Toyota Tacoma (2015-2018) Service Manual: Air Conditioning System(for Manual Air Conditioning System)

Back-up Power Source Circuit

DESCRIPTION The back-up power source circuit for the air conditioning amplifier assembly is shown below. Power is supplied even when the ignition switch is off. The power is used for diagnostic t ...

Parts Location

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Other materials:

Check Bus 3 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 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 ...

Driver Side Seat Heater does not Operate
DESCRIPTION When the seat heater switch on the air conditioning control assembly is operated, the air conditioning amplifier assembly receives the signal. The air conditioning amplifier assembly receives the signal and operates the front seat heater. WIRING DIAGRAM CAUTION / NOTICE / HINT ...

Motor Power Supply Voltage Circuit (C142B-C146D)
DESCRIPTION The motor relay and motor fail-safe relay are built into the brake actuator assembly. During ABS, TRAC, VSC, or brake assist operation, the skid control ECU (brake actuator assembly) turns on the motor relay to run the pump motor in the brake actuator assembly. When a motor system ...