Toyota Tundra Service Manual > Can Communication System: Check Bus 3 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the bus 3 CAN main wires and/or CAN branch wires when the resistance between terminals 6 (CA3H) and 21 (CA3L) or 19 (CAYH) and 20 (CAYL) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area *1: w/ Audio and Visual Syst ...
