6-14 ENGINE DIAGNOSIS (RHZ ENGINE WITH SINGLE-CONNECTOR ECM)
FAIL-SAFE TABLE
When any of the following DTCs is detected, ECM (PCM) 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.
TROUBLE AREA FAIL SAFE OPERATION
P0190
(P0190)
Fuel pressure sensor Each control is performed based on 150 MPa (1500 bar) fuel
pressure.
P0560
(P0560)
Battery voltage Each control is performed based on 7 volts.
P0121
(P0120)
Throttle position sensor Each control is performed based on 5% throttle valve opening.
P0221
(P0220)
P0115
(P0115)
Engine coolant temp
sensor
Each control is performed based on 111_C with engine run (–10_C
with engine stopped).
P0180 Fuel temp. sensor Each control is performed based on 90_C.
P0110 Intake air temp. sensor
(in mass air flow)
Each control is performed based on 50_C.
P0235
(P0235)
Intake air pressure
sensor
Each control is performed based on the value measured by
barometric pressure sensor (in ECM). If barometric pressure sensor
fails, 900 mbar is used as intake air pressure.
P1101
(P0105)
Barometric pressure
sensor (in ECM)
Each control is performed based on the value measured by intake air
pressure sensor. If intake air pressure sensor is failed, 900 mbar is
used as barometric pressure.
P0100
(P0100)
Mass air flow sensor Each control uses the value calculated by barometric pressure and
engine speed.
P0101
(P100)
Mass air flow sensor Each control is performed based on 1000 mg/stroke.
P0500
(P0500)
Vehicle speed sensor Each control is performed based on 20 km/h.
NOTE:
For ( ) marked No. in DTC column, it is indicated when generic scan tool is used.
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