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.