4AT(diag)-88
Diagnostics with Phenomenon
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Shock occurs when accelerator pedal is released from medium
speed.
• TCM
• Accelerator pedal position sensor
• ATF temperature sensor
• Line pressure linear solenoid
• Control valve
• Lock-up damper
• Engine performance
Vibration occurs during straight-forward operation.
• TCM
• Lock-up duty solenoid
• Lock-up facing
• Lock-up damper
Vibration occurs during turns. (Tight corner braking phenomenon)
• TCM
• Front vehicle speed sensor
• Rear vehicle speed sensor
• Accelerator pedal position sensor
• ATF temperature sensor
• Transfer clutch
• Transfer valve
• Transfer duty solenoid
• ATF deterioration
• Harness
Front wheel slippage occurs during standing starts.
• TCM
• Front vehicle speed sensor
• Accelerator pedal position sensor
• ATF temperature sensor
• Control valve
• Transfer clutch
• Transfer valve
• Transfer pipe
• Transfer duty solenoid
It is not set in FWD mode.
• TCM
• Transfer clutch
• Transfer valve
• Transfer duty solenoid
• Fuse
Select lever is hard to move.
• Select cable
• AT select lever
• Detent spring
• Manual plate
Select lever is excessively hard to move. (Unreasonable resistance)
• Detent spring
• Manual plate
Select lever slips out of selected shift position during acceleration or
while driving on rough terrain.
• Select cable
• AT select lever
• Detent spring
• Manual plate
Manual mode can not be set.
• SPORT/manual mode switch
• TCM
• Body integrated unit
Gear does not change though the select lever is operated in manual
mode.
• Up shift switch
• Down shift switch
• TCM
• Body integrated unit
AWD warning light remains blinking or illuminated.
• Tire size
• Tire pressure
• TCM
• FWD fuse holder
• Harness
Symptom
Problem parts
Summary of Contents for 2009 IMPREZA
Page 18: ...PC 4 Precaution PRECAUTION...
Page 21: ...NT 4 Note NOTE Lift Rigid rack A Attachment NT 00241 A A Attachment NT 00242 A...
Page 23: ...NT 6 Note NOTE A Front B Rear 1 Front crossmember 2 Rear differential 1 2 A B NT 00210...
Page 66: ...PI 22 Pre delivery Inspection PRE DELIVERY INSPECTION...
Page 112: ...PM 48 A C Filter PERIODIC MAINTENANCE SERVICES...
Page 219: ...IN H4SO 10 Resonator Chamber INTAKE INDUCTION...
Page 324: ...ME H4SO 106 Engine Noise MECHANICAL...
Page 388: ...SP H4SO 6 Accelerator Pedal SPEED CONTROL SYSTEMS...
Page 395: ...IG H4SO 8 Spark Plug Cord IGNITION...
Page 418: ...SC H4SO 24 Battery STARTING CHARGING SYSTEMS...
Page 725: ...EN H4SO diag 308 General Diagnostic Table ENGINE DIAGNOSTICS...
Page 926: ...GD H4SO 202 Diagnostic Trouble Code DTC Detecting Criteria GENERAL DESCRIPTION...
Page 1181: ...EX H4DOTC 16 Muffler EXHAUST...
Page 1212: ...CO H4DOTC 32 Engine Cooling System Trouble in General COOLING...
Page 1221: ...IG H4DOTC 8 Ignition Coil IGNITION...
Page 1818: ...GD H4DOTC 230 Diagnostic Trouble Code DTC Detecting Criteria GENERAL DESCRIPTION...
Page 2154: ...5MT 82 General Diagnostic Table MANUAL TRANSMISSION AND DIFFERENTIAL...
Page 2227: ...RS 20 General Diagnostic Table REAR SUSPENSION...
Page 2364: ...DS 36 General Diagnostic Table DRIVE SHAFT SYSTEM...
Page 2615: ...BR 48 General Diagnostic Table BRAKE...
Page 2624: ...PB 10 General Diagnostic Table PARKING BRAKE...
Page 2681: ...PS 58 General Diagnostic Table POWER ASSISTED SYSTEM POWER STEERING...
Page 2730: ...AC 50 General Diagnostic Table HVAC SYSTEM HEATER VENTILATOR AND A C...
Page 2961: ...SB 22 Rear Seat Belt SEAT BELT SYSTEM...
Page 3035: ...COM 6 Horn Switch COMMUNICATION SYSTEM...
Page 3070: ...GW 36 Wiper Deicer System GLASS WINDOWS MIRRORS...
Page 3092: ...IDI 22 Clock INSTRUMENTATION DRIVER INFO...
Page 3158: ...SL 54 Immobilizer Antenna SECURITY AND LOCKS...
Page 3167: ...SR 10 Sunshade SUNROOF T TOP CONVERTIBLE TOP SUNROOF...
Page 3240: ...EI 74 Ornament EXTERIOR INTERIOR TRIM...
Page 3286: ...CC 12 Neutral Position Switch CRUISE CONTROL SYSTEM...
Page 3311: ...CC diag 26 Diagnostic Procedure with Cancel Code CRUISE CONTROL SYSTEM DIAGNOSTICS...
Page 3421: ...LAN diag 88 General Diagnostic Table LAN SYSTEM DIAGNOSTICS...
Page 3486: ...WI 67 Remote Engine Start System WIRING SYSTEM...