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4 CHECK THROTTLE POSITION SENSOR Check throttle position sensor. Refer to EC-174, “Description”. SAT142K OK or NG OK © GO TO 5. NG © Repair or replace throttle position sensor. 5 CHECK A/T FLUID CONDITION 1. Remove oil pan. SAT171B OK or NG OK © GO TO 6. NG © GO TO 8. 6 DETECT MALFUNCTIONING ITEM 1. Remove control valve. Refer to AT-273. I Shift valve A I Shift solenoid valve A I Pilot valve I Pilot filter OK or NG OK © GO TO 7. NG © Repair or replace damaged parts. GI MA EM LC EC FE TF PD AX SU BR ST RS BT HA SC EL IDX TROUBLE DIAGNOSES FOR SYMPTOMS 9. A/T Does Not Shift: D 1 → D 2 Or Does Not Kickdown: D 4 → D 2 (Cont’d) AT-237 |