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. CHECK 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:






NG -- REPLACE FUSE
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (MONITOR SWITCH - BATTERY)




(a) Disconnect the L2 switch connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






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:






NG -- REPLACE DRIVE MONITOR SWITCH
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (ECU - MONITOR SWITCH AND BODY GROUND)




(a) Disconnect the J35 ECU connector.
(b) Disconnect the L2 switch connector.
(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