Security Indicator Light Does not Blink

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: Security Indicator Light Does not Blink
- Security Indicator Light Does not Blink

DESCRIPTION

The security indicator light blinks continuously due to a continuous signal received from the certification ECU (smart key ECU assembly) while the engine immobiliser is set.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* If the certification ECU (smart key ECU assembly) is replaced, register all the keys and ECU communication ID Engine Immobilizer System.*1
* If the certification ECU (smart key ECU assembly) is replaced, register all the keys Engine Immobilizer System.*2
* *1: except Canada
* *2: for Canada

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

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

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

Smart Key (Certification ECU (Smart Key ECU Assembly))





OK:

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

NG -- INSPECT COMBINATION METER ASSEMBLY

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

2. INSPECT COMBINATION METER ASSEMBLY

(a) Disconnect the combination meter assembly connector.

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





Standard:





Text in Illustration





NG -- CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - COMBINATION METER ASSEMBLY)
OK -- Continue to next step.

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

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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE NO. 3 METER CIRCUIT PLATE Removal

4. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - COMBINATION METER ASSEMBLY)

(a) Disconnect the certification ECU (smart key ECU assembly) connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

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