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Check Security Indicator Light Circuit

SECURITY INDICATOR LIGHT CIRCUIT DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK SECURITY INDICATOR LIGHT. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the harness connector of body integrated unit.
  3. Connect the resistor (100 Ω) between the body integrated unit harness connector terminal (i84) No. 33 and chassis ground.

    Connector & terminal 

    (i84) No. 33 - Chassis ground: 

 Does the security indicator light illuminate? Check the body integrated unit. < Ref. to BASIC DIAGNOSTIC PROCEDURE . > Go to step 2.
2 CHECK POWER SUPPLY FOR SECURITY INDICATOR LIGHT. 
  1. Disconnect the connector from warning box.
  2. Measure the voltage between warning box harness connector terminal and chassis ground.

    Connector & terminal 

    (i116) No. 1 (+) - Chassis ground (-): 

 Is the voltage more than 10 V? Go to step 3. Check the harness for open or short circuits between warning box and fuse.
3 CHECK SECURITY INDICATOR LIGHT CIRCUIT. 
Measure the resistance between the warning box harness connector terminal and security control unit harness connector terminal.

Connector & terminal 

(i116) No. 2 - (i84) No. 33: 

 Is the resistance less than 10 Ω? Replace the warning box. < Ref. to WARNING BOX . > Check the harness for open or short circuits between warning box and body integrated unit.
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