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Q.
Is diagnosis code set?
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Inspection chart for diagnosis code (Refer to ).
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- Check injector for operating sound (Refer to
).
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Q.
Can operating sound be heard?
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![](../../../buttons/03btn002.png)
Check the injector system of the defective
cylinder. (Refer to, Code No. P0201: No. 1 injector system ) (Refer to, Code No. P0202: No. 2 injector system ) (Refer to, Code No. P0203: No. 3 injector system ) (Refer to, Code No. P0204: No. 4 injector system )
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- Check ignition timing (Refer to GROUP 11A - On-vehicle Service - Ignition
Timing Check
).
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Q.
Is the check result normal?
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Check for offset ignition timing (Refer to Inspection Procedure 15 ).
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- Refer to Data List Reference Table
.
- Item 12: Air flow sensor
- Item 13: Intake air temperature sensor
- Item 21: Engine coolant temperature sensor
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|
Q.
Are the check results normal?
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|
Perform the diagnosis code classified check Procedure for the sensor that has
shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).
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|
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- Refer to Data List Reference Table
.
- Item 25: Barometric pressure sensor
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Q.
Is the check result normal?
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|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Clean throttle body (throttle valve portion) (Refer to ).
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|
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- Refer to Data List Reference Table
.
- Item 11: Cylinder 1, 4 oxygen sensor (front)
- Item 39: Cylinder 2, 3 oxygen sensor (front)
- Item 59: Cylinder 1, 4 oxygen sensor (rear)
- Item 69: Cylinder 2, 3 oxygen sensor (rear)
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|
Q.
Are the check results normal?
|
|
Perform the diagnosis code classified check Procedure for the sensor that has
shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).
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- Check purge control solenoid valve itself (Refer to GROUP 17 - Emission
Control System - Evaporative Emission Control System - Purge Control Solenoid
Valve Check
).
|
|
Q.
Is the check result normal?
|
|
Replace purge control solenoid valve.
|
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- Check EGR valve (stepper motor) itself [Refer to GROUP 17 - Emission
Control System - Exhaust Gas Recirculation (EGR) System - EGR Valve (Stepper
Motor) Check
].
|
|
Q.
Is the check result normal?
|
|
Replace EGR valve (stepper motor).
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|
- Fuel pressure measurement (Refer to Fuel Pressure Test
).
|
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Q.
Is the check result normal?
|
|
- Check positive crankcase ventilation valve itself (Refer to GROUP 17 - Emission
Control System - crankcase Emission Control System - Positive Crankcase Ventilation (PCV)
Valve Check
).
|
|
Q.
Is the check result normal?
|
|
Replace positive crankcase ventilation valve.
|
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|
Q.
Is the check result normal?
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Q.
Is the check result normal?
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Check ignition circuit system (Refer to Inspection Procedure 26 ).
|
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- Check compression pressure (Refer to GROUP 11A- On-vehicle Service - Compression
Pressure Check
).
|
|
Q.
Is the check result normal?
|
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- Check each injector for spray condition (Refer to
).
|
|
Q.
Does the trouble symptom persist?
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- After replacing the catalytic converter, re-check the trouble symptom.
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Q.
Does the trouble symptom persist?
|