FUEL INJECTION SYSTEM
8-54
Fault code No. 26 Symptom Rear cylinder intake air pressure sensor: hose system
malfunction (clogged or detached hose).
Diagnostic code No. 04 Rear cylinder intake air pressure sensor
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Rear cylinder intake air pressure sen-
sor hose
• Check the rear cylinder intake
air pressure sensor hose condi-
tion.
• Repair or replace the sensor
hose.
Starting the en-
gine and oper-
ating it at idle.
2 Rear cylinder intake air pressure sen-
sor malfunction at intermediate elec-
trical potential.
• Check and repair the connec-
tion.
• Replace it if there is a malfunc-
tion.
3 Connections
• Rear cylinder intake air pressure
sensor coupler
• Wire harness ECU coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler se-
curely.
4 Defective rear cylinder intake air pres-
sure sensor.
• Execute the diagnostic mode.
(Code No. 04)
• Replace if defective.
Refer to “CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SORS” on page 8-101.
Fault code No. 30 Symptom The vehicle has overturned.
Diagnostic code No. 08 Lean angle sensor
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 The vehicle has overturned. Raise the vehicle upright. Turning the
main switch to
“ON” (however,
the engine can-
not be restarted
unless the main
switch is first
turned “OFF”).
2 Installed condition of lean angle sen-
sor.
Check for looseness or pinching.
3 Connections
• Lean angle sensor coupler
• Wire harness ECU coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler se-
curely.
4 Defective lean angle sensor. • Execute the diagnostic mode.
(Code No. 08)
• Replace if defective.
Refer to “CHECKING THE
LEAN ANGLE SENSOR” on
page 8-96.
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