Parking Assist Monitor System

PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: ECU Power Source Circuit
- ECU Power Source Circuit

DESCRIPTION

This circuit is the power source circuit to operate the parking assist ECU. The parking assist ECU controls the parking assist monitor system. When a malfunction occurs in this circuit, the 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, a navigation system DTC may be stored due to an AVC-LAN communication interruption.
* 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 - AUXILIARY BATTERY AND BODY GROUND)

(a) Disconnect the H9 connector from the parking assist ECU.

(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:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

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