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SYSTEM — Basic engine control sys- SYMPTOM Reference page Feature of symptom, Check point ROUGH IDLE/HUNTING IDLING VIBRA TION SLOW/NO RETURN T O IDLE OVERHEA T/HIGH ENGINE COOLANT TEMPERA TURE EXCESSIVE FUEL CONSUMPTION EXCESSIVE OIL CONSUMPTION ABNORMAL SMOKE COLOR DEAD BA TTER Y (UNDER CHARGE) Malfunction indicator lamp illuminates. Can be detected by CONSUL T -II? Fuel cut BLACK SMOKE WHITE SMOKE Warranty symptom code AG AH AJ AK AL AM AP HA Electronic control fuel injection pump 4 4 3 4 5 4 3 3 3 — *1 Injection nozzle 3 3 4 *2 Glow system 1 Engine body 3 3 3 3 3 3 EM section *3 EGR system 3 Air cleaner and ducts 3 3 MA section *4 1 - 5: The numbers refer to the order of inspection. TROUBLE DIAGNOSIS — GENERAL DESCRIPTION ZD30DDTi Symptom Matrix Chart (Cont’d) EC-57 |