Toyota RAV4 (XA40) 2013-2018 Service Manual: Refrigerant

Ig power source circuit

Description This is the main power source supplied to the air conditioning amplifier when the ignition switch is on. This power source is used for operating components, such as the air condition ...

On-vehicle inspection

Inspect refrigerant pressure with manifold gauge set This method uses a manifold gauge set to locate problem areas. Read the manifold gauge pressure when these conditions are establishe ...

Other materials:

Ecm power source circuit
Description When the ignition switch is turned on, the battery voltage is applied to the igsw of the ecm. The output signal from the mrel terminal of the ecm causes a current to flow to the coil, closing the contacts of the integration relay (efi main relay) and supplying power to either term ...

Multiplex communication circuit
Description The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system. Wiring diagram Inspection procedure Check dtc Clear the dtc (see page ac-127). Read the dtc (see page ac-127). Result Go to can ...

Registration
In case of tire pressure warning ecu replacement Read id stored in the old ecu using the intelligent tester. In case of tire pressure warning valve and transmitter and/or tire pressure warning ecu replacement Read the id written on the tire pressure monitor valve. ...