Symptom
Shock occurs when select lever is moved from "2" to "1" range.
Shock occurs when accelerator pedal is released at medium
speeds.
Vibration occurs during straight-forward operation.
Vibration occurs during turns (tight corner "braking" phenome-
non).
Front wheel slippage occurs during standing starts.
Vehicle is not set in FWD mode.
Select lever is hard to move.
SYMPTOM RELATED DIAGNOSTIC
4AT-137
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Problem parts
• TCM
• Throttle position sensor
• ATF temperature sensor
• Line pressure duty solenoid
• Control valve
• Low & reverse clutch
• ATF deterioration
• 2-4 brake duty solenoid
• 2-4 brake timing solenoid
• Low clutch timing solenoid
• TCM
• Throttle position sensor
• ATF temperature sensor
• Line pressure duty solenoid
• Control valve
• Lock-up damper
• Engine performance
• 2-4 brake duty solenoid
• 2-4 brake timing solenoid
• Low clutch timing solenoid
• TCM
• Lock-up duty solenoid
• Lock-up facing
• Lock-up damper
• HOLD switch
• TCM
• Front vehicle speed sensor
• Rear vehicle speed sensor
• Throttle position sensor
• ATF temperature sensor
• Transfer clutch
• Transfer valve
• Transfer duty solenoid
• ATF deterioration
• Harness
• HOLD switch
• TCM
• Front vehicle speed sensor
• FWD switch
• Throttle position sensor
• ATF temperature sensor
• Control valve
• Transfer clutch
• Transfer valve
• Transfer pipe
• Transfer duty solenoid
• TCM
• FWD switch
• Transfer clutch
• Transfer valve
• Transfer duty solenoid
• Select cable
• Select lever
• Detente spring
• Manual plate