Clearance Warning ECU Power Source Circuit

PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: Clearance Warning ECU Power Source Circuit

Clearance Warning ECU Power Source Circuit

DESCRIPTION

This circuit is the power source circuit to operate the clearance warning ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (ECU-IG No. 1)




(a) Remove the ECU-IG No. 1 fuse from the main body ECU.
(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(c) Install the fuse.

NG -- REPLACE FUSE
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (DRIVE MONITOR SWITCH - BATTERY AND BODY GROUND)





(a) Disconnect the J2 drive monitor switch connector.
(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





(c) Reconnect the drive monitor switch connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. INSPECT DRIVE MONITOR SWITCH





(a) Remove the drive monitor switch Removal.
(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(c) Install the drive monitor switch Installation.

NG -- REPLACE DRIVE MONITOR SWITCH
OK -- Continue to next step.

4. CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - DRIVE MONITOR SWITCH)





(a) Disconnect the H43 clearance warning ECU connector.
(b) Disconnect the J2 drive monitor switch connector.
(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(d) Reconnect the clearance warning ECU connector.
(e) Reconnect the drive monitor switch connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE