Security Indicator Light Circuit

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/o Smart Key System): Security Indicator Light Circuit
- Security Indicator Light Circuit

DESCRIPTION

The security indicator light 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 Engine Immobiliser System (W/O Smart Key System).

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(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) Perform the Active Test according to the display on the Techstream.

Immobiliser (Transponder Key ECU Assembly)

Immobiliser (Transponder Key ECU Assembly):

OK:

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

NG -- CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - ACCESSORY METER)

OK -- REPLACE TRANSPONDER KEY ECU ASSEMBLY Removal

2. CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - ACCESSORY METER)

(a) Disconnect the transponder key ECU assembly connector.

(b) Disconnect the accessory meter assembly connector.

Text in Illustration

Text in Illustration:

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

3. CHECK HARNESS AND CONNECTOR (ACCESSORY METER - BODY GROUND)

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

Standard Resistance:

Text in Illustration

Text in Illustration:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE ACCESSORY METER ASSEMBLY Removal