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

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - PARK ASSIST / MONITORING

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 ().


  • HINT:
On the [Signal Check] screen, "OK" (blue) is displayed for items with a normal inspection result and input state.
On the [Signal Check] screen, "CHK" (red) is displayed for items with an abnormal inspection result and input state.
Displayed items may differ depending on the specifications.
ItemSignal Input MethodDetailDTC Output when Abnormal Result is Displayed
CANCAN communicationSpeed signal inputDTC is output
CAMERA SWVehicle wire harnessFront and side monitor main switch signal inputDTC is not output
MIRROR SWVehicle wire harnessOuter rear view mirror retract signal inputDTC is not output
VGRSCAN communicationVGRS signal inputDTC is output
D-CAM SETVehicle wire harnessDriver side camera information signal inputDTC is not output
OTAVehicle wire harnessOff-road turn assist function information signal inputDTC is not output
DESTVehicle wire harnessDestination code signal inputDTC is not output

WIRING DIAGRAM

Side Monitor System - Chk Message(S) Are Displayed On The Signal Check Screen.. PARK ASSIST / MONITORING. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

  • NOTICE:
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 ().
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 ().
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK DISPLAY CHECK MODE
Side Monitor System - Chk Message(S) Are Displayed On The Signal Check Screen.. PARK ASSIST / MONITORING. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Check which items display "CHK" (red) on the [Signal Check] screen.

Result
ResultProceed 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 ()
A
2.INSPECT FRONT AND SIDE MONITOR MAIN SWITCH ASSEMBLY

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

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

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

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

Disconnect the F76 parking assist ECU assembly connector.

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

  • Standard Voltage:
  • Tester ConnectionSwitch ConditionSpecified Condition
    G15-6 (IG) - Body groundEngine switch on (IG)11 to 14 V
    G15-6 (IG) - Body groundEngine switch offBelow 1 V

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    F76-7 (BLSW) - G15-9(ECU)AlwaysBelow 1 Ω
    G15-9 (ECU) - Body groundAlways10 kΩ or higher
    G15-6 (IG) - Body groundAlwaysBelow 1 Ω
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE PARKING ASSIST ECU ()
4.INSPECT OUTER MIRROR SWITCH ASSEMBLY

Remove the outer mirror switch assembly ().

Inspect the outer mirror switch assembly ().

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

Disconnect the F75 parking assist ECU connector.

Disconnect the G16 outer mirror switch assembly connector.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    F75-5 (MPOS) - G16-6 (MR)AlwaysBelow 1 Ω
    F75-5 (MPOS) - Body groundAlways10 kΩ or higher
    G16-5 (E) - Body groundAlwaysBelow 1 Ω
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
6.CHECK POWER MIRROR CONTROL SYSTEM (POWER RETRACT FUNCTION)

Check the power mirror control system (power retract function) ().

  • OK:
  • Power mirror control system (power retract function) is normal.
NG
Go to POWER MIRROR CONTROL SYSTEM ()
OK
REPLACE PARKING ASSIST ECU ()