Problem Symptoms Table

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 the 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.
Inspect the fuses and relays related to this system before inspecting the suspected area below.

NOTE:

The following inspection procedure of the rear view monitor system is described on the assumption that the navigation system is normal. If navigation system has any malfunction, first proceed with troubleshooting of the navigation system.

GENERAL

Symptom	Suspected Area	See
When the shift lever is in R, the rear view monitor image is not displayed (screen is not black).	CAN communication system	Refer to HOW TO PROCEED WITH TROUBLESHOOTING
	Navigation system (CHECK VEHICLE SIGNAL)	Refer to OPERATION CHECK
	ECU power source circuit	Refer to ECU Power Source Circuit
	Display and navigation module display	Refer to REMOVAL
	Parking assist ECU	Refer to REMOVAL
When the shift lever is in R, the rear view monitor image is not displayed (screen is black).	Image from camera for rear view monitor system is abnormal	Refer to Image from Camera for Rear View Monitor is Abnormal
	Display and navigation module display	Refer to REMOVAL
	Parking assist ECU	Refer to REMOVAL
When the shift lever is not in R, the rear view monitor image is displayed.	CAN communication system	Refer to HOW TO PROCEED WITH TROUBLESHOOTING
	Display and navigation module display	Refer to REMOVAL
	Parking assist ECU	Refer to REMOVAL

DISPLAY MALFUNCTION

Symptom	Suspected Area	See
Image from camera for the rear view monitor is abnormal (side monitor system is normal).	Image from camera for rear view monitor system is abnormal	Refer to Image from Camera for Rear View Monitor is Abnormal
	Parking assist ECU	Refer to REMOVAL
Image from camera for the rear view monitor is abnormal (side monitor system is also abnormal).	Images from all cameras are abnormal	Refer to Images from All Cameras are Abnormal
	Parking assist ECU	Refer to REMOVAL

REAR VIEW MONITOR SYSTEM MALFUNCTION

Symptom	Suspected Area	See
"CHK" message(s) are displayed on the SIGNAL CHECK screen.	"CHK" message(s) are displayed on the SIGNAL CHECK screen	Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen.