Subaru IMPREZA GD 2007 Series Manual page 2728

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15.General Diagnostic Table
A: INSPECTION
Symptom
Starter does not operate when select lever is in "P" or "N"
range. Starter rotates when select lever is in "R", "D", "3" or "2"
range.
Abnormal noise when select lever is in "P" or "N".
Hissing noise occurs during standing start.
Noise occurs while driving in "D1".
Noise occurs while driving in "D2".
Noise occurs while driving in "D3".
Noise occurs while driving in "D4".
Engine stalls while shifting from "1" range to another.
Vehicle moves when select lever is in "N" range.
Shock occurs when the select lever is moved from "N" to "D"
range.
Excessive time lag occurs when the select lever is moved from
"N" to "D" range.
Shock occurs when the select lever is moved from "N" to "R"
range.
General Diagnostic Table
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
• Inhibitor switch
• Select cable
• Select lever
• Starter motor and harness
• Strainer
• Transfer duty solenoid
• Oil pump
• Drive plate
• ATF level too high or too low
• Strainer
• ATF level too high or too low
• Final gear
• Planetary gear
• Reduction gear
• Differential gear oil level too high or too low
• Final gear
• Low & reverse brake
• Reduction gear
• Differential gear oil level too high or too low
• Final gear
• Low & reverse brake
• Planetary gear
• Reduction gear
• Differential gear oil level too high or too low
• Control valve
• Lock-up damper
• Engine performance
• Input shaft
• Select cable
• Inhibitor switch
• TCM
• Low clutch
• Accelerator pedal position sensor
• ATF temperature sensor
• Line pressure linear solenoid
• Low clutch duty solenoid
• Low clutch
• TCM
• Harness
• Control valve
• ATF deterioration
• Control valve
• Low clutch
• Line pressure linear solenoid
• Seal ring
• Front gasket of transmission case
• Accelerator pedal position sensor
• ATF temperature sensor
• Line pressure linear solenoid
• TCM
• Harness
• Control valve
• ATF deterioration
4AT(D)(diag)-89
Problem parts