Toyota RAV4 manuals

Toyota Sienna Service Manual: Cooling fan ecu

ON-VEHICLE INSPECTION

1. INSPECT COOLING FAN ECU

INSPECT COOLING FAN ECU

(a) Inspect the input voltage.

(1) Disconnect the cooling fan ECU connector.

(2) Turn the ignition switch to the ON position.

Check the voltage of the +B terminal of the disconnected wire harness side connector.

Standard voltage: 9 to 14 V

If the result is not as specified, inspect the power source system (fusible link, fuse, wire harness and relay).

(b) Inspect the cooling fan motor (See page CO-19).

(c) Measure the resistance between terminals RFC (ECM) and SI (cooling fan ECU) of the wire harness side connectors.V

HINT:

(d) Inspect the ECM power source circuit and ground circuit.

Cooling fan motor
On-vehicle inspection 1. No. 1 Cooling fan motor (A) check that the motor turns smoothly when the battery is connected to the fan motor connector. (B) measure the current while the motor is ...

Cooling fan relay
On-vehicle inspection 1. Cooling fan relay (a) Remove the relay from engine room relay block No. 1. (b) Measure the resistance of the relay. Standard resistance If the result is not as ...

Other materials:

Third outside seats
To use Pull the head restraints up. To fold Press the button Removing the head restraints Front and second outside seats Pull the head restraint up while pressing the lock release button. Second center* and third center seats Pull the head restraint up while pressi ...

Installation
1. INSTALL STARTER ASSEMBLY (a) Install the starter with the 2 bolts. Torque: 37 N*m (380 kgf*cm, 26 ft.*lbf) for bolt (b) Connect the starter connector. (c) Install the terminal nut and cover the nut with the cap. Torque: 9.8 N*m (100 kgf*cm, 7 ft.*lbf) for nut 2. INSTALL NO. 1 ...

Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION When the A/C amplifier is turned on, a magnetic clutch ON signal is sent from the MGC terminal of the A/ C amplifier. Then, the MG CLT relay turns on to operate the magnetic clutch. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK CAN COMMUNICATION SYSTEM (a) Use the intelligent t ...

В© 2011-2022 Copyright www.tsienna.net