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SYSTEM — ENGINE CONTROL system Malfunction SYMPTOM Reference page Feature of symptom, Check point HARD/NO ST AR T/REST AR T (EXCP . HA) ENGINE ST ALL HESIT A TION/SURGING/FLA T SPOT KNOCK/DET ONA TION LACK OF POWER POOR ACCELERA TION HI IDLE LOW IDLE NO ST AR T (with first firing) NO ST AR T (without first firing) HARD T O ST AR T WHEN ENGINE IS COLD HARD T O ST AR T WHEN ENGINE IS HOT A T IDLE DURING DRIVING WHEN DECELERA TING Warranty symptom code AA AB AC AD AE AF ENGINE CONTROL Start signal circuit *a, *b 1 1 *3 PNP switch circuit *a, *b 1 *c Accelerator position switch (Idle) cir- *a, *c 1 1 1 *b 1 1 1 *4 Accelerator position switch (Full) cir- *a, *b 1 1 1 Ignition switch circuit *a 1 1 1 1 *b *5 Power supply for ECM circuit *a *b 1 - 5: The numbers refer to the order of inspection. TROUBLE DIAGNOSIS — GENERAL DESCRIPTION ZD30DDTi Symptom Matrix Chart (Cont’d) EC-62 |