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TROUBLE DIAGNOSES FOR SYMPTOMS AT-225 [EURO-OBD] D E F G H I J K L M A B AT 8. DETECT MALFUNCTIONING ITEM 1. Remove control valve assembly. Refer to AT-410, "Control Valve Assembly and Accumulators" . 2. Check the following items: – Shift valve A – Shift valve B – Shift solenoid valve A – Shift solenoid valve B – Pilot valve – Pilot filter 3. Disassemble A/T. 4. Check the following items: – Forward clutch assembly – Forward one-way clutch – Low one-way clutch – High clutch assembly – Torque converter – Oil pump assembly OK or NG OK >> GO TO 7 NG >> Repair or replace damaged parts. 9. A/T Does Not Shift: D 1 → D 2 Or Does Not Kickdown: D 4 → D 2 ECS0099H SYMPTOM: 1 to D 2 at the specified speed. A/T does not shift from D 4 to D 2 when depressing accelerator pedal fully at the specified speed. 1. CHECK SYMPTOM Are 7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position and 8. Vehicle Cannot Be Started From D 1 OK? Yes or No Yes >> GO TO 2 No >> Go to AT-221, "7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position" , . 2. CHECK PNP SWITCH CIRCUIT With CONSULT-II Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to PNP switch circuit? Without CONSULT-II Does self-diagnosis show damage to PNP switch circuit? Yes or No Yes >> Check PNP switch circuit. Refer to . No >> GO TO 3 SCIA0706E |