REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH for Double Cab: (See page for CrewMax: (See page 2. REMOVE COWL SIDE TRIM BOARD LH
3. REMOVE INSTRUMENT SIDE PANEL LH
4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH
5. REMOVE AUTO HIGH BEAM SWITCH 
(a) Detach the 2 claws and remove the auto high beam switch from the lower instrument panel finish panel sub-assembly LH. |
Toyota Tundra Service Manual > Can Communication System: Check Bus 3 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus wires and +B when no resistance exists between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and terminal 4 ...
