Lighting System Back-Up Light Circuit

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FUSE (BK/UP LP FUSE)

CHECK VEHICLE TYPE

INSPECT PARK/NEUTRAL POSITION SWITCH

CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - BATTERY)

CHECK VEHICLE TYPE

CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - BACK-UP LIGHT AND BODY GROUND)

CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - REAR LIGHT AND BODY GROUND)

INSPECT BACK-UP LIGHT SWITCH

CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH - BATTERY)

CHECK VEHICLE TYPE

CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH - BACK-UP LIGHT AND BODY GROUND)

CHECK HARNESS OR CONNECTOR (BACK-UP LIGHT SWITCH - REAR LIGHT AND BODY GROUND)

LIGHTING SYSTEM - Back-up Light Circuit


DESCRIPTION

The park/neutral position switch turns on when the shift lever is moved to R, causing the back-up lights to illuminate.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Back-Up Light Circuit


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Back-Up Light Circuit


INSPECTION PROCEDURE

1.INSPECT FUSE (BK/UP LP FUSE)

  1. Remove the BK/UP LP fuse from the main body ECU.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    BK/UP LP fuse
    		Always
    		Below 1 Ω


NG
REPLACE FUSE
OK


2.CHECK VEHICLE TYPE

  1. Check the vehicle type.

    Result
    Result
    		Proceed to
    for Automatic Transmission
    		A
    for Manual Transmission
    		B


B
Go to step 8
A


3.INSPECT PARK/NEUTRAL POSITION SWITCH

  1. Inspect the park/neutral position switch.

    1. for AE80F Automatic Transmission: Click here
    2. for A750F Automatic Transmission: Click here
    3. for AB60F Automatic Transmission: Click here
Result
Result
Proceed to
OK
A
NG (for A750F Automatic Transmission)
B
NG (for AB60F Automatic Transmission)
C
NG (for AE80F Automatic Transmission)
D


B
REPLACE PARK/NEUTRAL POSITION SWITCH (Click here)

C
REPLACE PARK/NEUTRAL POSITION SWITCH (Click here)

D
REPLACE PARK/NEUTRAL POSITION SWITCH (Click here)
A


4.CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - BATTERY)
Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Back-Up Light Circuit

  1. Disconnect the C24 park/neutral position switch connector.

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

    Standard Voltage:
    except 3UR-FE
    Tester Connection
    		Switch Condition
    		Specified Condition
    C24-2 (RB) - Body ground
    		Ignition switch ON
    		11 to 14 V
    for 3UR-FE
    Tester Connection
    		Switch Condition
    		Specified Condition
    C24-1 (RB) - Body ground
    		Ignition switch ON
    		11 to 14 V
    Text in Illustration
    *A
    		except 3UR-FE
    *B
    		for 3UR-FE
    *a
    		Front view of wire harness connector
    (to Mass Air Flow Meter)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


5.CHECK 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 7
A


6.CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - BACK-UP LIGHT AND BODY GROUND)

  1. Disconnect the C24 park/neutral position switch connector.

  1. for LH:

    1. Disconnect the O8 light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C24-1 (RL) - O8-2
      		Always
      		Below 1 Ω
      O8-1 - Body ground
      O8-2 - Body ground
      		Always
      		10 kΩ or higher

  1. for RH:

    1. Disconnect the O7 light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C24-1 (RL) - O7-2
      		Always
      		Below 1 Ω
      O7-1 - Body ground
      O7-2 - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

7.CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - REAR LIGHT AND BODY GROUND)

  1. Disconnect the C24 park/neutral position switch connector.

  1. for LH:

    1. Disconnect the S34 light connector.

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

      Standard Resistance:
      except 3UR-FE
      Tester Connection
      		Condition
      		Specified Condition
      C24-1 (RL) - S34-3 (B)
      		Always
      		Below 1 Ω
      S34-4 (E) - Body ground
      S34-3 (B) - Body ground
      		Always
      		10 kΩ or higher
      for 3UR-FE
      Tester Connection
      		Condition
      		Specified Condition
      C24-2 (RL) - S34-3 (B)
      		Always
      		Below 1 Ω
      S34-4 (E) - Body ground
      S34-3 (B) - Body ground
      		Always
      		10 kΩ or higher

  1. for RH:

    1. Disconnect the S35 light connector.

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

      Standard Resistance:
      except 3UR-FE
      Tester Connection
      		Condition
      		Specified Condition
      C24-1 (RL) - S35-3 (B)
      		Always
      		Below 1 Ω
      S35-4 (E) - Body ground
      S35-3 (B) - Body ground
      		Always
      		10 kΩ or higher
      for 3UR-FE
      Tester Connection
      		Condition
      		Specified Condition
      C24-2 (RL) - S35-3 (B)
      		Always
      		Below 1 Ω
      S35-4 (E) - Body ground
      S35-3 (B) - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

8.INSPECT BACK-UP LIGHT SWITCH

  1. Inspect the back-up light switch (Click here).



NG
REPLACE BACK-UP LIGHT SWITCH ASSEMBLY (Click here)
OK


9.CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH - BATTERY)

  1. Disconnect the C39 back-up light switch connector.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    C39-2 - Body ground
    		Ignition switch ON
    		11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


10.CHECK 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 12
A


Go to step 7

11.CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH - BACK-UP LIGHT AND BODY GROUND)

  1. Disconnect the C39 back-up light switch connector.

  1. for LH:

    1. Disconnect the O8 light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C39-1 - O8-2
      		Always
      		Below 1 Ω
      O8-1 - Body ground
      O8-2 - Body ground
      		Always
      		10 kΩ or higher

  1. for RH:

    1. Disconnect the O7 light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C39-1 - O7-2
      		Always
      		Below 1 Ω
      O7-1 - Body ground
      O7-2 - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

12.CHECK HARNESS OR CONNECTOR (BACK-UP LIGHT SWITCH - REAR LIGHT AND BODY GROUND)

  1. Disconnect the C39 back-up light switch connector.

  1. for LH:

    1. Disconnect the S34 light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C39-1 - S34-3 (B)
      		Always
      		Below 1 Ω
      S34-4 (E) - Body ground
      S34-3 (B) - Body ground
      		Always
      		10 kΩ or higher

  1. for RH:

    1. Disconnect the S35 light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C39-1 - S35-3 (B)
      		Always
      		Below 1 Ω
      S35-4 (E) - Body ground
      S35-3 (B) - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)