|
Q.
Is the check result normal?
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|
Inspection chart for diagnosis code
(Refer to ).
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|
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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
- Item 11: Accelerator pedal position sensor (main)
- Item 12: Accelerator pedal position sensor (sub)
- Item 13: Throttle position sensor (main)
- Item 15: Throttle position sensor (sub)
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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
).
|
|
|
|
- Refer to Data List Reference Table
.
- Item 24: Power steering fluid pressure sensor
- Item 87: Neutral switch <A/T>
|
|
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
).
|
|
|
|
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 ).
|
|
|
|
- Refer to Data List Reference Table
.
- Item AC: Right bank oxygen sensor (front)
- Item AD: Right bank oxygen sensor (rear)
- Item AE: Left bank oxygen sensor (front)
- Item AF: Left bank oxygen sensor (rear)
|
|
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
).
|
|
|
|
- Measure engine-ECU <M/T> or engine-A/T-ECU <A/T>
terminal voltage.
- Engine: Idle operation after warm-up
- Transmission: Neutral <M/T> or P range
<A/T>
- Radiator fan: Not operated
- Voltage between terminal No. 45 and earth.
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|
OK: Voltage increases when the
headlamps are extinguished→illuminated
|
|
Q.
Is the check result normal?
|
|
Q.
Are the check results normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check output line for open/short circuit and damage.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
Q.
Does the trouble symptom persist?
|
|
Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
|
|
|
|
- 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 produces a spark.
|
|
Q.
Is the check result normal?
|
|
- 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> ).
|
|
Q.
Is the check result normal?
|
|
Check
ignition circuit system (Refer to Inspection Procedure 26 ).
|
|
|
|
- Check purge control solenoid valve itself (Refer to GROUP 17 -
Emission
Control - Evaporative Emission Control System - Purge Control
Solenoid Valve Check
).
|
|
Q.
Is the check result normal?
|
|
Replace the purge control solenoid
valve.
|
|
|
|
- Check exhaust gas recirculation valve itself (Refer to GROUP 17
- Emission
Control - Exhaust Gas Recirculation Valve - Exhaust Gas
Recirculation Valve
(Stepper Motor) Check
).
|
|
Q.
Is the check result normal?
|
|
Replace the exhaust gas recirculation
valve.
|
|
|
|
- Check each injector for spray condition (Refer to
).
|
|
Q.
Is the check result normal?
|
|
- Check the compression pressure (Refer to GROUP 11A - On-vehicle
Service - Compression Pressure Check
).
|
|
Q.
Is the check result normal?
|
|
- After the engine-ECU <M/T> or engine-A/T-ECU <A/T>
has been replaced,
check for the trouble symptom again.
|
|
Q.
Does trouble symptom persist?
|
|
Check
for foreign matters (water, kerosene, etc.) in fuel and replace if
necessary.
|
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|