FUEL INJECTION SYSTEM
8-59
Fault code No. 13 Symptom Intake air pressure sensor: open or short circuit detected.
Diagnostic code No. 03 Intake air pressure sensor
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Intake air pressure sensor coupler
• Wire harness ECU coupler
• Sub-wire harness 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.
Turning the
main switch to
“ON”.
2 Open or short circuit in wire harness
and/or sub-wire harness.
• Repair or replace if there is an
open or short circuit.
• Between intake air pressure
sensor coupler and ECU cou-
pler.
(black/blue–black/blue)
(pink/white–pink/white)
(blue–blue)
3 Defective intake air pressure sensor • Execute the diagnostic mode.
(Code No.03)
• Replace if defective.
Refer to “CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SOR” on page 8-168.
Fault code No. 14 Symptom Intake air pressure sensor: hose system malfunction
(clogged or detached hose).
Diagnostic code No. 03 Intake air pressure sensor
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Intake air pressure sensor hose • Check the intake air pressure
sensor hose condition.
• Repair or replace the sensor
hose.
Starting the en-
gine and oper-
ating it at idle.
2 Intake air pressure sensor malfunction
at intermediate electrical potential.
• Check and repair the connec-
tion.
• Replace it if there is a malfunc-
tion.
3 Connections
• Intake air pressure sensor coupler
• Wire harness ECU coupler
• Sub-wire harness 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.
To Next Page
Loading...
