Side 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 FRONT AND SIDE MONITOR MAIN SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (FRONT AND SIDE MONITOR MAIN SWITCH ASSEMBLY - PARKING ASSIST ECU, BATTERY AND BODY GROUND)

INSPECT OUTER MIRROR SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH ASSEMBLY - PARKING ASSIST ECU)

CHECK POWER MIRROR CONTROL SYSTEM (POWER RETRACT FUNCTION)

SIDE 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 state of signals sent to the parking assist ECU is normal (Click here).
HINT:
  1. On the [Signal Check] screen, "OK" (blue) is displayed for items with a normal inspection result and input state.
  2. On the [Signal Check] screen, "CHK" (red) is displayed for items with an abnormal inspection result and input state.
  3. Displayed items may differ depending on the specifications.

Item
Signal Input Method
Detail
DTC Output when Abnormal Result is Displayed
CAN
CAN communication
Speed signal input
DTC is output
CAMERA SW
Vehicle wire harness
Front and side monitor main switch signal input
DTC is not output
MIRROR SW
Vehicle wire harness
Outer rear view mirror retract signal input
DTC is not output
VGRS
CAN communication
VGRS signal input
DTC is output
D-CAM SET
Vehicle wire harness
Driver side camera information signal input
DTC is not output
OTA
Vehicle wire harness
Off-road turn assist function information signal input
DTC is not output
DEST
Vehicle wire harness
Destination code signal input
DTC is not output

WIRING DIAGRAM


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


INSPECTION PROCEDURE

NOTICE:
  1. When "System initializing" is displayed on the display and navigation module display after the cable is disconnected from the negative (-) battery terminal, 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 side 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 "CHK" (red) on the [Signal Check] screen.

    Result
    Result
    		Proceed to
    "CAMERA SW" and "WFS SET" displays "CHK" (red).
    		A
    "MIRROR SW" displays "CHK" (red).
    		B
    "VGRS" displays "CHK" (red).
    		C
    "CAN" displays "CHK" (red).
    		D


B
Go to step 4

C
CHECK DTC OUTPUT (Click here)
A


2.INSPECT FRONT AND SIDE MONITOR MAIN SWITCH ASSEMBLY

  1. Remove the front and side monitor main switch assembly (Click here).

  1. Inspect the front and side monitor main switch assembly (Click here).



NG
REPLACE FRONT AND SIDE MONITOR MAIN SWITCH ASSEMBLY (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (FRONT AND SIDE MONITOR MAIN SWITCH ASSEMBLY - PARKING ASSIST ECU, BATTERY AND BODY GROUND)

  1. Disconnect the G15 front and side monitor main switch assembly connector.

  1. Disconnect the F76 parking assist ECU assembly connector.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    G15-6 (IG) - Body ground
    		Engine switch on (IG)
    		11 to 14 V
    G15-6 (IG) - Body ground
    		Engine switch off
    		Below 1 V

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F76-7 (BLSW) - G15-9(ECU)
    		Always
    		Below 1 Ω
    G15-9 (ECU) - Body ground
    		Always
    		10 kΩ or higher
    G15-6 (IG) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE PARKING ASSIST ECU (Click here)

4.INSPECT OUTER MIRROR SWITCH ASSEMBLY

  1. Remove the outer mirror switch assembly (Click here).

  1. Inspect the outer mirror switch assembly (Click here).



NG
REPLACE OUTER MIRROR SWITCH ASSEMBLY (Click here)
OK


5.CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH ASSEMBLY - PARKING ASSIST ECU)

  1. Disconnect the F75 parking assist ECU connector.

  1. Disconnect the G16 outer mirror switch assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F75-5 (MPOS) - G16-6 (MR)
    		Always
    		Below 1 Ω
    F75-5 (MPOS) - Body ground
    		Always
    		10 kΩ or higher
    G16-5 (E) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


6.CHECK POWER MIRROR CONTROL SYSTEM (POWER RETRACT FUNCTION)

  1. Check the power mirror control system (power retract function) (Click here).

    OK:
    Power mirror control system (power retract function) is normal.


NG
Go to POWER MIRROR CONTROL SYSTEM (Click here)
OK

REPLACE PARKING ASSIST ECU (Click here)