Problem Symptoms Table

WARNING: This page is about a different car, the 2013 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

GENERAL

Symptom	Suspected Area	See
When the front and side monitor main switch on, the front monitor image is not displayed (screen is not black).	Proceed to ["CHK" Message(s) are Displayed on the SIGNAL CHECK Screen]	Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen.
	Data List/Active Test - AISIC Output Status	Refer to DATA LIST / ACTIVE TEST
	GVIF cable	-
	Parking assist ECU	Refer to REMOVAL
	Multi-display assembly	Refer to REMOVAL
When the front and side monitor main switch on, the front monitor image is not displayed (screen is black).	Proceed to [Image from Camera for Wide View Front Monitor is Abnormal]	Refer to Image from Camera for Wide View Front Monitor is Abnormal
	Multi-display assembly	Refer to REMOVAL
When the front and side monitor main switch off, the front monitor image is displayed.	Proceed to ["CHK" Message(s) are Displayed on the SIGNAL CHECK Screen]	Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen.
	Multi-display assembly	Refer to REMOVAL
When auto-display mode is not set, display does not change from displayed screen even though operating wide view front and side monitor switch while within display permission vehicle speed (approximately 12 km/h [7 mph] or less)	Proceed to "CHK" message(s) are displayed on the SIGNAL CHECK screen	Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen.
	Multi-display assembly	Refer to REMOVAL

DISPLAY MALFUNCTION

Symptom	Suspected Area	See
Image from camera for the parking assist monitor is abnormal (side monitor system is also abnormal).	Data List/Active Test - AISIC Output Status	Refer to DATA LIST / ACTIVE TEST
	GVIF cable	-
	Parking assist ECU	Refer to REMOVAL
	Multi-media module receiver assembly	Refer to REMOVAL
Image from camera for the Wide View Front Monitor is Abnormal (Other monitor system is normal).	Proceed to [Image from Camera for Wide View Front Monitor is Abnormal]	Refer to Image from Camera for Wide View Front Monitor is Abnormal
	Multi-media module receiver assembly	Refer to REMOVAL

WIDE VIEW FRONT MONITOR SYSTEM MALFUNCTION

Symptom	Suspected Area	See
"CHK" message(s) are displayed on the [Signal Check] screen.	Proceed to ["CHK" Message(s) are Displayed on the SIGNAL CHECK Screen]	Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen.