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SAT367J 9. A/T Does Not Shift: D 1 → D 2 Or Does Not Kickdown: D 4 → D 2 SYMPTOM: A/T does not shift from D 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. SAT559I SAT171B Are 7. Vehicle Does Not Creep Forward In 1 OK? Yes E No Go to 7. Vehicle Does Not 1 Does “TCM INPUT SIGNALS” in -------------------------------------------------------------------------------------------------------------------------------------- OR -------------------------------------------------------------------------------------------------------------------------------------- Does self-diagnosis show damage No E Yes Check PNP switch circuit. Check vehicle speed sensor ⋅ A/T (revolu- tion sensor) and vehicle speed ⋅ MTR circuit. Refer to “DTC P0720 and VHCL SPEED SEN ⋅ MTR”, AT-89, OK E NG Repair or replace vehicle ⋅ A/T (revolu- tion sensor) and vehicle ⋅ MTR circuits. Check throttle position sensor. Refer to OK E NG Repair or replace throttle 1. Remove oil pan. OK E NG 1. Remove control valve. Refer to AT-195. 2. Check the following items: I Shift valve A I Shift solenoid valve A I Pilot valve I Pilot filter 3. Disassemble A/T. items: I Servo piston assembly I Brake band I Oil pump assembly 1. Remove control valve. Refer to AT-195. I Shift valve A I Shift solenoid valve A I Pilot valve I Pilot filter OK OK F Check again. OK E NG 1. Perform TCM input/ output signal inspection. 2. If NG, recheck TCM pin terminals for damage or INSPECTION END GI MA EM LC EC FE PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSES FOR SYMPTOMS H H H H H H H H AT-169 |