Service manual

FUEL INJECTION SYSTEM
8-57
Fault code No. 23 Symptom
Atmospheric pressure sensor:open or short circuit
detected.
Diagnostic code No. 02 Atmospheric pressure sensor
Order
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Connections
• Atmospheric pressure sensor cou-
pler
• Main wire harness ECU coupler
• Check the couplers for any pins
that may be pulled out.
• Check the locking condition of
the couplers.
• If there is a malfunction, repair it
and connect the coupler
securely.
Turning the
main switch to
“ON”.
2
Open or short circuit in wire harness
and/or sub wire harness 2.
• Repair or replace if there is an
open or short circuit.
• Between atmospheric pressure
sensor coupler and ECU cou-
pler.
(Black/Blue–Black/Blue)
(Pink–Pink)
(Blue–Blue)
3
Defective atmospheric pressure sen-
sor.
• Execute the diagnostic mode.
(Code No.02)
• Replace if defective.
Refer to "CHECKING THE
ATMOSPHERIC PRESSURE
SENSOR" on page 8-99.