9-2 SERVICING INFORMATION
TROUBLESHOOTING
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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