Suzuki GRAND VITARA JB416, Service Manual

Page: 38 / 474

1A-20 Engine General Information and Diagnosis:
)
U
*P0037
HO2S heater control circuit low
(Sensor-2)
HO2S-2 circuit voltage is lower than specification for more
than specified time continuously even though control duty
ratio of HO2S-2 heater is less than specification.
2 driving
cycles
)
U
*P0038
HO2S heater control circuit high
(Sensor-2)
HO2S-2 circuit voltage is higher than specification for
more than specified time continuously even though
control duty ratio of HO2S-2 heater is more than
specification.
2 driving
cycles
)
U
*P0101
Mass air flow circuit range/
performance MAF sensor volume is more than specification or less
than specification. 2 driving
cycles
)
*P0102 Mass air flow circuit low input Output voltage of MAF sensor is less than specification.
1 driving
cycle
)
*P0103 Mass air flow circuit high input Output voltage of MAF sensor is more than specification.
1 driving
cycle
)
U
*P0106
Manifold absolute pressure
circuit range/performance
Difference between Max. manifold absolute pressure
value and Min. manifold pressure value is less than
specification or difference between barometric pressure
value and manifold pressure value is less than
specification
2 driving
cycles
)
*P0107
Manifold absolute pressure
circuit low input
Output voltage of MAP sensor is less than specification.
1 driving
cycle
)
*P0108
Manifold absolute pressure
circuit high input
Output voltage of MAP sensor is more than specification.
1 driving
cycle
)
U
*P0111
Intake air temperature sensor
circuit range/performance Variation of intake air temperature from engine start is
less than specification. 2 driving
cycles
)
*P0112
Intake air temperature sensor
circuit low
Circuit voltage of IAT sensor is less than specification.
1 driving
cycle
)
*P0113
Intake air temperature sensor
circuit high
Circuit voltage of IAT sensor is more than specification.
1 driving
cycle
)
U
*P0116
Engine coolant temperature
circuit range/performance Engine coolant temperature is less than specified
temperature for specified time from engine start. 2 driving
cycles
)
*P0117
Engine coolant temperature
circuit low
Circuit voltage of ECT sensor is less than specification.
1 driving
cycle
)
*P0118
Engine coolant temperature
circuit high
Circuit voltage of ECT sensor is more than specification.
1 driving
cycle
)
*P0122
Throttle position sensor (main)
circuit low Output voltage of throttle position sensor (main) is lower
than specification. 1 driving
cycle
)
*P0123
Throttle position sensor (main)
circuit high Output voltage of throttle position sensor (main) is higher
than specification. 1 driving
cycle
)
U
*P0131
O2 sensor (HO2S) circuit low
voltage (Sensor-1) Output voltage or sensor current of A/F sensor is less
than specification. 2 driving
cycles
)
U
*P0132
O2 sensor (HO2S) circuit high
voltage (Sensor-1) Output voltage or sensor current of A/F sensor is more
than specification. 2 driving
cycles
)
U
*P0133
O2 sensor (HO2S) circuit slow
response (Sensor-1)
Ratio between integrated value of A/F sensor output
variation and integrated value of short term fuel trim
variation is more than specification.
2 driving
cycles
)
U
*P0134
O2 sensor (HO2S) circuit no
activity detected (Sensor-1)
Impedance of A/F sensor element is higher than
specification for more than 160 sec. even though A/F
sensor heater is turned ON for more than specified time.
2 driving
cycles
)
U
*P0137
O2 sensor (HO2S) circuit low
voltage (Sensor-2)
HO2S-2 voltage is lower than 0.4 V for more than
specified time continuously while vehicle is driving with
high engine load (high speed). And HO2S-2 max. voltage
minus HO2S-2 min. voltage is less than 0.2 V for specified
time continuously.
2 driving
cycles
)
U
*P0138
O2 sensor (HO2S) circuit high
voltage (Sensor-2)
HO2S-2 voltage is higher than 0.85 V for more than
specified time continuously while vehicle is driving with
high engine load (high speed). And HO2S-2 max. voltage
minus HO2S-2 min. voltage is less than 0.2 V for specified
time continuously.
2 driving
cycles
DTC No. Detecting item
Detecting condition
(DTC will set when detecting:)
MIL