Lighting System Door Courtesy Switch Circuit

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Lighting (Ext). Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (DOOR COURTESY LIGHT SWITCH)

CHECK DOOR COURTESY LIGHT SWITCH

INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH

CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH])

INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH

CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH])

INSPECT REAR DOOR COURTESY LIGHT SWITCH LH

CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH])

INSPECT REAR DOOR COURTESY LIGHT SWITCH RH

CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH])

INSPECT VEHICLE TYPE

INSPECT BACK DOOR WITH MOTOR LOCK ASSEMBLY

CHECK HARNESS AND CONNECTOR (BACK DOOR WITH MOTOR LOCK ASSEMBLY - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH] AND BODY GROUND)

INSPECT BACK DOOR LOCK ASSEMBLY

CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH] AND BODY GROUND)

LIGHTING SYSTEM - Door Courtesy Switch Circuit


DESCRIPTION

The main body ECU receives a door open/closed signal from each door courtesy light switch.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Door Courtesy Switch Circuit


INSPECTION PROCEDURE

1.READ VALUE USING INTELLIGENT TESTER (DOOR COURTESY LIGHT SWITCH)

  1. Using the intelligent tester, read the Data List (Click here).

    Main Body
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    D Door Courtesy SW
    		Front door courtesy light switch LH signal / ON or OFF
    		ON: Front door courtesy light switch LH on
    OFF: Front door courtesy light switch LH off
    		-
    P Door Courtesy SW
    		Front door courtesy light switch RH signal / ON or OFF
    		ON: Front door courtesy light switch RH on
    OFF: Front door courtesy light switch RH off
    		-
    RL Door Courtesy SW
    		Rear door courtesy light switch LH signal / ON or OFF
    		ON: Rear door courtesy light switch LH on
    OFF: Rear door courtesy light switch LH off
    		-
    RR Door Courtesy SW
    		Rear door courtesy light switch RH signal / ON or OFF
    		ON: Rear door courtesy light switch RH on
    OFF: Rear door courtesy light switch RH off
    		-
    Back Door Courtesy SW
    		Back door courtesy light switch signal / ON or OFF
    		ON: Back door courtesy light switch on
    OFF: Back door courtesy light switch off
    		-
    OK:
    Door courtesy light switch on/off


NG
Go to step 2
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

2.CHECK DOOR COURTESY LIGHT SWITCH

Result
Result
Proceed to
Front door courtesy light switch LH does not operate
A
Front door courtesy light switch RH does not operate
B
Rear door courtesy light switch LH does not operate
C
Rear door courtesy light switch RH does not operate
D
Back door courtesy light switch does not operate
E


B
Go to step 5

C
Go to step 7

D
Go to step 9

E
Go to step 11
A


3.INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH

  1. Remove the front door courtesy light switch LH (Click here).

  1. Inspect the front door courtesy light switch LH (Click here).



NG
REPLACE FRONT DOOR COURTESY LIGHT SWITCH LH (Click here)
OK


4.CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH])

  1. Disconnect the K2 front door courtesy light switch LH connector.

  1. for LHD:

    1. Disconnect the E1 main body ECU connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      K2-1 - E1-24 (DCTY)
      		Always
      		Below 1 Ω
      K2-1 - Body ground
      		Always
      		10 kΩ or higher

  1. for RHD:

    1. Disconnect the E2 main body ECU connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      K2-1 - E2-21 (PCTY)
      		Always
      		Below 1 Ω
      K2-1 - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

5.INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH

  1. Remove the front door courtesy light switch RH (Click here).

  1. Inspect the front door courtesy light switch RH (Click here).



NG
REPLACE FRONT DOOR COURTESY LIGHT SWITCH RH (Click here)
OK


6.CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH])

  1. Disconnect the L1 front door courtesy light switch RH switch connector.

  1. for LHD:

    1. Disconnect the E2 main body ECU connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      L1-1 - E2-21 (PCTY)
      		Always
      		Below 1 Ω
      L1-1 - Body ground
      		Always
      		10 kΩ or higher

  1. for RHD:

    1. Disconnect the E1 main body ECU connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      L1-1 - E1-24 (DCTY)
      		Always
      		Below 1 Ω
      L1-1 - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

7.INSPECT REAR DOOR COURTESY LIGHT SWITCH LH

  1. Remove the rear door courtesy light switch LH (Click here).

  1. Inspect the rear door courtesy light switch LH (Click here).



NG
REPLACE REAR DOOR COURTESY LIGHT SWITCH LH (Click here)
OK


8.CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH])

  1. Disconnect the 2C main body ECU connector.

  1. Disconnect the K3 rear door courtesy light switch LH connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    K3-1 - 2C-2 (LCTY)
    		Always
    		Below 1 Ω
    K3-1 - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

9.INSPECT REAR DOOR COURTESY LIGHT SWITCH RH

  1. Remove the rear door courtesy light switch RH (Click here).

  1. Inspect the rear door courtesy light switch RH (Click here).



NG
REPLACE REAR DOOR COURTESY LIGHT SWITCH RH (Click here)
OK


10.CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH])

  1. Disconnect the L2 rear door courtesy light switch RH connector.

  1. except Double Swing Out Type:

    1. Disconnect the E2 main body ECU connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      L2-1 - E2-7 (RCTY)
      		Always
      		Below 1 Ω
      L2-1 - Body ground
      		Always
      		10 kΩ or higher

  1. for Double Swing Out Type:

    1. Disconnect the E1 main body ECU connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      L2-1 - E1-17 (RCTY)
      		Always
      		Below 1 Ω
      L2-1 - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

11.INSPECT VEHICLE TYPE

  1. Check the vehicle type.

    Result
    Result
    		Proceed to
    for Double Swing Out Type
    		A
    except Double Swing Out Type
    		B


B
Go to step 14
A


12.INSPECT BACK DOOR WITH MOTOR LOCK ASSEMBLY

  1. Remove the back door with motor lock assembly (Click here).

  1. Inspect the back door with motor lock assembly (Click here).



NG
REPLACE BACK DOOR WITH MOTOR LOCK ASSEMBLY (Click here)
OK


13.CHECK HARNESS AND CONNECTOR (BACK DOOR WITH MOTOR LOCK ASSEMBLY - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH] AND BODY GROUND)

  1. Disconnect E2 main body ECU connector.

  1. Disconnect W3 back door with motor lock connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    W3-2 (+) - E2-25 (BCTY)
    		Always
    		Below 1 Ω
    W3-1 (E) - Body ground
    W3-2 (+) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

14.INSPECT BACK DOOR LOCK ASSEMBLY

  1. Remove the back door lock (Click here).

  1. Inspect the back door lock (Click here).



NG
REPLACE BACK DOOR LOCK ASSEMBLY (Click here)
OK


15.CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - MAIN BODY ECU [COWL SIDE JUNCTION BLOCK LH] AND BODY GROUND)

  1. Disconnect the E2 main body ECU connector.

  1. w/o Power Back Door:

    1. Disconnect the S1 back door lock connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      S1-3 (+) - E2-25 (BCTY)
      		Always
      		Below 1 Ω
      S1-1 (ACT-) - Body ground
      S1-3 (+) - Body ground
      		Always
      		10 kΩ or higher

  1. w/ Power Back Door:

    1. Disconnect the S22 back door lock connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      S22-3 (CTY) - E2-25 (BCTY)
      		Always
      		Below 1 Ω
      S22-4 (E) - Body ground
      S22-3 (CTY) - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)