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 MANUALSSUBARU2002LEGACY L SEDAN AWD F4-2.5L SOHCREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSKEYLESS ENTRYKEYLESS ENTRY TRANSMITTERKEYLESS ENTRY TRANSMITTER BATTERYTESTING AND INSPECTION
2002 Subaru Legacy L Sedan AWD F4-2.5L SOHC
Keyless Entry Transmitter Battery: Testing and Inspection
2002 Subaru Legacy L Sedan AWD F4-2.5L SOHCSECTION Testing and Inspection
INSPECTION
TRANSMITTER BATTERY
Measure voltage between battery (+) terminal and (-) terminal.
NOTE:
- Battery discharge occurs during measurement. Complete measurement within 5 seconds.
- During battery voltage measurement, voltage falls more than 1.8 volts in 3 seconds period.
If NG, replace the battery. (Use CR2032 or equivalent.)
TRANSMITTER BATTERY
Measure voltage between battery (+) terminal and (-) terminal.
NOTE:
- Battery discharge occurs during measurement. Complete measurement within 5 seconds.
- During battery voltage measurement, voltage falls more than 1.8 volts in 3 seconds period.
If NG, replace the battery. (Use CR2032 or equivalent.)
RENDER: 1.0x
NO RELATED
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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.