Back Door Courtesy Switch Circuit

LIGHTING (INT): LIGHTING SYSTEM: Back Door Courtesy Switch Circuit
- Back Door Courtesy Switch Circuit

DESCRIPTION

The multiplex network door ECU receives a back door open/closed signal from the back door lock.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (BACK DOOR COURTESY LIGHT SWITCH)

(a) Using the Techstream, read the Data List Interior Lighting System.

Back Door





OK:

Tester display changes according to opening and closing of back door.

NG -- INSPECT BACK DOOR LOCK ASSEMBLY (BACK DOOR COURTESY LIGHT SWITCH)

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Interior Lighting System

2. INSPECT BACK DOOR LOCK ASSEMBLY (BACK DOOR COURTESY LIGHT SWITCH)

(a) Remove the back door lock Removal.





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

Standard Resistance:





Text in Illustration





NG -- REPLACE BACK DOOR LOCK ASSEMBLY Removal
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - MULTIPLEX NETWORK DOOR ECU)

(a) Disconnect the W8 back door lock connector.

(b) Disconnect the W10 multiplex network door ECU connector.

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MULTIPLEX NETWORK DOOR ECU