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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 293 (INTRODUCTION)PRECAUTIONS FOR ALL OF VEHICLESSPECIAL NOTES FOR VEHICLE INSPECTION

2004 Toyota Celica GT, Standard

Special Notes For Vehicle Inspection

2004 Toyota Celica GT, StandardSECTION Special Notes For Vehicle Inspection

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

VEHICLE CONDITIONS
1. Before activating the service mode, turn the air conditioner off, start the engine with the shift lever at P position, and check that the engine stops within several seconds after starting. (Engine warm up check).
2. Activate the service mode and inspect the vehicle. The shift position for each test is as described in Fig 1.
  
  Fig 1: Shift Position Testing Procedure
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Reset the service mode immediately after completion of inspection.
  CAUTION: Traveling on a road without resetting the service mode may damage the transaxle.
SPECIAL NOTES FOR SPEEDOMETER TEST
1. Depress the accelerator pedal slowly, and gradually accelerate at the time of measurement.
  CAUTION: Rapid starting or quick acceleration/deceleration based on the speedometer tester without load setting may damage the transaxle.
2. After the measurement, use the brake to decelerate gradually and stop.
Special note for using the chassis dynamometer. Always set an appropriate load before starting the test.
CAUTION: Rapid starting or quick acceleration/deceleration with insufficient load may damage the transaxle.

RENDER: 1.0x

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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.