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FI
FUEL INJECTION SYSTEM
Intake air pressure sensor-open or short circuit detected.
1
2
3
Connected condition of con-
nector
Inspect the coupler for any
pins that may have pulled
out.
Check the locking condition
of the coupler.
TIP
Set the main switch to OFF
before connecting or discon-
necting the connector.
Open or short circuit in wiring
harnes.
Defective intake air pressure
sensor.
If there is a malfunction, reper it and connect
it securely.
Intake air pressure sensor coupler
Main wiring harness ECU coupler
Repair or replace if there is an open or short
circuit.
Between sensor coupler and ECU coupler
black/blue - black/blue
pink/white - pink/whte
blue- blue
Execute the diagnostic mode (code No. D03)
Replace the throttle body.
TIP
Do not remove the sensor module.
1. Connect the digital circuit tester to the in-
take air pressure sensor coupler as shown.
Positive tester probe
JJ
JJ
J pink/white
11
11
1
Negative tester prove
JJ
JJ
J black/blue
22
22
2
2. Set the main switch to “ON”.
3. Measure the intake air pressure sensor out-
put voltage.
Intake air pressure sensor output
voltage
0.789~4.0V
4. Is the intake air pressure sensor OK?
Reinstated by turn-
ing the main switch
ON.
Fault code No.
13 Symptom
Used diagnostic code No. D03 (intake air pressure sensor)
Order
Inspection operation item and
probable cause
Operation item and countermeasure
Reinstatement
method
1
2
B/L
Y
L
P/W
Br/W
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