Toyota RAV4 (XA40) 2013-2018 Service Manual: Cooling fan relay
On-vehicle inspection
- Disconnect cable from negative battery terminal
Caution:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
- Remove engine room no. 2 Relay block cover
- Inspect no. 1 Fan relay (marking: fan no. 1)
- Remove the relay from the engine room no. 2 Relay block.
- measure the resistance of the relay.
Standard resistance 
If the result is not as specified, replace the relay.
- Install the relay.
- Inspect no. 2 Fan relay (marking: fan no. 2)
- Remove the relay from the engine room no. 2 Relay block.
- Measure the resistance of the relay.
Standard resistance 
If the result is not as specified, replace the relay.
- Install the relay.
- Inspect no. 3 Fan relay (marking: fan no. 3)
- Remove the relay from the engine room no. 2 Relay block.
- Measure the resistance of the relay.
Standard resistance 
If the result is not as specified, replace the relay.
- Install the relay.
- Install engine room no. 2 Relay block cover
- Connect cable to negative battery terminal
Cooling fan motor
On-vehicle inspection
Inspect no. 1 Cooling fan motor
Disconnect the no. 1 Fan connector.
Connect the battery and ammeter to the no. 1 Fan
motor connector.
Check th ...
Radiator
Components
On-vehicle inspection
Check radiator reservoir cap subassembly
Measure the valve opening pressure.
If there are water stains or foreign matter on oring
...
Other materials:
Solenoid circuit
Description
This solenoid is turned on in accordance with signals from the skid control
ecu and controls the pressure
on the wheel cylinders to control the braking force.
The solenoid and solenoid relay are built into the abs and traction actuator.
Hint:
Dtcs c0226/21, c0236/22, c02 ...
Cooling fan system
Parts location
System diagram
On-vehicle inspection
Hint:
It is normal for the cooling fan to sometimes rotate when the
ignition switch is turned from acc to on.
Check cooling fan operation at low temperatures (below 94°c (201°f))
Turn the ignition switch on with the a/c ...
Front occupant classification sensor lh circuit
malfunction
Description
The front occupant classification sensor lh circuit consists of the occupant
classification ecu and the
front occupant classification sensor lh.
Dtc b1780 is recorded when a malfunction is detected in the front occupant
classification sensor lh
circuit.
Wiring diagram
...
