Diagnostic Trouble Code (Dtc) Table - Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual

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6-22 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES)

Diagnostic Trouble Code (DTC) Table

DTC
DETECTING ITEM
NO.
P0100
(No.34) Mass air flow circuit mal-
P0100
function
(No.33)
P0110
(No.25) Intake air temp. circuit mal-
P0110
function
(No.23)
P0115
(No.15) Engine coolant temp. cir-
P0115
cuit malfunction
(No.14)
P0120
(No.22) Throttle position circuit mal-
P0120
function
(No.21)
Throttle position circuit per-
P0121
formance problem
HO2S circuit malfunction
P0130
(Sensor-1)
HO2S circuit slow response
P0133
(Sensor-1)
P1034
HO2S-1 no activity detected
(No.13)
HO2S heater circuit mal-
P0135
function (Sensor-1)
HO2S circuit malfunction
P0136
(Sensor-2)
HO2S heater circuit mal-
P0141
function (Sensor-2)
P0171 Fuel system too lean
DETECTING CONDITION
(DTC will set when detecting :)
Sensor output low voltage (or MAF sensor
circuit shorted to ground)
Sensor output high voltage (or MAF sen-
sor circuit open)
Intake air temp. circuit low input
Intake air temp. circuit high input
Engine coolant temp. circuit low input
Engine coolant temp. circuit high input
Throttle position circuit low input
Throttle position circuit high input
Poor performance of TP sensor
Min. output voltage of HO2S-higher than
specification
Max. output voltage of HO2S-lower than
specification
Response time of HO2S-1 output voltage
between rich and lean is longer than spec-
ification.
Output voltage of HO2S-1 fails to go above
specification (or HO2S-1 circuit shorted to
ground).
Terminal voltage is lower than specification
at heater OFF or it is higher at heater ON.
Max. voltage of HO2S-2 is lower than
specification or its min. voltage is higher
than specification.
Terminal voltage is lower than specification
at heater OFF or it is higher at heater ON.
(or heater circuit or short)
Short term fuel trim or total fuel trim (short
and long terms added) is larger than spec-
ification for specified time or longer.
(Fuel trim toward rich side is large.)
MIL
MIL
(vehicle
(vehicle
without
with moni-
monitor
tor connec-
connector)
tor)
1 driving
1 driving
cycle
cycle
1 driving
1 driving
cycle
cycle
1 driving
1 driving
cycle
cycle
1 driving
1 driving
cycle
cycle
2 driving
Not applica-
cycles
ble
2 driving
Not applica-
cycles
ble
2 driving
Not applica-
cycles
ble
2 driving
1 driving
cycles
cycle
2 driving
Not applica-
cycles
ble
2 driving
Not applica-
cycles
ble
2 driving
Not applica-
cycles
ble
2 driving
Not applica-
cycles
ble

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