ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-17
P0134 O2 sensor (HO2S) circuit no
activity detected (Sensor–1)
Output voltage of HO2S–1 fails to go above specifica-
tion.
(or HO2S–1 circuit open or short)
2 driving
cycles
P0136 O2 sensor (HO2S) circuit
(Sensor–2)
Maximum output voltage of HO2S–2 is lower than speci-
fication or minimum output voltage of HO2S–2 is higher
than specification.
2 driving
cycles
P0171 System too lean Total fuel trim is larger than specification for specified
time or longer. (Fuel trim toward rich side is large.)
2 driving
cycles
P0172 System too rich Total fuel trim is smaller than specification for specified
time or longer. (Fuel trim toward lean side is large.)
2 driving
cycles
P0300 Random misfire detected Misfire of such level as to cause damage to three way
catalyst.
✱
2 driving
cycles
P0301
P0302
P0303
P0304
Cylinder 1 misfire detected
Cylinder 2 misfire detected
Cylinder 3 misfire detected
Cylinder 4 misfire detected
Misfire of such level as to deteriorate emission but not to
cause damage to three way catalyst.
2 driving
cycles
P0327 Knock sensor circuit low Knock sensor circuit shorted to ground (low voltage) 1 driving
cycle
P0328 Knock sensor circuit high Knock sensor circuit open (high voltage) 1 driving
cycle
P0335 Crankshaft position sensor
circuit
No signal during engine running 1 driving
cycle
P0340 Camshaft position sensor
circuit
No reference signal during engine cranking or pulse
number of position signal is out of specification.
P0401 Exhaust gas recirculation
flow insufficient detected
Insufficient EGR flow 2 driving
cycles
P0402 Exhaust gas recirculation
flow excessive detected
Excessive EGR flow 2 driving
cycles
P0420 Catalyst system efficiency
below threshold
Output waveforms of HO2S–1 and HO2S–2 are similar. 2 driving
cycles
P0443 Evaporative emission sys-
tem purge control valve cir-
cuit
Monitor signal of EVAP canister purge valve is different
from command signal (circuit open or shorted to ground)
2 driving
cycles
P0480 Fan 1 (Radiator cooling fan)
control circuit
Radiator cooling fan relay terminal voltage is low when
cooling temp. is lower than specification.
2 driving
cycles
P0500 Vehicle speed sensor No signal during fuel cut for specified time or longer 2 driving
cycles
P0505 Idle air control system Voltage is out of specification for longer than specified
time
2 driving
cycles
P0601 Internal control module
memory check sum error
Data write error or check sum error 1 driving
cycle
P0602 Control module program-
ming error
Data programming error 1 driving
cycle
P1500 Starter signal circuit mal-
function
Starter signal is not inputted from engine cranking till its
start and after or it is always inputted.
2 driving
cycles
P1510 ECM backup power supply
malfunction
Backup power voltage is out of specification after start-
ing engine.
1 driving
cycle
DTC
NO.
DETECTING ITEM DETECTING CONDITION
(DTC will set when detecting:)
MIL
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