Security Indicator Light Circuit

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

DESCRIPTION

The theft warning indicator light assembly blinks continuously due to a continuous signal received from the transponder key ECU assembly while in the armed state.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
If the transponder key ECU assembly is replaced, register the key and ECU communication ID Programming and Relearning.

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (SECURITY INDICATOR)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

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

(e) According to the display on the Techstream, perform the Active Test.

Immobiliser

OK:

The security indicator turns on and off according to operation via the Techstream.

NG -- CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - THEFT WARNING INDICATOR LIGHT)

OK -- REPLACE TRANSPONDER KEY ECU ASSEMBLY Removal

2. CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - THEFT WARNING INDICATOR LIGHT)

(a) Disconnect the F54 transponder key ECU assembly connector.

(b) Disconnect the F56 theft warning indicator light assembly connector.

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

Standard Resistance:

(d) Reconnect the theft warning indicator light assembly connector.

(e) Reconnect the transponder key ECU assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (THEFT WARNING INDICATOR LIGHT ASSEMBLY - BODY GROUND)

(a) Disconnect the F56 theft warning indicator light assembly connector.

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

Standard Resistance:

Text in Illustration

(c) Reconnect the theft warning indicator light assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE THEFT WARNING INDICATOR LIGHT ASSEMBLY