Fail Safe

Description

When a DTC is detected, ECM executes a mode (in the Fail-safe mode) applicable to the DTC. The fail-safe mode has the preset traveling control mode (accelerator angle variation and engine output limit), device fix mode and combustion control mode.

Fail safe mode

Vehicle behavior

Fail safe pattern

Traveling control mode

Accelerator angle variation control

ECM controls the accelerator pedal depression speed to make it slower than actual speed. This causes a drop in accelerating performance and encourages the driver to repair malfunction.

note	ECM does not control the accelerator pedal releasing speed.

Engine output control

ECM reduces the engine output, according to the rise in engine speed. This reduces the vehicle speed to encourage the driver to repair malfunction.

Driving at 70 km/h (44 MPH) or more is possible.

note	This value is a reference value converted from engine power to vehicle speed. Actual power limitation value differs due to the malfunctioning part and driving condition.

ECM reduces the engine output, according to the rise in engine speed. This reduces the vehicle speed to encourage the driver to repair malfunction.

Driving at 40 km/h (25 MPH) or more is possible.

note	This value is a reference value converted from engine power to vehicle speed. Actual power limitation value differs due to the malfunctioning part and driving condition.

Device fix mode

This mode fixes the electric IVT motor and the EVT control solenoid valve in the reference position.
The intake manifold runner control valve motor is turned OFF (intake manifold runner control valve opens).
A control signals is not transmitted to EGR volume control valve and the EGR volume control is deactivated.

Combustion control mode

Stratified charge combustion control at starting

No stratified charge combustion at starting (cold start).

Idle speed control

Stops feedback control of idle speed and controls with specified speed.

Recovery speed control at decelerating

Stops recovery speed control by the fuel cut at decelerating and controls with specified speed.

Idle neutral control

Stops idle neutral control.

Ignition timing correction control

Partially controls ignition timing control.

Retardation control

Controls ignition timing delay control in the intermediate water temperature range.

Electric throttle control cancel mode

ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.

Fail Safe List

×:Applicable —: Not applicable

DTC No.	Detected items	Vehicle behavior
		Pattern								Others
		A	B	C	D	E	F	G	H	Others
C053C	Vehicle Speed Sensor	×	—	—	—	×	—	—	—	—
P0010	Electric VTC Controller Circuit	—	—	—	×	×	×	—	—	—
P0011 P0012 P0014 P0015	Intake/Exhaust VVT	—	—	—	×	—	—	—	—	—
P0078 P0079 P0080	EXHAUST INTERMIDIATE POSITION LOCK SOLENOID	—	—	—	×	—	—	—	—	—
P0087 P0088	Pressure Regulator System	×	—	—	×	×	—	—	—	—
P0101 P0102 P0103	Air flow meter	×	×	—	×	×	—	×	—	—
P0101 P0102 P0103	Air flow meter	—	×	—	×	—	—	×	—	—
P0117 P0118	Engine Coolant Temperature Sensor	—	—	—	—	—	×	—	—	—
P0122 P0123	Throttle Valve Position Sensor "2"	—	—	—	×	—	—	—	—	—
P0171 P0172	Fuel Trim	×	—	—	—	—	×	—	—	—
P0191	Fuel Pressure Sensor	×	—	—	—	×	—	—	—	—
P0192 P0193	Fuel Rail Pressure Sensor	×	—	—	—	×	—	—	—	—
P0201 P0202 P0203 P0204 P0261 P0262 P0264 P0265 P0267 P0268 P0270 P0271	Injector(GDI)	×	—	—	×	×	—	—	—	—
P0222 P0223	Throttle Valve Position Sensor "1"	—	—	—	×	—	—	—	—	—
P0300 P0301 P0302 P0303 P0304	Misfire monitoring	×	—	—	—	—	×	—	—	—
P0335	Crank Position Sensor	—	—	—	×	—	—	—	—	—
P0340	Intake Cam Position Sensor Bank1	—	—	—	×	—	—	—	—	—
P0365	Exhaust Cam Position Sensor Bank1	—	—	—	×	—	—	—	—	—
P0401	Exhaust Gas Recirculation Flow	—	—	—	×	—	—	—	—	—
P0402	Exhaust Gas Recirculation Flow	—	—	—	×	—	—	—	—	—
P0404	Exhaust Gas Recirculation Flow	×	—	—	×	—	×	—	—	—
P044A	Exhaust Gas Recirculation (Valve Position) Sensor	×	—	—	×	—	—	—	—	—
P044B P044C P044D	Exhaust Gas Recirculation Position Sensor	×	—	—	×	—	—	—	—	—
P044E	Exhaust Gas Recirculation (Valve Position) Sensor	×	—	—	×	—	—	—	—	—
P0500	Vehicle Speed Sensor	×	—	—	—	—	×	—	—	—
P0501	Vehicle Speed Sensor	×	—	—	—	×	—	—	—	—
P052A P052B P054A P054B	Intake/Exhaust VVT	—	—	—	×	—	—	—	—	—
P0604 P0605 P060B P060C P061B	ECM	—	—	—	×	—	—	—	×	—
P062B		×	—	—	×	×	—	—	—	—
P062D		×	—	—	×	×	—	—	—	—
P0641	Sensor power supply	—	—	—	×	×	×	—	—	—
P10C8 P10C9 P10CA P10CB	Injector(GDI)	×	—	—	×	×	—	—	—	—
P1197	Pressure Regulator System	—	—	—	×	—	—	—	—	—
P119A P119B P119C P119D P119E	Fuel Pressure Sensor	×	—	—	—	×	—	—	—	—
P2004	Intake Manifold Runner Control Valve	—	×	—	×	×	—	—	—	—
P2008 P2009 P2010	Intake Manifold Runner Control Valve	—	×	—	×	—	—	×	—	—
P2014 P2015 P2016 P2017 P2018	Intake Manifold Runner Control Valve Position Sensor	—	—	—	×	—	—	—	—	—
P2101	Throttle Actuator Control Motor	—	—	—	×	—	—	—	×	—
P2119	Throttle Actuator Control Motor	—	×	—	×	—	—	—	×	—
P2121 P2126 P2138	Accelerator Pedal Position	×	×	×	×	—	—	—	—	—
P2122 P2123	Accelerator Pedal Position "1"	×	×	×	×	—	—	—	—	—
P2127 P2128	Accelerator Pedal Position "2"	×	×	×	×	—	—	—	—	—
P2135	Throttle Position Sensor	—	—	—	×	—	—	—	—	—
P2159	Vehicle Speed Sensor	×	—	—	—	×	—	—	—	—
P2227	BUILT-IN ATMOSPHERE PRESSURE SENSOR	—	×	—	×	—	—	—	—	—
P2413	Exhaust Gas Recirculation Flow	×	—	—	×	—	—	—	—	—
P2614	Electric VTC Controller Circuit	—	—	—	×	×	×	—	—	—
P2615	Electric VTC Controller Circuit	—	—	—	×	×	×	—	—	—
P2616 P2617 P2618		—	—	—	×	×	—	—	—	—
P2619		—	—	—	×	—	×	—	—	—
P34AC P34AD P34AE P34AF	Electric VTC Actuator	—	—	—	×	×	—	—	—	—
P34C8	Electric VTC module	—	—	—	×	×	×	—	—	—
U0122	CAN communication line	×	—	—	—	×	—	—	—	—
U012E U042F	CAN communication line	—	—	—	×	×	×	—	—	—