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.
2003 Subaru Outback F6-3.0LFACTORY OEM SERVICE PROCEDURE
Keyless Entry Transmitter Battery: Testing and Inspection
Keyless Transmitter
INSPECTION
TRANSMITTER BATTERY
Measure the voltage between battery (+) terminal and (-) terminal.
NOTE:
- Battery discharge occurs during measurement. Complete the 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 CR1620 or equivalent.)
INSPECTION
TRANSMITTER BATTERY
Measure the voltage between battery (+) terminal and (-) terminal.
NOTE:
- Battery discharge occurs during measurement. Complete the 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 CR1620 or equivalent.)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.