Subaru IMPREZA GD 2007 Series Manual page 2730

asieps_tobira_IM_US.book 91 ページ ２０１２年１月１７日 火曜日 午後３時４８分
Symptom
No shift occurs from 1st to 2nd gear.
No shift occurs from 2nd to 3rd gear.
No shift occurs from 3rd to 4th gear.
Engine brake does not come into effect when the select lever is
shifted to "3" range.
Engine brake is not effected when the select lever is in "3" or "2"
range.
Engine brake does not come into effect when the select lever is
shifted to "1" range.
Shift characteristics are erroneous.
No lock-up occurs.
Parking brake does not function.
Shift lever cannot be moved or is hard to move from "P" range.
ATF spurts out.
Differential oil spurts out.
Differential oil level changes excessively.
Odor is produced from ATF supply pipe.
Shock occurs when shifting from 1st to 2nd gear.
General Diagnostic Table
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
• TCM
• Rear vehicle speed sensor
• Front vehicle speed sensor
• Accelerator pedal position sensor
• Control valve
• 2-4 brake
• TCM
• Control valve
• High clutch
• TCM
• ATF temperature sensor
• Control valve
• 2-4 brake
• Inhibitor switch
• TCM
• Accelerator pedal position sensor
• Control valve
• Control valve
• Control valve
• Low & reverse brake
• Inhibitor switch
• TCM
• Front vehicle speed sensor
• Rear vehicle speed sensor
• Accelerator pedal position sensor
• Control valve
• Ground
• TCM
• Accelerator pedal position sensor
• ATF temperature sensor
• Control valve
• Lock-up facing
• Engine speed signal
• Select cable
• Select lever
• Parking mechanism
• ATF level too high
• Differential gear oil level too high
• Seal pipe
• Double oil seal
• High clutch
• 2-4 brake
• Low & reverse clutch
• Reverse clutch
• Lock-up facing
• ATF deterioration
• TCM
• Torque converter turbine speed sensor
• Accelerator pedal position sensor
• 2-4 brake duty solenoid
• ATF temperature sensor
• Line pressure linear solenoid
• Control valve
• 2-4 brake
• ATF deterioration
• Engine performance
• Low & reverse duty solenoid
4AT(D)(diag)-91
Problem parts