Multi-Terrain Monitor System Chk Message(S) Are Displayed On The Signal Check Screen.

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DISPLAY CHECK MODE

INSPECT MAIN SWITCH ASSEMBLY (MULTI-TERRAIN MONITOR MAIN SWITCH)

CHECK HARNESS AND CONNECTOR (MAIN SWITCH ASSEMBLY [MULTI-TERRAIN MONITOR MAIN SWITCH] - PARKING ASSIST ECU AND BATTERY)

MULTI-TERRAIN MONITOR SYSTEM - "CHK" message(s) are displayed on the SIGNAL CHECK screen.


DESCRIPTION

On the SIGNAL CHECK screen, it is possible to check if the signals sent to the parking assist ECU are normal (Click here).
HINT:
  1. On the SIGNAL CHECK screen, "OK" (blue) is displayed for items with a normal inspection result or input state.
  2. On the SIGNAL CHECK screen, "CHK" (red) is displayed for items with an abnormal inspection result or input state.
  3. Displayed items may differ depending on vehicle specifications.

Item
Signal Input Method
Detail
DTC Output when Abnormal Result is Displayed
Signal Receiver
CAN
CAN communication
CAN communication signal
DTC is not output
Related ECUs
CAM CAN
CAN communication
CAN communication signal
DTC is output
  1. Front television camera assembly
  2. Rear television camera assembly
  3. Side television camera assembly LH
  4. Side television camera assembly RH
CAMERA SW
Vehicle wire harness
Main switch assembly (multi-terrain monitor main switch) signal
DTC is not output
Main switch assembly (multi-terrain monitor main switch)
VGRS
CAN communication
VGRS information signal
DTC is output
Steering control ECU

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Multi-Terrain Monitor System Chk Message(S) Are Displayed On The Signal Check Screen.


INSPECTION PROCEDURE

NOTICE:
  1. When "!" mark is displayed on the multi-display assembly after the battery cable is disconnected, correct the steering angle neutral point (Click here).
  2. Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the multi-terrain monitor system may be needed (Click here).
  3. Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK DISPLAY CHECK MODE


    Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. Check which items display on the SIGNAL CHECK screen.

    Result
    Result
    		Proceed to
    "CAMERA SW" displays "CHK" (red)
    		A
    "CAN" or "VGRS" displays "CHK" (red) (for LHD with Central Gateway ECU)
    		B
    "CAN" or "VGRS" displays "CHK" (red) (for RHD with Central Gateway ECU)
    		C
    "CAM CAN" displays "CHK" (red)
    		D


B
GO TO CAN COMMUNICATION SYSTEM (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (Click here)

D
GO TO DTC CHART (Click here)
A


2.INSPECT MAIN SWITCH ASSEMBLY (MULTI-TERRAIN MONITOR MAIN SWITCH)

  1. Remove the main switch assembly (multi-terrain monitor main switch) (Click here).

  1. Inspect the main switch assembly (multi-terrain monitor main switch) (Click here).



NG
REPLACE MAIN SWITCH ASSEMBLY (MULTI-TERRAIN MONITOR MAIN SWITCH) (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (MAIN SWITCH ASSEMBLY [MULTI-TERRAIN MONITOR MAIN SWITCH] - PARKING ASSIST ECU AND BATTERY)

  1. Disconnect the E138 main switch assembly (multi-terrain monitor main switch) connector.

  1. Disconnect the F76 parking assist ECU connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E138-7 (ECU) - F76-7 (BLSW)
    		Always
    		Below 1 Ω
    E138-7 (ECU) or F76-7 (BLSW) - Body ground
    		Always
    		10 kΩ or higher

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    E138-1 (IG) - Body ground
    		Engine switch on (IG)
    		11 to 14 V
    E138-1 (IG) - Body ground
    		Engine switch off
    		Below 1 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE PARKING ASSIST ECU (Click here)