Toyota Tacoma (2015-2018) Service Manual: Air Conditioning System(for Manual Air Conditioning System)
- Parts Location
- Precaution
- How To Proceed With Troubleshooting
- System Description
- System Diagram
- Problem Symptoms Table
- Diagnosis System
- Dtc Check / Clear
- Terminals Of Ecu
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Ambient Temperature Sensor Circuit (B1412)
- Pressure Sensor Circuit (B1423)
- Lost Communication with ECM (U0100,U0142,U0155)
- Air Conditioning Compressor Magnetic Clutch Circuit
- Evaporator Temperature Sensor Circuit (B1413)
- Compressor Lock Sensor Circuit (B1422)
- PTC Heater Circuit
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
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Other materials:
PTC Heater Circuit
DESCRIPTION
PTC HTR heater relays are closed in accordance with signals from the air conditioning
amplifier assembly and power is supplied to the quick heater assembly installed
on the radiator heater unit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits rela ...
Adjustment
ADJUSTMENT
CAUTION / NOTICE / HINT
HINT:
Use the same procedures for both the LH and RH sides.
The procedure described below is for the LH side.
Centering bolts are used to mount the door hinge to the vehicle body
and door. The door cannot be adjusted with the centering bolts ...
Downhill Assist Control system
The downhill assist control system helps to prevent excessive speed on steep
downhill descents.
■ System operation
The system will operate when the vehicle is traveling under 15 mph (25 km/h)
and the front-wheel drive control switch is in the L4 position.
Press the DAC switch. The ind ...
