Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 6 (AUTOMATIC TRANSMISSION - U240E - DIAGNOSTICS)
2004 Toyota Celica GT, Standard
Section 6 (Automatic Transmission - U240E - Diagnostics)
2004 Toyota Celica GT, StandardSECTION Section 6 (Automatic Transmission - U240E - Diagnostics)
WARNING: This page is about a different variant/trim than selected.
- How To Proceed With Troubleshooting
- Precaution
- Customer Problem Analysis Check
- Pre-Check
- Diagnostic Trouble Code Chart
- Parts Location
- Terminals Of ECM
- Problem Symptoms Table
- Circuit Inspection
- DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input)
- DTC P0710, P0712, P0713: Transmission Fluid Temperature Sensor "A" Circuit Low/High Input
- DTC P0711: Transmission Fluid Temperature Sensor "A" Performance
- DTC P0717: Turbine Speed Sensor Circuit No Signal
- DTC P0724: Brake Switch "B" Circuit High
- DTC P0741: Torque Converter Clutch Solenoid Performance (Shift Solenoid Valve DSL)
- DTC P0746, P0766, P0776: Pressure Control Solenoid "A" Performance (Shift Solenoid Valve SL1), Shift Solenoid "D" Performance (Shift Solenoid Valve S4) & Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2)
- DTC P0748, P0778, P0982, P0983: Pressure Control Solenoid "A-C" Electrical (Shift Solenoid Valve SL1-SL3)
- DTC P0793: Intermediate Shaft Speed Sensor "A"
- DTC P2716: Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT)
- DTC 2769, 2770: Torque Converter Clutch Solenoid Circuit Low/High (Shift Solenoid Valve DSL)
- O/D Main Switch & O/D OFF Indicator Light Circuit
- Transmission Shift Switch Circuit
- E-Shift Main Switch Circuit
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.