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SYSTEM — ENGINE CONTROL system Malfunction 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 ENGINE CONTROL Accelerator switch (FC) circuit *a, *b 1 1 *c Fuel cut system line *a, *c 1 1 *b 1 *2 Accelerator position sensor circuit *a, *b 1 1 Crankshaft position sensor (TDC) cir- *a, *b 1 1 1 1 *d Charge air pressure sensor circuit *a, *b, *c 1 1 Swirl control valve control solenoid *a, *b 1 *c 1 1 1 Variable nozzle turbocharger control *a, *b 1 1 *c 1 1 Intake air control valve control sole- *c 1 - 5: The numbers refer to the order of inspection. TROUBLE DIAGNOSIS — GENERAL DESCRIPTION ZD30DDTi Symptom Matrix Chart (Cont’d) EC-61 |