ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System) Security Indicator Light Circuit

DESCRIPTION

• When the theft deterrent system is in the disarmed state, the security indicator flashes continuously if the immobiliser system is set, but does not illuminate if the immobiliser system is not set.

WIRING DIAGRAM

*1	Upper Console Panel Sub-assembly (Security Indicator Light)
*2	Transponder Key ECU

CAUTION / NOTICE / HINT

PROCEDURE

1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SECURITY INDICATOR)

   
   

   1. Check that the security indicator light illuminates when operating it with the Active Test.

      Immobiliser

      Tester Display	Test Part	Control Range	Diagnostic Note
      Security Indicator	Security indicator	ON / OFF	-

      OK
      Security indicator illuminates.

   
   

   OK

   REPLACE TRANSPONDER KEY ECU

   NG

2. INSPECT UPPER CONSOLE PANEL SUB-ASSEMBLY (SECURITY INDICATOR LIGHT)

   
   
   1. 

      Text in Illustration

      *a	Component without harness connected (Upper Console Panel Sub-assembly (Security Indicator Light))

      Remove the upper console panel sub-assembly (security indicator light) Click here.

   2. Connect the positive (+) lead from the battery to terminal 8 and the negative (-) lead to terminal 9, and then check that security indicator illuminates.

      OK
      Security indicator illuminates.

   
   

   NG

   REPLACE UPPER CONSOLE PANEL SUB-ASSEMBLY (SECURITY INDICATOR LIGHT) Click here

   OK

3. CHECK HARNESS AND CONNECTOR (UPPER CONSOLE PANEL SUB-ASSEMBLY - TRANSPONDER KEY ECU AND BODY GROUND)

   
   

   1. Disconnect the D141 upper console panel sub-assembly (security indicator light) connector.

   2. Disconnect the D102 transponder Key ECU connector.

   3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition D141-8 (LP) - D102-8 (IND) Always Below 1 Ω D141-9 (E) - Body ground Always Below 1 Ω D141-8 (LP) or D102-8 (IND) - Body ground Always 10 kΩ or higher

   
   

   OK

   REPLACE TRANSPONDER KEY ECU

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR