear gate.
  3. Measure the voltage between the keyless entry control module harness connector terminal and the chassis ground when the LOCK/ARM buttons of the keyless transmitter are pressed.

    Connector & terminal 

    (B176) No. 1, No. 13 (+) - Chassis ground (-): 

Is the voltage more than 10 V? Check the harness for open circuits or shorts between the keyless entry control module and the turn signal light. Replace the keyless entry control module.