Security Indicator Light Circuit (from 12/2010)

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM: Security Indicator Light Circuit
- Security Indicator Light Circuit

DESCRIPTION

When the transponder key is registered, the transponder key ECU assembly outputs the key registration condition by lighting up, blinking or turning off the security indicator.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body / Immobiliser or Main Body / Active Test.

(e) Perform the Active Test according to the display on the tester.

Immobiliser (Transponder Key ECU Assembly)





Main Body (Multiplex Network Body ECU)





Result:





C -- GO TO THEFT DETERRENT SYSTEM Security Indicator Light Circuit (from 12/2010)

B -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
A -- Continue to next step.

2. INSPECT TRANSPONDER KEY ECU ASSEMBLY (SECURITY INDICATOR LIGHT SIGNAL)

(a) Disconnect the D59 air conditioning control assembly connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





NG -- CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - AIR CONDITIONING CONTROL ASSEMBLY)
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING CONTROL ASSEMBLY - BODY GROUND)

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





Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE AIR CONDITIONING CONTROL ASSEMBLY Removal (from 12/2010)

4. CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - AIR CONDITIONING CONTROL ASSEMBLY)

(a) Disconnect the D33 transponder key ECU assembly connector.





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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE TRANSPONDER KEY ECU ASSEMBLY