SYSTEM DESCRIPTION 1. GENERAL (a) By operating the seat heater switch, which is located in the air conditioning control assembly, the temperature is controlled to 3 settings.
(b) Whether the seat heater is on or off can be determined by checking if the indication is located in air conditioning control assembly. (c) The seat heaters of both seats are controlled by the seat heater switches, which are located on the air conditioning control assembly. |
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 ...
