Subaru Legacy 2005 Service Manual page 2559

Symptom
No shift shock occurred when shifting 2nd of "D" range → 3rd of
"D" range or "2nd of manual mode" → "3rd of manual mode". Or
clutch slipping occurred.
No shift shock occurred when shifting 3rd of "D" range → 4th of
"D" range or "3rd of manual mode" → "4th of manual mode". Or
clutch slipping occurred.
No shift shock occurred when shifting 4th of "D" range → 5th of
"D" range or "4th of manual mode" → "5th of manual mode". Or
clutch slipping occurred.
Engine skids when shifting 5th of "D" range → 4th of "D" range
or "5th of manual mode" → "4th of manual mode". Or slipping
occurred.
Engine skids when shifting 4th of "D" range → 3rd of "D" range
or "4th of manual mode" → "3rd of manual mode". Or slipping
occurred.
Engine skids when shifting 3rd of "D" range → 2nd of "D" range
or "3rd of manual mode" → "2nd of manual mode". Or slipping
occurred.
Engine skids when shifting 2nd of "D" range → 1st of "D" range
or "2nd of manual mode" → "1st of manual mode". Or slipping
occurred.
Engine brake does not function at 5th → 4th of manual mode.
Engine brake does not function at 4th → 3rd of manual mode.
General Diagnostic Table
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 5 and High & low reverse clutch solenoid
valve
• Line pressure
• CAN communication signal
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 3 and Input clutch solenoid valve
• Oil pressure switch 1 and Front brake solenoid valve
• Line pressure
• CAN communication signal
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 1 and Front brake solenoid valve
• Oil pressure switch 4 and Direct clutch solenoid valve
• Line pressure
• Accelerator pedal position sensor
• Throttle position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 1 and Front brake solenoid valve
• Oil pressure switch 4 and Direct clutch solenoid valve
• Line pressure
• Accelerator pedal position sensor
• Throttle position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 3 and Input clutch solenoid valve
• Oil pressure switch 1 and Front brake solenoid valve
• Line pressure
• Accelerator pedal position sensor
• Throttle position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 5 and High & low reverse clutch solenoid
valve
• Oil pressure switch 4 and Direct clutch solenoid valve
• Line pressure
• Accelerator pedal position sensor
• Throttle position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 4 and Direct clutch solenoid valve
• Line pressure
• Accelerator pedal position sensor
• Throttle position sensor
• Inhibitor switch
• Fluid level and condition
• Control cable adjustment
• Manual mode switch
• Oil pressure switch 1
• Down switch signal
• Inhibitor switch
• Fluid level and condition
• Control cable adjustment
• Manual mode switch
• Oil pressure switch 1 and Oil pressure switch 3
• Down switch signal
5AT(diag)-141
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Problem parts