DESCRIPTION
On the SIGNAL CHECK screen, it is possible to check if the signals sent to the parking assist ECU are normal Click here.
Tech Tips
On the SIGNAL CHECK screen, "OK" (blue) is displayed for items with a normal inspection result or input state.
On the SIGNAL CHECK screen, "CHK" (red) is displayed for items with an abnormal inspection result or input state.
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 |
|
| 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
CAUTION / NOTICE / HINT
Note
When "!" mark is displayed on the multi-display after the battery cable is disconnected, correct the steering angle neutral point Click here.
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.
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
CHECK DISPLAY CHECK MODE
Check which items display on the SIGNAL CHECK screen.
| 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 |
|
INSPECT MAIN SWITCH ASSEMBLY (MULTI-TERRAIN MONITOR MAIN SWITCH)
Remove the main switch assembly (multi-terrain monitor main switch) Click here.
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 |
|
CHECK HARNESS AND CONNECTOR (MAIN SWITCH ASSEMBLY [MULTI-TERRAIN MONITOR MAIN SWITCH] - PARKING ASSIST ECU AND BATTERY)
Disconnect the E97 main switch assembly (multi-terrain monitor main switch) connector.
Disconnect the F75 parking assist ECU connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| OK |
|
REPLACE PARKING ASSIST ECU Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |