B3109
DTC B3109
CIRCUIT DESCRIPTION
The LOW battery detection is handled inside the transmitter. The transmitter sends a battery condition signal to the remote control door lock receiver (RCDLR) when the transmitter buttons are pressed.
DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B3109 Keyless Entry Transmitter (Single or 1) Low Battery
CONDITIONS FOR SETTING THE DTC
This code shall be set after 3 consecutive low battery signals from the same programmed transmitter.
CONDITIONS FOR CLEARING THE DTC
This code is cleared as current when a normal transmitter voltage signal is received from any programmed transmitter.
TEST DESCRIPTION
Step 1 - Step 8:
The numbers below refer to the step numbers on the diagnostic table.
3. This step identifies the key fob # (transmitter) with a low battery signal.
4. This step verifies that the battery replacement corrected the fault.