Diagnosis System [01/2012 - ]

WIDE VIEW FRONT MONITOR SYSTEM
1. For wide view front monitor system diagnosis, signals received by the parking assist ECU can be checked and the wide view front monitor system can be calibrated, adjusted and checked using the multi-display assembly.
  NOTE:
  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 wide view front monitor system may be needed. Refer to CALIBRATION [01/2012 - ] .
  
  HINT:
  
  The displayed screens and items may differ depending on vehicle specifications.
DIAGNOSIS SCREEN TRANSITION (during parking assist ECU initialization)

Fig 1: Diagnosis Screen Transition (During Parking Assist ECU Initialization) (1 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Diagnosis Screen Transition (During Parking Assist ECU Initialization) (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DIAGNOSIS SCREEN TRANSITION (after parking assist ECU initialization)

Fig 3: Diagnosis Screen Transition (After Parking Assist ECU Initialization) (1 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Diagnosis Screen Transition (After Parking Assist ECU Initialization) (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DIAGNOSTIC MODE
1. Start diagnostic mode. Refer to DTC CHECK / CLEAR [01/2012 - ] .
2. Failure diagnosis. Refer to DTC CHECK / CLEAR [01/2012 - ] .
3. System check (check using system check mode screen). Refer to DTC CHECK / CLEAR [01/2012 - ] .
  
  Fig 5: System Check Mode Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Finish diagnostic mode. Refer to DTC CHECK / CLEAR [01/2012 - ] .

SIGNAL CHECK (parking assist ECU input signal)

Start diagnostic mode. Refer to DTC CHECK / CLEAR [01/2012 - ] .

Select "Function Check/Setting" on the [Service Menu screen] to display the Function Check/Setting screen.

Fig 6: Identifying "Function Check/Setting" On [Service Menu] Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Select "Camera Setting" on the [Function Check/Setting] screen.

Fig 7: Identifying "Camera Setting" On [Function Check/Setting] Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

After "Camera Setting" is selected, the screen transitions differ depending on whether initialization of the parking assist ECU was performed after parking assist ECU replacement.

Parking Assist ECU Initialization	Screen Transition
Not performed	[Signal Check] screen
Performed	[Mode Setting] screen

When the screen changes to the [Mode Setting] screen, select "Back Camera Setting" to display the [Signal Check] screen.
HINT:

To select a grayed out item, select and hold the item for 2 seconds or more.

Fig 8: Identifying "Steering Angle Setting" On [Mode Setting] Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Signal Check:

Fig 9: Identifying "Next" On [Signal Check] Screen

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	Inspection Detail	Note
CAN	Speed signal input	When "CHK" (red) is displayed, selecting "Next" 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
VGRS*	VGRS signal input
D-CAM SET	Driver side camera information signal input	-
OTA	Off-road turn assist function information input	-
DEST	Destination code signal input	-

*: w/ Variable Gear Ratio Steering System

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".

CAN inspection:
HINT:

If "CHK" (red) is displayed for "CAN", check for DTCs and perform troubleshooting based on the output DTCs. Refer to DIAGNOSTIC TROUBLE CODE CHART [01/2012 - ] .
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 (steering pad 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. .
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.
VGRS inspection (w/ Variable Gear Ratio Steering System):
HINT:

If "CHK" (red) is displayed for "VGRS", check for DTCs and perform troubleshooting based on the output DTCs. Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen. .
D-CAM SET inspection:
1. Check that "WITH" (blue) is displayed for "D-CAM SET".
OTA inspection:
1. Check that displayed for "OTA" is matched off-road turn assist function for vehicles.
DEST inspection:
1. Check that displayed for "DEST" is matched destination code for vehicles.
Finish diagnostic mode. Refer to DTC CHECK / CLEAR [01/2012 - ] .

CALIBRATION WHEN SERVICING VEHICLE
NOTE:
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 wide view front monitor system may be needed. Refer to CALIBRATION [01/2012 - ] .