Audio And Visual System (W/O Navigation System) Illumination Circuit

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Audio Video. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK ILLUMINATION

CHECK HARNESS AND CONNECTOR (BATTERY - SPIRAL CABLE)

INSPECT STEERING PAD SWITCH ASSEMBLY (STEERING PAD SIDE)

INSPECT SPIRAL CABLE SUB-ASSEMBLE

CHECK HARNESS AND CONNECTOR (SPIRAL CABLE - RADIO RECEIVER)

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - MAIN BODY ECU)

AUDIO AND VISUAL SYSTEM (w/o Navigation System) - Illumination Circuit


DESCRIPTION

Power is supplied to the radio receiver and steering pad switch illumination when the light control switch is in the tail or head position.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Audio Video.Audio And Visual System (For Radio Receiver Type).Audio And Visual System (W/O Navigation System) Illumination Circuit


INSPECTION PROCEDURE

CAUTION:
  1. The vehicle is equipped with an SRS (Supplemental Restraint System) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the Precaution for the SRS (Click here).
  2. Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK ILLUMINATION

  1. Check if the illumination for the multi-display, steering pad switch, glove box light, cigarette lighter, or others (seat heater switch, front seat memory switch, etc.) comes on when the light control switch is turned to the head or tail position.

    Result
    Result
    		Proceed to
    Illumination comes on for all components except steering pad switch.
    		A
    Illumination comes on for all components except radio receiver.
    		B
    No illumination comes on for radio receiver, multi-display, glove box light, front seat memory switch, cigarette lighter, etc.
    		C


B
Go to step 6

C
GO TO LIGHTING SYSTEM (Click here)
A


2.CHECK HARNESS AND CONNECTOR (BATTERY - SPIRAL CABLE)
Land Cruiser. Urj200, 202 Grj200 Vdj200.Audio Video.Audio And Visual System (For Radio Receiver Type).Audio And Visual System (W/O Navigation System) Illumination Circuit

  1. Disconnect the E12 cable connector.

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    E12-12 (IL+2) - Body ground
    		Always
    		11 to 14 V
    Text in Illustration
    *1
    		Front view of wire harness connector
    (to Spiral Cable)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.INSPECT STEERING PAD SWITCH ASSEMBLY (STEERING PAD SIDE)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Audio Video.Audio And Visual System (For Radio Receiver Type).Audio And Visual System (W/O Navigation System) Illumination Circuit

  1. Disconnect the z36 switch connector.

  1. Apply battery voltage to the terminals of the connector, and check the LED illumination condition.

    OK
    Measurement Condition
    		Specified Condition
    Battery positive (+) → Terminal 5 (IL+2)
    Battery negative (-) → Terminal 8 (EAU)
    		Light illuminates


NG
REPLACE STEERING PAD SWITCH ASSEMBLY (Click here)
OK


4.INSPECT SPIRAL CABLE SUB-ASSEMBLE

Land Cruiser. Urj200, 202 Grj200 Vdj200.Audio Video.Audio And Visual System (For Radio Receiver Type).Audio And Visual System (W/O Navigation System) Illumination Circuit


Text in Illustration
*1
Vehicle Side
*2
Steering Pad Switch Side

  1. Remove the spiral cable (Click here).

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E12-12 (IL+2) - z36-5 (IL+2)
    		Spiral cable is turned 2.5 rotations counterclockwise
    		Below 1 Ω
    Spiral cable is centered
    Spiral cable is turned 2.5 rotations clockwise
    E12-4 (EAU) - z36-8 (EAU)
    		Spiral cable is turned 2.5 rotations counterclockwise
    		Below 1 Ω
    Spiral cable is centered
    Spiral cable is turned 2.5 rotations clockwise
    CAUTION:
    The spiral cable is an important part of the SRS airbag system. Incorrect removal or installation of the spiral cable may prevent the airbag from deploying. Be sure to read the Precaution for the SRS (Click here).


NG
REPLACE SPIRAL CABLE SUB-ASSEMBLY (Click here)
OK


5.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE - RADIO RECEIVER)

  1. Disconnect the F19 radio receiver connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F19-6 (SWG) - E12-4 (EAU)
    		Always
    		Below 1 Ω
    F19-6 (SWG) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

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

6.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - MAIN BODY ECU)

  1. Disconnect the F19 receiver connector.

  1. Disconnect the E2 main body ECU connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F19-20 (ADIM) - E2-16 (ACAN)
    		Always
    		Below 1 Ω
    F19-20 (ADIM) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE RADIO RECEIVER ASSEMBLY (Click here)