Security Indicator Light Circuit

THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM: Security Indicator Light Circuit
- Security Indicator Light Circuit

DESCRIPTION

* When the theft deterrent system is in the disarmed state, the security indicator will flash continuously if the immobiliser system is set, or not illuminate if the immobiliser system is not set.

When the theft deterrent system is in the armed state, the immobiliser system is automatically set and the security indicator will flash continuously.

When the theft deterrent system is in the arming preparation state and alarm sounding state, the certification ECU (smart key ECU assembly) causes the security indicator to be illuminated.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (SECURITY INDICATOR)

(a) Operate the Techstream according to the steps on the display and select "Active Test".

Smart Access





OK:

Security indicator illuminates.

NG -- CHECK HARNESS AND CONNECTOR (COMBINATION METER - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] AND BODY GROUND)

OK -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) Removal

2. CHECK HARNESS AND CONNECTOR (COMBINATION METER - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] AND BODY GROUND)





(a) Disconnect the E77 meter connector.

(b) Disconnect the E29 ECU connector.

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE COMBINATION METER Removal