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Q.
Is the check result normal?
Go to Step 2 .
Repair or replace the connector.
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- Check throttle valve control servo itself (Refer to ).
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Q.
Is the check result normal?
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Replace the electronic-controlled throttle valve.
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Q.
Is the check result normal?
Go to Step 4 .
Repair or replace the connector.
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- Check the harness between A-132 (terminal No.5) electronic-controlled
throttle valve connector and C-103 (terminal No.111) engine-ECU connector.
- Check the harness between A-132 (terminal No.6) electronic-controlled throttle valve
connector and C-103 (terminal No.130) engine-ECU connector.
- Check output line for damage.
Q.
Are the check results normal?
Go to Step 5 .
Repair the damaged harness wire.
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- After replace the electronic-controlled throttle valve assembly,
re-check the trouble symptoms.
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Q.
Does trouble symptom persist?
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Replace the engine-ECU. When the engine-ECU is replaced, write the chassis number
(Refer to GROUP 00 - How to Perform Chassis Number Writing ).
After replacing the engine-ECU, register the injector identification code and learn fuel injection (Refer
to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ).
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