FUEL INJECTION SYSTEM
8-39
20
When the main switch is
turned to “ON”, the atmo-
spheric pressure sensor
voltage and intake air pres-
sure sensor voltage differ
greatly.
• Atmospheric pressure sensor hose is
clogged.
• Intake air pressure sensor hose is clogged,
kinked, or pinched.
• Malfunction of the atmospheric pressure
sensor in the intermediate electrical poten-
tial.
• Malfunction of the intake air pressure sen-
sor in the intermediate electrical potential.
• Malfunction in ECU.
03
02
21
Coolant temperature sen-
sor: open or short circuit
detected.
• Open or short circuit in wire harness.
• Defective coolant temperature sensor.
• Malfunction in ECU.
• Improperly installed coolant temperature
sensor.
06
22
Air temperature sensor:
open or short circuit
detected.
• Open or short circuit in wire harness.
• Defective air temperature sensor.
• Malfunction in ECU.
• Improperly installed air temperature sensor.
05
23
Atmospheric pressure sen-
sor: open or short circuit
detected.
• Open or short circuit in wire harness.
• Defective atmospheric pressure sensor.
• Improperly installed atmospheric pressure
sensor.
• Malfunction in ECU.
02
24
No normal signal is
received from the O
2
sen-
sor.
• Open or short circuit in wire harness.
• Defective O
2
sensor.
• Malfunction in ECU.
• Improperly installed O
2
sensor.
—
30
Latch up detected.
No normal signal is
received from the lean
angle sensor.
• The vehicle has overturned.
• Defective lean angle sensor.
• Malfunction in ECU.
• Improperly installed lean angle sensor.
08
33
Open circuit detected in the
primary lead of the cylinder-
#1 ignition coil.
• Open circuit in wire harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
30
34
Open circuit detected in the
primary lead of the cylinder-
#2 ignition coil.
• Open circuit in wire harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
31
35
Open circuit detected in the
primary lead of the cylinder-
#3 ignition coil.
• Open circuit in wire harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
32
36
Open circuit detected in the
primary lead of the cylinder-
#4 ignition coil.
• Open circuit in wire harness.
• Malfunction in ignition coil.
• Malfunction in ECU.
33
39
Open circuit detected in a
injector.
• Open or short circuit in wire harness.
• Defective primary injector.
• Malfunction in ECU.
• Improperly installed primary injector.
36
37
38
39
Fault
code
No.
Symptom
Probable cause of malfunction
Diagnostic
code No.
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