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Check Hazard Light Operation

CHECK HAZARD LIGHT OPERATION

Step Check Yes No
1 CHECK SECURITY CONTROL UNIT OUTPUT SIGNAL. 
  1. Remove the key from the ignition switch.
  2. Open the driver's window, and then close all doors and rear gate.
  3. Lock all doors with the keyless transmitter or door lock switch to arm the security system.
  4. Unlock all doors with the door lock switch.
  5. Measure the voltage between the security control unit harness connector terminal and chassis ground when any door is open.

Connector & terminal 
(B93) No. 10 (+) - Chassis ground (-): 		 Is the voltage 1 - 4 V? Go to step 2  . Replace the security control unit.
2 CHECK HARNESS BETWEEN SECURITY CONTROL UNIT AND KEYLESS ENTRY CONTROL UNIT. 
  1. Disconnect the security control unit harness connector and keyless entry control unit harness connector.
  2. Measure the resistance between the security control unit harness connector terminal and keyless entry control unit harness connector terminal.

Connector & terminal 
(B93) No. 10 - (B176) No. 3: 		 Is the resistance less than 10 ? Check the hazard light output of keyless entry control unit. < Ref. to CHECK HAZARD LIGHT OPERATION , INSPECTION, Keyless Entry System. > Check the harness for open circuit and shorts between the security control unit and keyless entry control unit.
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