6 - 9
FI
FUEL INJECTION SYSTEM
Diagnostic code table
Fault
code No.
Symptom
Probable cause of malfunction
Diagnostic code No.
12
No normal signals are received from
the crankshaft position sensor.
• Open or short circuit in wire harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Malfunction in ECU.
• Improperly installed sensor.
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13
Intake air pressure sensor: open or
short circuit detected.
• Open or short circuit in wire harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
d03
14
Intake air pressure sensor: hose sys-
tem malfunction (clogged or detached
hose).
• Intake air pressure sensor hose is detached, clogged,
kinked, or pinched.
• Malfunction in ECU.
d03
15
Throttle position sensor: open or short
circuit detected.
• Open or short circuit in wire sub lead.
• Open or short circuit in wire harness.
• Defective throttle position sensor.
• Malfunction in ECU.
• Improperly installed throttle position sensor.
d01
16
Stuck throttle position sensor
detected.
• Stuck throttle position sensor.
• Malfunction in ECU.
d01
21
Coolant temperature sensor: open or
short circuit detected.
• Open or short circuit in wire harness.
• Defective coolant temperature sensor.
• Malfunction in ECU.
• Improperly installed coolant temperature sensor.
d06
22
Intake air temperature sensor: open
or short circuit detected.
• Open or short circuit in wire harness.
• Defective intake air temperature sensor.
• Malfunction in ECU.
• Improperly installed intake air temperature sensor.
d05
30
The vehicle has overturned.
• Overturned.
• Malfunction in ECU.
d08
33
Malfunction detected in the primary
lead of the ignition coil.
• Open or short circuit in wire harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-off circuit sys-
tem.
d30
37
Engine speed is high when the
engine is idling.
• Open circuit in wire harness.
• Malfunction in throttle body.
• Malfunction in throttle cables.
• ISC valve is stuck fully open due to disconnected ISC
unit coupler. (High engine idle speed is detected with the
ISC valve stuck fully open even though signals for the
valve to close are continuously being transmitted by the
ECU.)
• Malfunction in ECU.
• Backup fuse is blown.
d54
39
Open circuit detected in a injector.
• Open or short circuit in wire harness.
• Improperly installed injector.
• Defective injector.
d36
41
Lean angle sensor: open or short cir-
cuit detected.
• Open or short circuit in wire harness.
• Defective lean angle sensor.
• Malfunction in ECU.
d08
42
No normal signals are received from
the speed sensor.
• Open circuit in wire harness.
• Defective speed sensor.
• Malfunction in vehicle speed sensor detected.
• Malfunction in the engine side of the neutral switch.
• Malfunction in ECU.
d07
43
Power supply to the injector and fuel
pump is not normal.
• Open or short circuit in wire harness.
• Malfunction in ECU.
d09
44
Error is detected while reading or writ-
ing on EEPROM (CO adjustment
value).
• Malfunction in ECU. (The CO adjustment value is not
properly written on or read from the internal memory).
d60
46
Power supply to the fuel injection sys-
tem is not normal.
• Malfunction in the charging system. Refer to “CHARG-
ING SYSTEM” in chapter 9.
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