Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Component Tests and General Diagnostics

Keyless Transmitter

INSPECTION

1. KEYLESS TRANSMITTER BATTERY
Check the keyless transmitter battery voltage.

Preparation tool: Circuit tester

NOTE: Complete the measurement within 5 seconds because the battery discharges during measurement.






Replace the battery if the inspection result is not within the standard value. (Use CR1620 or equivalent.)