Toyota RAV4 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 ...

Torque converter clutch solenoid performance (shift solenoid valve dsl)
Description The ecm uses the signals from the throttle position sensor, air-flow meter, turbine (input) speed sensor, intermediate (counter) shaft speed sensor and crankshaft position sensor to monitor the engagement condition of the lock-up clutch. Then the ecm compares the engagement ...

Disassembly
Remove idler pulley (see page em-23) Remove oil dipstick Remove oil dipstick guide (see page em-57) Remove manifold stay (see page em-57) Remove no. 2 Manifold stay (see page em-58) Remove no. 1 Exhaust manifold heat insulator (see page em-58) Remove exhaust manifold converter subas ...