Engine General Information and Diagnosis: 1A-36
Fail-Safe Table
S5JB0A1104006
When any of the following DTCs is detected, ECM enters fail-safe mode as long as malfunction continues to exist but
that mode is canceled when ECM detects normal condition after that.
DTC No.
Detected item
Fail-safe operation
)
P0030
HO2S heater control circuit (Sensor-1)
ECM stops air/fuel ratio control.
)
P0031
HO2S heater control circuit low (Sensor-1)
)
P0032
HO2S heater control circuit high (Sensor-1)
)
P0102
Mass air flow circuit low input
• ECM controls injector drive time (fuel injection
volume) according to throttle valve opening
(closed throttle position or not).
• ECM stops EGR control.
)
P0103
Mass air flow circuit high input
)
P0112
Intake air temperature sensor circuit low
ECM controls actuators assuming that intake air
temperature is 20
°
C (68
°
F).
)
P0113
Intake air temperature sensor circuit high
)
P0117
Engine coolant temperature circuit low
• ECM controls actuators assuming that engine
coolant temperature is 80
°
C (176
°
F).
• ECM operates radiator cooling fan.
)
P0118
Engine coolant temperature circuit high
)
P0122
Throttle position sensor (main) circuit low
• ECM turns off throttle actuator control relay and
throttle valve is fixed at the opening of about 7°
from its completely closed position (default
opening).
• ECM controls fuel cut at specified engine speed.
• ECM stops air/fuel ratio control.
)
P0123
Throttle position sensor (main) circuit high
• ECM turns off throttle actuator control relay and
throttle valve is fixed at the opening of about 7°
from its completely closed position (default
opening).
• ECM controls fuel cut at specified engine speed.
• ECM stops air/fuel ratio control.
)
P0131
O2 sensor (HO2S) circuit low voltage (Sensor-1)
ECM stops air/fuel ratio control.
)
P0132
O2 sensor (HO2S) circuit high voltage (Sensor-1)
)
P0134
O2 sensor (HO2S) circuit no activity detected
(Sensor-1)
)
P0222
Throttle position sensor (sub) circuit low
• ECM turns off throttle actuator control relay and
throttle valve is fixed at the opening of about 7°
from its completely closed position (default
opening).
• ECM controls fuel cut at specified engine speed.
)
P0223
Throttle position sensor (sub) circuit high
)
P0335
Crankshaft position sensor circuit
Ignition timing is fixed.
)
P0500
Vehicle speed sensor
ECM controls actuators assuming that vehicle
speed is 0 km/h (0 mile/h).
)
P2101
Throttle actuator control motor circuit range /
performance
• ECM turns off throttle actuator control relay and
throttle valve is fixed at the opening of about 7
°
from its completely closed position (default
opening).
• ECM controls fuel cut at specified engine speed.
)
P2102
Throttle actuator control motor circuit low
)
P2103
Throttle actuator control motor circuit high
ECM controls fuel cut at specified engine speed.
)
P2111
Throttle actuator control system – stuck open
• Throttle valve is fixed at the opening of about 7
°
from its completely closed position (default
opening).
• ECM controls fuel cut at specified engine speed.
)
P2119
Throttle actuator control throttle body range /
performance
• ECM turns off throttle actuator control relay and
throttle valve is fixed at the opening of about 7
°
from its completely closed position (default
opening).
• ECM controls fuel cut at specified engine speed.
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