Toyota RAV4 (XA40) 2013-2018 Service Manual: Drl relay circuit
Description
The main body ecu controls the daytime running light no. 2 Relay (marking:
drl no.2).
Wiring diagram

Inspection procedure
- Inspect daytime running light relay (marking: drl no. 2, Drl no. 3,
Drl no. 4)

- Remove the no. 2 Relay, no. 3 Relay and no. 4 Relay from
the engine room no. 2 Relay block.
- Measure the resistance of the relays.
Standard resistance:
No. 2, No. 4 
No. 3 
- Inspect fuse (head lh)
- Remove the head lh fuse from the engine room no. 2
Relay block.
- Measure the resistance of the fuse.
Standard resistance:
below 1 

- Inspect headlight bulb (high)

- Remove the headlight bulb (high).
- Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, then check that
the bulb illuminates.

- Check wire harness (battery - no. 2 Daytime running light relay)

- Remove the no. 2 Daytime running light relay from the
engine room no. 2 Relay block.
- Measure the voltage of the relay block.
Standard voltage 

- Check wire harness (no. 2 Daytime running light relay - headlight
bulb and body ground)

- Remove the no. 2 Daytime running light relay from the
engine room no. 2 Relay block.
- Disconnect the a14 and a22 headlight (high)
connectors.
- Measure the resistance of the wire harness side
connectors and relay block.
Standard resistance 

- Check wire harness (main body ecu - battery)

- Disconnect the e16 main body ecu connector.
- Measure the voltage of the wire harness side connector.
Standard voltage 

Replace instrument panel junction block (main body ecu)
Description
When the light control switch, located on the headlight dimmer switch, is
turned to the head position, the
head relay illuminates the headlights.
Wiring diagram
Inspection proced ...
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
I ...
Other materials:
If your vehicle needs to be
towed
If towing is necessary, we
recommend having your
vehicle towed by your
Toyota dealer or commercial
towing service, using a
wheel-lift type truck or flatbed
truck.
Use a safety chain system
for all towing, and abide by
all state/provincial and local
laws.
Situations when it is necessary
to contact d ...
Dtc check / clear
Check dtc
Hint:
When dtc b1650/23 is detected as a result of
troubleshooting for the airbag system, troubleshoot
the occupant classification system.
Use the intelligent tester (with can vim) to read and
clear dtcs, otherwise the dtcs cannot be read and
cleared.
Connect ...
Luggage compartment features
Cargo hooks
Raise the hook to use.
The cargo hooks are provided for
securing loose items.
WARNING
â– When cargo hooks are not in
use
To avoid injury, always return the
hooks to their stowed positions
when not in use.
Deck board
â– Flipping the deck board
upside down
The deck board can be flipped
...