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Certification ECU Power Source Circuit





DOOR LOCK: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: Certification ECU Power Source Circuit
- Certification ECU Power Source Circuit

DESCRIPTION

This is the power source circuit of the certification ECU.

The certification ECU controls the following:

* Electrical key verification confirmation

* Cabin and door oscillator control

* Entry door LOCK/UNLOCK request to the main body ECU

* Steering LOCK/UNLOCK request

* Immobiliser SET/UNSET request to the ID code box

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

(a) Disconnect the E13 certification ECU connector.





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

Standard voltage:





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

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

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