Diagnosis Circuit

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM: Diagnosis Circuit
- Diagnosis Circuit

DESCRIPTION

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

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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

(a) Disconnect the J26 ECU 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 - BATTERY AND BODY GROUND)

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





Standard resistance:





Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Engine Immobiliser System