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:
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) The vehicle ECUs use ISO 15765-4 communication protocol. The terminal arrangement
of the DLC3 complies with ISO 15031-3 and matches the ISO 15765-4 format.
Terminals No. (Symbols)
Terminal Description
Condition
Spe ...
Hydraulic Test
HYDRAULIC TEST
1. PERFORM HYDRAULIC TEST
(a) Measure the line pressure.
CAUTION:
The line pressure test should always be performed with at least 2 people. One
person should observe the condition of the wheels and wheel chocks while the other
is performing the test.
NOTICE:
Perform ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
