Toyota 4Runner: Air Conditioning System(for Manual Air Conditioning System)
Toyota 4Runner Service Manual / Vehicle Interior / Heating / Air Conditioning / Air Conditioning System(for Manual Air Conditioning System)
- Parts Location
- Precaution
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Diagnosis System
- Terminals Of Ecu
- Data List / Active Test
- Dtc Check / Clear
- Ambient Temperature Sensor Circuit (B1412)
- Diagnostic Trouble Code Chart
- Compressor Lock Sensor Circuit (B1422)
- Lost Communication with ECM (U0100,U0142,U0155)
- Air Outlet Damper Control Servo Motor Circuit (B1443)
- Communication Malfunction (Bus Ic) (B1497)
- Air Inlet Damper Control Servo Motor Circuit (B1442)
- Evaporator Temperature Sensor Circuit (B1413)
- Air Mix Damper Control Servo Motor Circuit (Passenger Side) (B1441)
- Air Conditioning Control Panel Circuit
- Air Conditioning Compressor Magnetic Clutch Circuit
- Generator Signal Circuit
- PTC Heater Circuit
- Back-up Power Source Circuit
- IG Power Source 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 after the ignition switch is turned off and
is used for diagnostic ...
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Other materials about Toyota 4Runner:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK CERTIFICATION ECU
(a) Disconnect the F79 certification ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Ter ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE WINDSHIELD WASHE ...
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