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- Measure battery voltage at cranking.
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Q.
Is the check result normal?
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Check battery (Refer to GROUP 54A - Battery - On-vehicle Service - Battery
Test ).
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Q.
Is diagnosis code set?
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Inspection chart for diagnosis code (Refer to ).
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- Refer to Data List Reference Table .
- Item 05: Intake air temperature sensor
- Item 06: Engine coolant temperature sensor
- Item 08: Manifold absolute pressure sensor
- Item 10: Air flow 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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Q.
Is the check result normal?
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Clean throttle body (throttle valve portion) (Refer to ).
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OK: Operating sound of fuel pump can be heard.
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Q.
Is the check result normal?
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Check fuel pump system (Refer to Inspection Procedure 21 ).
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Q.
Is the check result normal?
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- Check injector for operating sound at engine cranking (Refer to ).
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Q.
Is the check result normal?
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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 ). (Refer to Code No. P0205: No. 5 Injector System ). (Refer to Code No. P0206: No. 6 Injector System ).
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Q.
Is the check result normal?
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- Remove the spark plug and install it to the ignition coil.
- Connect the ignition coil connector.
- Remove all injector connectors.
- At the engine start, check each spark plug procedures a spark.
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Q.
Is the check result normal?
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- Check spark plug itself (Refer to GROUP 16 - Ignition System - On-vehicle
Service - Spark Plug Check and Cleaning <6G72 without catalytic converter> or
Spark Plug Check and Cleaning <6G72 with catalytic converter> ).
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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 each injector for spray condition (Refer to ).
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Q.
Is the check result normal?
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- Fuel pressure measurement (Refer to ).
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Q.
Is the check result normal?
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- Check the compression pressure (Refer to GROUP 11A - On-vehicle
Service - Compression Pressure Check ).
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Q.
Is the check result normal?
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- Check exhaust gas recirculation valve itself (Refer to GROUP 17 - Emission
Control - Exhaust Gas Recirculation Valve - Exhaust Gas Recirculation Valve
(Stepper Motor) Check ).
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Q.
Is the check result normal?
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Replace the exhaust gas recirculation valve.
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- After the engine-ECU <M/T> or engine-A/T-ECU <A/T> has been replaced,
check for the trouble symptom again.
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Q.
Does trouble symptom persist?
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Check for foreign matters (water, kerosene, etc.) in fuel and replace if necessary.
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