|
|
DIAGNOSTIC WORKSHEET 1. l Read the Fail-safe and listen to customer complaints. 2. l A/T FLUID CHECK l Leakage (Follow specified procedure) l Fluid condition l Fluid level 3. l Perform STALL TEST and LINE PRESSURE TEST. l Stall test — Mark possible damaged components/others. l Torque converter one-way clutch l Reverse clutch l Forward clutch l Overrun clutch l Forward one-way clutch l Low & reverse brake l Low one-way clutch l Engine l Line pressure is low l Clutches and brakes except high l Line pressure test — Suspected parts: 4. l Perform all ROAD TEST and mark required procedures. 4-1. Check before engine is started. l SELF-DIAGNOSTIC PROCEDURE — Mark detected items. l Vehicle speed sensor ⋅ A/T (Revolution sensor), AT-52. l Vehicle speed sensor ⋅ MTR, AT-56. l Throttle (accelerator) position sensor, AT-62. l Shift solenoid valve A, AT-65. l Shift solenoid valve B, AT-68. l Overrun clutch solenoid valve, AT-71. l Torque converter clutch solenoid valve, AT-93. l A/T fluid temperature sensor and TCM power source, AT-78. l Engine speed signal, AT-82. l Line pressure solenoid valve, AT-86. l Park/neutral position, overdrive control, A/T check and throttle (accelerator) position switches, AT-93. l Battery l Others 4-2. Check at idle l 1. SPORT Indicator Lamp Does Not Come On, AT-97. l 2. SPORT or SNOW Indicator Lamp Does Not Come On, AT-100. l 3. O/D OFF Indicator Lamp Does Not Come On, AT-100. l 4. SPORT Indicator Lamp Does Not Come On, AT-101. l 5. Engine Cannot Be Started In “P” And “N” Position, AT-102. l 6. In “P” Position, Vehicle Moves Forward Or Backward When Pushed, l 7. In “N” Position, Vehicle Moves, AT-103. l 8. Large Shock. “N” , “R” Position, AT-104. l 9. Vehicle Does Not Creep Backward In “R” Position, AT-105. l 10. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position, AT-106. 4-3. Cruise test Part-1 l 11. Vehicle Cannot Be Started From D 1 , AT-107. l 12. A/T Does Not Shift: D 1 , D 2 Or Does Not Kickdown: D 4 , D 2 , AT-108. l 13. A/T Does Not Shift: D 2 , D 3 , AT-109. l 14. A/T Does Not Shift: D 3 , D 4 , AT-110. l 15. A/T Does Not Perform Lock-up, AT-111. l 16. A/T Does Not Hold Lock-up Condition, AT-112. l 17. Lock-up Is Not Released, AT-112. l 18. Engine Speed Does Not Return To Idle (Light Braking D 4 , D 3 ), AT-113. TROUBLE DIAGNOSIS — Introduction Diagnostic Worksheet (Cont’d) AT-24 |