Diagnosis System

FRONT MONITOR DIAGNOSIS SYSTEM
1. In the font monitor diagnosis system, signals received by the parking assist ECU can be checked and the wide view front monitor system can be calibrated, adjusted and checked on the display and navigation module display.
  HINT:
  
  The displayed items may differ depending on vehicle specifications.
DIAGNOSIS SCREEN TRANSITION

Fig 1: Identifying Diagnosis Screen Transition
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DIAGNOSTIC MODE
1. Start diagnostic mode. Refer to DTC CHECK / CLEAR .
2. Failure diagnosis. Refer to DTC CHECK / CLEAR .
3. System check (check using system check mode screen). Refer to DTC CHECK / CLEAR .
  
  Fig 2: Identifying System Check Mode Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Finish diagnostic mode. Refer to DTC CHECK / CLEAR .

SIGNAL CHECK (parking assist ECU input signal)

Start diagnostic mode. Refer to DTC CHECK / CLEAR .
1. Select "Function Check/Setting" on the Service Menu screen to display the Function Check/Setting screen.
  
  Fig 3: Identifying Service Menu Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Select "Camera Setting" on the Function Check/Setting screen.
  
  Fig 4: Identifying Function Check/Setting Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

SIGNAL CHECK

Fig 5: Identifying Signal Check Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

On the SIGNAL CHECK screen, it is possible to inspect the state of signals sent to the parking assist ECU and check the settings.

Item	Signal Input Method	Note
SPEED	Speed signal input	When "CHK" (red) is displayed, selecting "OK" will not change to the next screen.
CAMERA SW	Front and side monitor main switch signal input
MIRROR SW	Outer rear view mirror retract signal input
SHIFT	Shift signal input

HINT:

When "CHK" (red) is displayed, perform inspections based on the result of the following inspections.
If performing the adjustment after proceeding to the next screen, confirm that all items display "OK" (blue) before selecting "OK".

SPEED inspection
HINT:

If "CHK" (red) is displayed for "SPEED", check for DTCs and perform troubleshooting based on the output DTCs. Refer to DTC CHECK / CLEAR .
CAMERA SW inspection
1. Check that "OK" (blue) is displayed for "CAMERA SW" and select "OK".
2. Check that "OK" (blue) changes to "CHK" (red). Press the front and side monitor main switch and check that "CHK" (red) returns to "OK" (blue).
  HINT:
  
  If "CHK" (red) remains displayed or the "CAMERA SW" inspection result is not normal, perform troubleshooting according to Problem Symptoms Table ("CHK" message(s) are displayed on the SIGNAL CHECK screen). Refer to DTC CHECK / CLEAR .
MIRROR SW inspection
1. Check that "OK" (blue) is displayed for "MIRROR SW" and select "OK".
2. Check that "OK" (blue) changes to "CHK" (red). Press the outer mirror switch and check that "CHK" (red) returns to "OK" (blue).
  HINT:
  
  After operating the outer mirror retract switch, if the outer mirror remains in the retracted state, return the outer mirror to the driving position. If "CHK" (red) remains displayed or the "MIRROR SW" inspection result is not normal, perform troubleshooting according to Problem Symptoms Table ("CHK" message(s) are displayed on the SIGNAL CHECK screen). Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen. .
SHIFT inspection
HINT:

If "CHK" (red) is displayed for "SHIFT", check for DTCs and perform troubleshooting based on the output DTCs. Refer to DTC CHECK / CLEAR .
Finish the diagnostic mode. Refer to DTC CHECK / CLEAR .