Door Unlock Detection Switch Circuit

LIGHTING (INT): LIGHTING SYSTEM: Door Unlock Detection Switch Circuit
- Door Unlock Detection Switch Circuit

DESCRIPTION

The main body ECU detects the condition of each door unlock detection switch.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (DOOR LOCK POSITION SWITCH)

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

Main Body





OK:

The display is as specified in the normal condition column.

Result





C -- INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH

B -- INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH

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

2. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH

(a) Remove the front door with motor lock assembly RH Removal.





Text in Illustration





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

Standard Resistance:





NG -- REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH Removal
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH - MAIN BODY ECU AND BODY GROUND)

(a) Disconnect the D7 front door with motor lock RH connector.

(b) Disconnect the C56 main body 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 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Removal

4. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH

(a) Remove the front door with motor lock assembly LH Removal.





Text in Illustration





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

Standard Resistance:





NG -- REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH Removal
OK -- Continue to next step.

5. CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH - MAIN BODY ECU AND BODY GROUND)

(a) Disconnect the E6 front door with motor lock LH connector.

(b) Disconnect the C56 main body 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 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Removal