Diagnosis System

FRONT MONITOR DIAGNOSIS SYSTEM
1. In the front 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 multi-display assembly.
  HINT:
  
  The displayed items may differ depending on vehicle specifications.
DIAGNOSIS SCREEN TRANSITION

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

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.
2. Select "Camera Setting" on the Function Check/Setting screen to display the SIGNAL CHECK screen.

SIGNAL CHECK

Fig 2: 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 "NEXT" will not change to the next screen.
CAMERA SW	No. 1 pattern select switch assembly 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 "NEXT".

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 No. 1 pattern select switch assembly 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 "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 diagnostic mode. Refer to DTC CHECK/CLEAR .