Toyota RAV4 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:
System description
Brief description
The can (controller area network) is a serial data
communication system for real time application. It is
a vehicle multiplex communication system which
has a high communication speed (500 kbps) and
the ability to detect malfunctions.
By pairing the canh and canl ...
Disassembly
Remove park/neutral position switch assembly
Remove the nut, washer and control shaft lever.
Using a screwdriver, pry off the lock plate.
Remove the nut and lock plate.
Remove the 2 bolts and pull out the switch.
Remove breather plug hose
Remove oil coo ...
Headlight (hi-beam) circuit
Description
The body ecu controls the headlight relay, no. 2 Daytime running light relay
(marking: drl no. 2) And
no. 4 Daytime running light relay (marking: drl no. 4).
Wiring diagram
Inspection procedure
Perform active test by intelligent tester
Connect the intelligent test ...