Problem Symptoms Table [10/2013 - ]

WARNING: This page is about a different variant/trim than selected.

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

PRE-COLLISION SYSTEM

Symptom	Suspected Area	See
"CHECK PCS SYSTEM" is displayed	Combination meter	Refer to REMOVAL [10/2013 - ]
	Seat belt control ECU	Refer to REMOVAL [10/2013 - ]
	Driving support ECU	Refer to REMOVAL [10/2013 - ]
"PCS NOT CURRENTLY AVAILABLE" is displayed	System determines wave radar sensor cannot detect obstacles due to bad weather. If weather recovers, normal control returns. (Bad weather history can be checked using Data List.)	Refer to SYSTEM DESCRIPTION [10/2013 - ]
	Overheating protection fail-safe of seat belt control ECU operates. If ECU temperature drops, normal control returns.	-
	Millimeter wave radar sensor	Refer to REMOVAL [10/2013 - ]
	Seat belt control ECU	Refer to REMOVAL [10/2013 - ]
	Driving support ECU	Refer to REMOVAL [10/2013 - ]
Although there is possibility of collision, pre-collision control (all front collision controls) do not operate ("PCS NOT CURRENTLY AVAILABLE" is not displayed)	Vehicle condition/environment does not match pre-collision control operation conditions (Confirm control operation conditions)	Refer to SYSTEM DESCRIPTION [10/2013 - ]
	Check installation condition of millimeter wave radar sensor	Refer to INSTALLATION [10/2013 - ]
	Perform millimeter wave radar sensor adjustment	Refer to ADJUSTMENT [10/2013 - ]
	Millimeter wave radar sensor	Refer to REMOVAL [10/2013 - ]
	Seat belt control ECU	Refer to REMOVAL [10/2013 - ]
	Driving support ECU	Refer to REMOVAL [10/2013 - ]
Although there is no possibility of collision, pre-collision control (all front collision controls) operates	Vehicle condition/environment does not match pre-collision control operation conditions (Confirm control operation conditions)	Refer to SYSTEM DESCRIPTION [10/2013 - ]
	Check installation condition of millimeter wave radar sensor	Refer to INSTALLATION [10/2013 - ]
	Perform millimeter wave radar sensor adjustment	Refer to ADJUSTMENT [10/2013 - ]
	Millimeter wave radar sensor	Refer to REMOVAL [10/2013 - ]
	Seat belt control ECU	Refer to REMOVAL [10/2013 - ]
	Driving support ECU	Refer to REMOVAL [10/2013 - ]
Neither normal system code nor DTC is output	Power source circuit	Refer to Power Source Circuit [10/2013 - ]
	Seat belt control ECU	Refer to REMOVAL [10/2013 - ]
	Driving support ECU	Refer to REMOVAL [10/2013 - ]
System does not operate normally even when normal system code is output and DTCs are not output	Power source circuit	Refer to Power Source Circuit [10/2013 - ]
	Seat belt control ECU	Refer to REMOVAL [10/2013 - ]
	Driving support ECU	Refer to REMOVAL [10/2013 - ]
Only pre-collision seat belt does not operate	Buckle switch error (malfunction in which DTC is not output)	-
Only pre-collision seat belt does not operate	Seat belt control ECU	Refer to REMOVAL [10/2013 - ]
Only pre-collision brake does not operate	Pre-collision system cancel switch	Refer to INSPECTION [10/2013 - ]
	Pre-collision system cancel switch circuit	Refer to Pre-Collision Brake Cancel Switch Circuit [10/2013 - ]
	Driving support ECU	Refer to REMOVAL [10/2013 - ]