ECU Power Source Circuit

PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM (w/ Side Monitor System): ECU Power Source Circuit
- ECU Power Source Circuit

DESCRIPTION

This circuit is the power source circuit used to operate the parking assist ECU. The parking assist ECU controls the rear view monitor system, wide view front monitor system, side monitor system and intuitive parking assist system. When a malfunction occurs in this circuit, each system will be abnormal.

HINT
* The parking assist ECU is connected to other ECUs via CAN communication or AVC-LAN communication.
* If the parking assist ECU does not operate due to a power source problem, other system DTCs may be stored due to a CAN communication interruption.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BATTERY AND BODY GROUND)

(a) Disconnect the I3 parking assist ECU connector.





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

Standard Resistance:





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

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table