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Q.
Does an indicator other than the engine warning lamp illuminate?
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Inspect combination meter and related circuits (Refer to GROUP 54A - Combination
Meter - Check Chart for Trouble Symptoms ).
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Q.
Is the diagnosis code set?
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Inspection chart for diagnosis code (Refer to ).
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Q.
Are the check results normal?
Go to Step 4 .
Repair or replace.
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- Disconnect C-105 engine-ECU connector and C-111 combination
meter connector, and measure resistance at the wiring harness.
- Resistance between C-105 engine-ECU connector terminal No. 11 and C-111 combination
connector terminal No. 63.
OK: Continuity (2 Ω or less)
Q.
Is the check result normal?
Go to Step 5 .
Check the intermediate connector C-53 <L.H. drive vehicles> or C-35 <R.H.
drive vehicles>, and repair if necessary. If intermediate connector is normal, repair the harness
wire.
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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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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunction ).
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