6-1-20 ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE)
P0174 Fuel system too lean (Bank 2)
Short term fuel trim or total fuel trim
(short and long terms added) is larger
than specification for specified time or
longer. (Fuel trim toward rich side is
large.)
2 driving
cycles
Not
applicable
P0175 Fuel system too rich (Bank 2)
Short term fuel trim or total fuel trim
(short and long terms added) is
smaller than specification for specified
time or longer. (Fuel trim toward lean
side is large.)
2 driving
cycles
Not
applicable
P0300
P0301
P0302
P0303
P0304
P0305
P0306
Random misfire detected
Cylinder 1 misfire detected
Cylinder 2 misfire detected
Cylinder 3 misfire detected
Cylinder 4 misfire detected
Cylinder 5 misfire detected
Cylinder 6 misfire detected
Misfire of such level as to cause dam-
age to three way catalyst
MIL flashing
during mis-
fire detec-
tion
Not
applicable
Misfire of such level as to deteriorate
emission but not to cause damage to
three way catalyst
2 driving
cycles
Not
applicable
P0325
(No.43)
Knock sensor circuit malfunc-
tion
Sensor output too low
1 driving
cycle
1 driving
cycle
Sensor output too high
P0335
Crankshaft position sensor cir-
cuit malfunction
No signal during engine running and
CMP sensor signal inputting
1 driving
cycle
Not
applicable
P0340
(No.42)
Camshaft position sensor cir-
cuit malfunction
No signal for 3 sec. during engine
cranking, REF signal pattern incor-
rect or POS signal voltage too high or
too low
1 driving
cycle
Not
applicable
P0400
Exhaust gas recirculation flow
malfunction detected
Excessive or insufficient EGR flow.
2 driving
cycles
Not
applicable
P0403
(No.51)
EGR valve circuit malfunction
EGR valve electrical circuit open or
shot to ground
1 driving
cycle
1 driving
cycle
P0420
Catalyst system efficiency
below threshold (Bank 1)
Output waveforms of HO2S-1 and
HO2S-2 are similar.
(Time from output voltage change of
HO2S-1 to that of HO2S-2 is shorter
than specification.)
2 driving
cycles
Not
applicable
P0430
Catalyst system efficiency
below threshold (Bank 2)
Output waveforms of HO2S-1 and
HO2S-2 are similar.
(Time from output voltage change of
HO2S-1 to that of HO2S-2 is shorter
than specification.)
2 driving
cycles
Not
applicable
P0443
Purge control valve circuit
malfunction
Purge control valve circuit is open or
shorted to ground.
2 driving
cycles
Not
applicable
P0500
(No.24)
Vehicle speed sensor mal-
function
No signal while running in “D” range
or during fuel cut at decelerating.
2 driving
cycles
1 driving
cycle
DTC NO. DETECTED ITEM
DETECTING CONDITION
(DTC will set when detecting : )
MIL
(vehicle
without
monitor
connector)
MIL
(vehicle
with
monitor
connector)
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