Toyota Tacoma (2015-2018) Service Manual: Air Conditioning System(for Automatic Air Conditioning System)
- Parts Location
- Precaution
- System Diagram
- Customize Parameters
- How To Proceed With Troubleshooting
- System Description
- Diagnosis System
- Problem Symptoms Table
- Terminals Of Ecu
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Dtc Check / Clear
- Lost Communication with Front Panel LIN (B14B2)
- Air Mix Damper Control Servo Motor Circuit (Driver Side) (B1446/46)
- Air Mix Damper Position Sensor Circuit (Passenger Side) (B1431/31)
- Air Inlet Damper Position Sensor Circuit (B1432/32)
- Lost Communication with ECM (U0100,U0142,U0155)
- Air Outlet Damper Control Servo Motor Circuit (B1443/43)
- Air Outlet Damper Position Sensor Circuit (B1433/33)
- Air Mix Damper Position Sensor Circuit (Driver Side) (B1436/36)
- Air Inlet Damper Control Servo Motor Circuit (B1442/42)
- Room Temperature Sensor Circuit (B1411/11)
- Air Mix Damper Control Servo Motor Circuit (Passenger Side) (B1441/41)
- Ambient Temperature Sensor Circuit (B1412/12)
- Evaporator Temperature Sensor Circuit (B1413/13)
- Compressor Lock Sensor Circuit (B1422/22)
- Air Conditioning Compressor Magnetic Clutch Circuit
- Pressure Sensor Circuit (B1423/23)
- Blower Motor Circuit
- IG Power Source Circuit
- PTC Heater Circuit
- Back-up Power Source Circuit
Removal
REMOVAL
PROCEDURE
1. REMOVE REFRIGERANT FROM REFRIGERATION SYSTEM
2. REMOVE AIR CONDITIONER PRESSURE SENSOR
(a) Disconnect the connector.
...
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Other materials:
Vehicle Speed Sensor Circuit (C1AA3)
DESCRIPTION
The forward recognition camera receives vehicle speed signals from the skid control
ECU. If the skid control ECU receives a vehicle speed sensor malfunction signal,
it informs the forward recognition camera via CAN communication, and DTC C1AA3 is
stored.
DTC No.
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT RADIATOR CAP SUB-ASSEMBLY
CAUTION:
Do not remove the radiator cap sub-assembly while the engine and radiator assembly
are still hot. Pressurized, hot engine coolant and steam may be released and cause
serious burns.
(a) Measure the valve opening pr ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signals
Communication Method
ECM
Skid control ECU
Throttle position signal
Engine speed signal
Accelerator pedal position ...
