PGM-FI SYSTEM
DTCIN
EL)
NOTE:
• If the MCS
is
not used, perform all
of
the inspection
on
the corresponding main code (digits
in
front
of
hyphen)
of
the OTC.
DTC Function Failure
Symptom/Fail-safe function.
Refer
to
1-1
MAP sensor circuit low voltage (less than
0.21
V)
.
Engine operates normally
4-34
.
MAP sensor or its ~ircuit malfunction
.
Pre-program value: 63 kPa
MAP sensor circuit high voltage (more than 3.85 V)
.
Engine operates normally
1-2
.
Loose or poor contact of the sensor unit connector
.
Pre-program value: 63 kPa
4-35
.
MAP sensor or its circuit malfunction
ECT sensor circuit low voltage (less than 0.08 V)
.
Hard start at a low temperature
7-1
.
ECT sensor or its circuit malfunction
.
Pre-program value: 82°C
4-36
.
Cooling fan turns on
ECT sensor circuit high voltage (more than
4.91
V)
.
Hard start at a low temperature
7-2
.
Loose or poor contact
of
the ECT sensor connector
.
Pre-program value: 82°C
4-37
.
ECT sensor or its circuit malfunction
.
Cooling fan turns on
TP sensor circuit low voltage (less than
0.21
V)
.
Poor engine acceleration
8-1
.
Loose or poor contact of the sensor unit connector
.
Pre-program value:
0°
4-38
.
TP sensor or its circuit malfunction
8-2
TP sensor circuit high voltage (more than 4.89 V)
.
Poor engine acceleration
4-39
.
TP sensor or its circuit malfunction
.
Pre-program value:
0°
9-1
IAT sensor circuit low voltage (less than 0.08 V)
.
Engine operates normally
4-40
.
IA T sensor or its circuit malfunction
.
Pre-program value: 35°C
IAT sensor circuit high voltage (more than
4.91
V)
.
Engine operates normally
9-2
.
Loose or poor contact of the sensor unit connector
.
Pre-program value: 35°C
4-41
.
IAT sensor or its circuit malfunction
Fuel injector circuit malfunction
.
Engine does not start
12-1
.
Loose or poor contact of the fuel injector connector
.
Fuel injector, fuel pump and ignition coil
4-42
.
Fuel injector or its circuit malfunction
shut down
02
sensor malfunction
.
Engine operates normally
21-1
.
Loose or poor contact of the
02
sensor connector
4-43
.
02
sensor or its circuit malfunction
IACV circuit malfunction
.
Engine stalls, hard to start, rough idling
29-1
.
Loose or poor contact
of
the IACV connector
4-44
.
IACV or its circuit malfunction
33-2*
ECM EEPROM malfunction
.
Engine stalls, hard to start, rough idling
4-46
•·
Faulty ECM
.
Does not hold the self diagnosis data
CKP sensor malfunction
.
Engine does not start
52-1
.
Loose or poor contact of the CKP sensor connector
4-46
.
CKP sensor or its circuit malfunction
* The MIL does not blink (OTC can be readout/erased only by MCS)
4-16
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