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Fault code No.
13
Used diagnostic code No. D03 (intake air pressure sensor)
Inspection operation item and
Order
probable cause
1
Connected condition of con-
nector
Inspect the coupler for any
pins that may have pulled
out.
Check the locking condition
of the coupler.
NOTE:
Set the main switch to OFF
before connecting or discon-
necting the connector.
2
Open or short circuit in wiring
harnes and /or sub lead.
3
Defective intake air pressure
sensor.
FUEL INJECTION SYSTEM
Symptom
Intake air pressure sensor-open or short circuit detected.
Operation item and countermeasure
If there is a malfunction, reper it and connect
it securely.
Intake air pressure sensor coupler
Main wiring harness ECU coupler
Sub-wire harness 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.
NOTE:
Do not remove the sensor assembly (MAQS).
1. Connect the digital circuit tester to the in-
take air pressure sensor coupler as shown.
Positive tester probe
Negative tester prove
2. Set the main switch to "ON".
3. Measure the intake air pressure sensor out-
put voltage.
n.
4. Is the intake air pressure sensor OK?
-»
pink/white
-»
^T^S,
YZZZ^
Br/W P/W
B/L
Y
L
^
^
© ©
n n
n •
•
•
•
Intake air pressure sensor output
voltage
3.9~4.1V
7-14
FI
Reinstatement
Reinstated by turn-
ing the main switch
ON.
0
black/blue
(2)
ifl
method
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