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:
On-vehicle inspection
Check camshaft timing oil control valve
assembly
Check the operation.
Connect the intelligent tester to the dlc3.
Turn the ignition switch on.
Turn the intelligent tester main switch on.
Start and warm up the engine.
Select the menu items: diagnosis /
enhanced obd ii / ...
On-vehicle inspection
Connect intelligent tester
Connect the intelligent tester to the dlc3.
Start the engine and idle it.
Select the active test mode on the intelligent tester.
Hint:
Please refer to the intelligent tester operator's
manual for further details.
Check actuator motor operation
...
Data list / active test
Hint:
Using the intelligent tester's data list allows switch, sensor,
actuator and other item values to be read without removing
any parts. Reading the data list early in troubleshooting is
one way to save time.
Data list for occupant classification ecu
Connect the intelligent test ...
