1A-23 Engine General Information and Diagnosis:
C24
Ignition signal
CKP sensor (pick-up coil) signal is produced,
but signal from ignition coil is interrupted 8
times or more continuously. In this case, the
code C24 (P0351) is indicated.
Ignition coil, wiring/coupler
connection, power supply from
the battery.
P0351
C32
Fuel injector
CKP sensor (pick-up coil) signal is produced,
but fuel injector signal is interrupted 4 times or
more continuously. In this case, the code C32
(P0201) is indicated.
Fuel injector, wiring/coupler
connection, power supply to
the injector.
P0201
C40
ISC valve The circuit voltage of motor drive is unusual.
ISC valve circuit open or
shorted to the ground.
Power source circuit open.
P0505
C41
Fuel pump relay
No voltage is applied to the fuel pump,
although fuel pump relay is turned ON, or
voltage is applied to fuel pump, although fuel
pump relay is turned OFF.
Fuel pump relay, lead wire/
coupler connection, power
source to the fuel pump relay
and fuel injectors.
P0230
H
Voltage is applied to the injector and fuel
pump relay is turned OFF.
Fuel pump relay switch circuit
shorted to power source.
Fuel pump relay (switch side).
L
No voltage is applied to the injector and fuel
pump relay is turned ON.
Fuel pump relay circuit open or
short.
Fuel pump relay (coil side).
Malfunction
Code
Detected Item Detected Failure Condition Check For
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