REMOVAL PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work. Click here 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Click here 3. REMOVE LOWER NO. 2 STEERING WHEEL COVER Click here 4. REMOVE LOWER NO. 3 STEERING WHEEL COVER Click here 5. REMOVE STEERING PAD Click here 6. REMOVE STEERING PAD SWITCH ASSEMBLY (a) Disconnect each connector.
(b) Remove the 4 screws.
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Toyota Tundra Service Manual > Can Communication System: Check Bus 1 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and termina ...