DIAGNOSIS SYSTEM DESCRIPTION (a) The transponder key ECU assembly controls the engine immobiliser system. Engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). CHECK DLC3 (a) Check the DLC3. Click here INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery. |
Toyota Tundra Owners Manual > Do-it-yourself maintenance: Wireless remote control
battery
Replace the battery with a new one if it is depleted. You will need the following items: Flathead screwdriver Small flathead screwdriver Lithium battery CR2016 Replacing the battery 1. Remove the cover. To prevent damage to the key, cover the tip of the screwdriver with a rag. To prevent the button ...
