Keyless Entry Transmitter Battery: Service and Repair

WIRELESS DOOR LOCK CONTROL ECU AND TRANSMITTER REPLACEMENT

Note: Disassembly and assembly of the transmitter includes details of spare parts and replacement procedure for defective parts found through troubleshooting. Each part is a precision electronic component so handle with care.






1. SPARE PARTS AND REPLACEMENT PROCEDURE FOR MALFUNCTIONING PARTS:

For malfunctioning transmitter:

(a) Prepare a new battery.
(b) Registration of recognition code.
(c) Check that the door lock remote control operation works.







For malfunctioning battery:

(a) Prepare a new battery.
(b) Remove the battery from transmitter.
(c) Install a new battery into transmitter.
(d) Check that the door lock remote control operation works.







For malfunctioning ECU:

(a) Prepare a new ECU.
(b) Remove the battery from transmitter.
(c) Install a new ECU in the vehicle.
(d) Registration of recognition code.
(e) Check that the door lock remote control operation works.










2. REPLACE BATTERY FOR TRANSMITTER

(a) Using a screwdriver, twist (turn) the screwdriver to remove the cover.
(b) Remove the battery
(c) Set a new battery into the transmitter.
(d) Install the cover to the transmitter.