|
|
F ON vehicle E F OFF vehicle E Reference page (AT- ) Numbers are arranged in order of probability. Fluid level Control linkage Park/neutral position switch Throttle (accelerator) position sensor (Adjustment) Revolution sensor and vehicle speed sensor Engine speed signal Engine idling speed Line pressure Control valve assembly Shift solenoid valve A Shift solenoid valve B Line pressure solenoid valve T orque converter clutch solenoid valve Overrun clutch solenoid valve A/T fluid temperature sensor Accumulator N-D Accumulator 1-2 Accumulator 2-3 Accumulator 3-4 (N-R) Ignition switch and starter T orque converter Oil pump Reverse clutch High clutch Forward clutch Forward one-way clutch Overrun clutch Low one-way clutch Low & reverse brake Brake band Parking pawl components Too sharp a shock in change from 3 ” to “D 4 ”. . . . 1 . . . 2 4 . . . . . . . . . 3 . . . . . . . q 6 . . q 5 . Almost no shock or clutches slipping in change from 1 ” to “D 2 ”. 1 . . 2 . . . 3 5 . . . . . . . 4 . . . . . . . . . . . . q 6 . Almost no shock or slipping in change from “D 2 ” to “D 3 ”. 1 . . 2 . . . 3 5 . . . . . . . . 4 . . . . . q 6 . . . . . q 7 . Almost no shock or slipping in change from “D 3 ” to “D 4 ”. 1 . . 2 . . . 3 5 . . . . . . . . . 4 . . . . q 6 . . . . . q 7 . Vehicle braked by gear change from “D 1 ” to “D 2 ”. 1 . . . . . . . . . . . . . . . . . . . . . q 2 q 4 . . . q 5 q 3 . . Vehicle braked by gear change from “D 2 ” to “D 3 ”. 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . q 2 . Vehicle braked by gear change from “D 3 ” to “D 4 ”. 1 . . . . . . . . . . . . . . . . . . . . . q 4 . . q 3 q 2 . . . . Maximum speed not attained. Acceleration poor. 1 . 2 . . . . . 5 3 4 . . . . . . . . . q 11 q 10 q 6 q 7 . . . . q 9 q 8 . Failure to change gear from “D 4 ” to “D 3 ”. 1 . . 2 . . . . 6 4 . 5 . 3 . . . . . . . . . . . . q 8 . q 7 . . Failure to change gear from “D 3 ” to “D 2 ” or from “D 4 ” to “D 2 ”. 1 . . 2 . . . . 5 3 4 . . . . . . . . . . . . q 6 . . . . . q 7 . Failure to change gear from “D 2 ” to “D 1 ” or from “D 3 ” to “D 1 ”. 1 . . 2 . . . . 5 3 4 . . . . . . . . . . . . q 7 . . . q 6 . q 8 . Gear change shock felt during deceleration by . . . 1 . . . 2 4 . . . . 3 . . . . . . . . . . . . . . . . . Too high a change point from “D 4 ” to “D 3 ”, from “D 3 ” to “D 2 ”, from “D 2 ” to “D 1 ”. . . . 1 2 . . . . . . . . . . . . . . . . . . . . . . . . . . Kickdown does not operate when depressing pedal 4 ” within kickdown vehicle speed. . . . 1 2 . . . . 3 4 . . . . . . . . . . . . . . . . . . . . Kickdown operates or engine overruns when 4 ” beyond kickdown vehicle speed limit. . . . 2 1 . . . . 3 4 . . . . . . . . . . . . . . . . . . . . Races extremely fast or slips in changing from “D 4 ” to “D 3 ” when depressing pedal. 1 . . 2 . . . 3 5 . . 4 . . . . . . . . . . . q 6 q 7 . . . . . . Races extremely fast or slips in changing from “D 4 ” to “D 2 ” when depressing pedal. 1 . . 2 . . . 3 6 5 . 4 . . . . . . . . . . . . q 8 . . . . q 7 . Races extremely fast or slips in changing from “D 3 ” to “D 2 ” when depressing pedal. 1 . . 2 . . . 3 5 . . 4 . . 6 . . 7 . . . . . q 10 q 9 . . . . q 8 . Races extremely fast or slips in changing from “D 4 ” or “D 3 ” to “D 1 ” when depressing pedal. 1 . . 2 . . . 3 5 . . 4 . . . . . . . . . . . . q 6 q 7 . q 8 . . . Vehicle will not run in any position. 1 2 . . . . . 3 . . . 4 . . . . . . . . q 9 q 5 . q 6 . . . . q 8 q 7 q 10 Transmission noise in “D”, “2”, “1” and “R” positions. 1 . . . . . . . . . . . . . . . . . . . q 2 . . . . . . . . . . TROUBLE DIAGNOSIS — General Description Symptom Chart (Cont’d) AT-44 |