Check Keyless Transmitter Battery And Function

CAUTION: Be sure to reset keyless transmitter of other vehicles registered to the inspection target vehicle, and vehicles to which keyless transmitters were registered for inspection, to the condition before performing the inspection. (Re-register the keyless transmitters.)

Step	Check	Yes	No
1 CHECK KEYLESS TRANSMITTER BATTERY. Remove the battery from the keyless transmitter. Refer to REMOVAL . Check the battery voltage. Refer to INSPECTION .	Is the voltage 2.5 V or more?	Go to step 2 .	Replace the keyless transmitter battery. Refer to KEYLESS TRANSMITTER .
2 CHECK KEYLESS TRANSMITTER. Register the keyless transmitter which operates normally on other vehicles to the inspection target vehicle. Refer to KEYLESS TRANSMITTER REGISTRATION . Close all the doors and trunk lid or rear gate of inspection target vehicle. Using the keyless transmitter, lock and unlock the doors and trunk lid or rear gate of vehicle.	Can the check vehicle be locked and unlocked properly?	Go to step 3 .	Due to vehicle malfunction, continue the keyless entry system diagnosis.
3 CHECK KEYLESS TRANSMITTER. Register the keyless transmitter of the inspected vehicle to another vehicle whose keyless system operates normally. Refer to KEYLESS TRANSMITTER REGISTRATION .	Is the keyless transmitter registered correctly?	Go to step 4 .	Replace the keyless transmitter. Refer to KEYLESS TRANSMITTER REGISTRATION .
4 CHECK KEYLESS TRANSMITTER. Check the registered keyless transmitter. Close all the doors and trunk lid or rear gate of the vehicle which keyless system operates normally. Press the LOCK/UNLOCK button of the keyless transmitter.	Does the vehicle operate lock and unlock normally?	Keyless transmitter is OK.	Replace the keyless transmitter. Refer to KEYLESS TRANSMITTER REGISTRATION .