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 142 (KEYLESS ENTRY SYSTEMS)COMPONENT TESTSREMOTE TRANSMITTER BATTERY CHECK
2004 Toyota Celica GT, Standard
Remote Transmitter Battery Check
2004 Toyota Celica GT, StandardSECTION Remote Transmitter Battery Check
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- Remove battery from remote transmitter. See REMOTE TRANSMITTER BATTERY REPLACEMENT under REMOVAL & INSTALLATION. Place a jumper wire on negative (bottom) terminal of remote transmitter and install battery with positive side facing up. See STEP 1 of Fig 1.
- Using a DVOM, connect negative lead to jumper wire and place positive lead on positive terminal (top) of battery. See STEP 2 of Fig 1. Press and hold any button on remote transmitter for one second to place an electrical load on battery. Again press any button on remote transmitter and note voltage reading. If voltage is 2.1 volts or more, battery is okay. If voltage is not 2.1 volts or more, replace battery. See REMOTE TRANSMITTER BATTERY REPLACEMENT under REMOVAL & INSTALLATION.
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.