Back Door Courtesy Switch Circuit

PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM: Back Door Courtesy Switch Circuit

Back Door Courtesy Switch Circuit

DESCRIPTION

The television camera ECU receives a back door open/close signal from the back door courtesy light switch assembly.
If the back door is open when the shift lever is in the R position, CAUTION is displayed on the display to inform the driver.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT BACK DOOR COURTESY LIGHT SWITCH ASSEMBLY





(a) Disconnect the B6 connector from the television camera ECU.
(b) Remove the back door courtesy light switch assembly.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE BACK DOOR COURTESY LIGHT SWITCH ASSEMBLY
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (BACK DOOR COURTESY LIGHT SWITCH - TELEVISION CAMERA ECU)





(a) Install the back door courtesy light switch assembly.
(b) Reconnect the B6 connector.
(c) Disconnect the T23 connector from the television camera ECU.
(d) 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