Engine Ecu (J05E) Troubleshooting; Precautions For Diagnosis - Hino Motors HINO 155 series Workshop Manual

2–4 ENGINE (J05E)/TROUBLESHOOTING
TROUBLESHOOTING
ENGINE ECU (J05E)

PRECAUTIONS FOR DIAGNOSIS

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• Ensure that individual connectors are certainly connected before start of checking works.
• Make sure to set the starter key to the "LOCK" position before disconnecting a connector.
• Replace the part or the component that have a failure or trouble. Do not fix and reuse it.
• Delete the past malfunction code after recording. Then conduct a diagnosis again to check for present failures.
• Delete the past failure memory after completion of a diagnostic analysis.