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Door Unlock Detection Switch Circuit





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

DESCRIPTION

The main body ECU (driver side junction block assembly) detects the condition of the door unlock detection switch.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the display on the Techstream.

Main Body

Main Body:





Result:





E -- INSPECT REAR DOOR LOCK ASSEMBLY RH

D -- INSPECT REAR DOOR LOCK ASSEMBLY LH

C -- INSPECT FRONT DOOR LOCK ASSEMBLY RH

B -- INSPECT FRONT DOOR LOCK ASSEMBLY LH

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

2. INSPECT FRONT DOOR LOCK ASSEMBLY LH

(a) Remove the front door lock assembly LH Components.





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

Standard Resistance:





Text in Illustration

Text in Illustration:





NG -- REPLACE FRONT DOOR LOCK ASSEMBLY LH Components
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR LOCK ASSEMBLY LH)

(a) Disconnect the I7 front door lock assembly LH connector.





(b) Disconnect D50 main body ECU (driver side junction block assembly) connector.

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

Standard Resistance:





Text in Illustration

Text in Illustration:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Components

4. INSPECT FRONT DOOR LOCK ASSEMBLY RH

(a) Remove the front door lock assembly RH Components.





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

Standard Resistance:





Text in Illustration

Text in Illustration:





NG -- REPLACE FRONT DOOR LOCK ASSEMBLY RH Components
OK -- Continue to next step.

5. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR LOCK ASSEMBLY RH)

(a) Disconnect the H7 front door lock assembly RH connector.





(b) Disconnect the D49 main body ECU (driver side junction block assembly) connector.

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

Standard Resistance:





Text in Illustration

Text in Illustration:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Components

6. INSPECT REAR DOOR LOCK ASSEMBLY LH

(a) Remove the rear door lock assembly LH Components.





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

Standard Resistance:





Text in Illustration

Text in Illustration:





NG -- REPLACE REAR DOOR LOCK ASSEMBLY LH Components
OK -- Continue to next step.

7. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR LOCK ASSEMBLY LH)

(a) Disconnect the K3 rear door lock assembly LH connector.





(b) Disconnect the 2O main body ECU (driver side junction block assembly) connector.

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

Standard Resistance:





Text in Illustration

Text in Illustration:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Components

8. INSPECT REAR DOOR LOCK ASSEMBLY RH

(a) Remove the rear door lock assembly RH Components.





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

Standard Resistance:





Text in Illustration

Text in Illustration:





NG -- REPLACE REAR DOOR LOCK ASSEMBLY RH Components
OK -- Continue to next step.

9. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR LOCK ASSEMBLY RH)

(a) Disconnect the J3 rear door lock assembly RH connector.





(b) Disconnect the 2F main body ECU (driver side junction block assembly) connector.

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

Standard Resistance:





Text in Illustration

Text in Illustration:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Components