FI SYSTEM DIAGNOSIS 4-21
MALFUNCTION CODE AND DEFECTIVE CONDITION
MALFUNCTION
CODE
DETECTED ITEM
DETECTED FAILURE CONDITION
CHECK FOR
C00 NO FAULT
–––––––––––
C12
Crankshaft position
sensor
The signal does not reach ECM for 3 sec. and more, after
receiving the IAP signal.
The crankshaft position sensor wiring and mechanical parts.
(Crankshaft position sensor, lead wire/coupler connection)
C13
Intake air pressure
sensor
The sensor should produce following voltage.
0.1 V sensor voltage 4.8 V
Without the above range for 4 sec. and more, C13 is indicated.
Intake air pressure sensor, lead wire/coupler connection.
C14
Throttle position sen-
sor
The sensor should produce following voltage.
0.1 V sensor voltage < 4.8 V
Without the above range for 4 sec. and more, C14 is indicated.
Throttle position sensor, lead wire/coupler connection.
C15
Engine coolant tem-
perature sensor
The sensor voltage should be the following.
0.1 V sensor voltage < 4.6 V
Without the above range for 4 sec. and more, C15 is indicated.
Engine coolant temperature sensor, lead wire/coupler connec-
tion.
C21
Intake air temperature
sensor
The sensor voltage should be the following.
0.1 V sensor voltage < 4.6 V
Without the above range for 4 sec. and more, C21 is indicated.
Intake air temperature sensor, lead wire/coupler connection.
C23
Tip over sensor The sensor voltage should be the following for 2 sec. and more
after ignition switch turns ON.
0.2 V sensor voltage 4.6 V
Without the above value for 2 sec. and more, C23 is indicated.
Tip over sensor, lead wire/coupler connection.
C24/C25
Ignition signal #1/#2
Crankshaft position sensor (pick-up coil) signal is produced, but
signal from ignition coil is interrupted continuous by 8 times or
more. In this case, the code C24 or C25 is indicated.
Ignition coil, wiring/coupler connection, power supply from the
battery.
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