Diagnosis Circuit

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: Diagnosis Circuit
- Diagnosis Circuit

DESCRIPTION

This circuit is used to read the DTCs that are output from the transponder key ECU assembly with the Techstream.

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. CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - DLC3)

(a) Disconnect the 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 -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (DLC3 - 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 TRANSPONDER KEY ECU ASSEMBLY Removal