ENGINE IMMOBILISER SYSTEM(w/ 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

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.

      Entry&Start

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

      OK
      Security indicator illuminates.

   
   

   OK

   REPLACE CERTIFICATION ECU

   NG

2. INSPECT TELLTALE LIGHT ASSEMBLY

   
   
   1. 

      Text in Illustration

      *1	Component without harness connected (Telltale Light Assembly)

      Remove the telltale light assembly Click here.

   2. Connect the positive (+) lead from the battery to terminal 10 and the negative (-) lead to terminal 11, and then check that security indicator illuminates.

      OK
      Security indicator illuminates.

   
   

   NG

   REPLACE TELLTALE LIGHT ASSEMBLY Click here

   OK

3. CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT ASSEMBLY - CERTIFICATION ECU AND BODY GROUND)

   

   Text in Illustration

   *1	Front view of wire harness connector (to Telltale Light Assembly)
   *2	Front view of wire harness connector (to Certification ECU)

   
   

   1. Disconnect the D135 light connector.

   2. Disconnect the D54 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition D135-10 (LP) - D54-2 (IND) Always Below 1 Ω D135-11 (E) - Body ground Always Below 1 Ω D135-10 (LP) or D54-2 (IND) - Body ground Always 10 kΩ or higher

   
   

   OK

   REPLACE CERTIFICATION ECU

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR