Toyota RAV4 (XA40) 2013-2018 Service Manual: Headlight relay circuit
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 procedure
- Perform active test by intelligent tester (headlight)
- Connect the intelligent tester (with can vim) to the
dlc3.
- Turn the ignition switch on and press the intelligent
tester main switch on.
- Select the item below in the active test and then
check the relay operation.
Ok:
headlight comes on
- Inspect fuse (head ll, head rl)
- Remove the head ll fuse and head rl fuse from the
engine room no. 2 Relay block.
- Measure the resistance of the fuses.
Standard resistance:
below 1
- Inspect headlight relay (marking: head)
- Remove the headlight relay from the engine room no. 2
Relay block.
- Measure the resistance of the relay.
Standard resistance
- Inspect bulb (headlight bulb)
- Remove the headlight bulbs (low).
- Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, then check that
the bulb illuminates.
Ok:
bulb illuminates.
- Check wire harness (main body ecu - battery)
- Disconnect the e15 main body ecu connector.
- Measure the voltage of the wire harness side connector.
Standard voltage
- Check instrument panel junction block (main body ecu)
- Measure the voltage of the main body ecu.
Standard voltage
Repair or replace harness and connector (head relay - headlight bulb and
body ground)
- Check wire harness (headlight dimmer switch - main body ecu)
- Disconnect the e17 main body ecu connector.
- Disconnect the e12 headlight dimmer switch connector.
- Measure the resistance of the wire harness side
connectors.
Standard resistance
- Inspect headlight dimmer switch
- Disconnect the e12 headlight dimmer switch.
- Measure the resistance of the switch.
Standard resistance
Repair or replace harness and connector (headlight dimmer switch - body
ground)
Description
When the stop light switch is turned on, current flows to the stop lights to
illuminate them.
Wiring diagram
Inspection procedure
Inspect fuse (stop)
Remove the stop fus ...
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. ...
Other materials:
Random / multiple cylinder misfire detected
Description
When the engine misfires, high concentrations of hydrocarbons (hc) enter the
exhaust gas. Extremely
high hc concentration levels can cause increases in exhaust emission levels.
High concentrations of hc
can also cause increases in the three-way catalytic converter (twc) te ...
If a warning light turns
on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your toyota dealer.
Stop t ...
Front axle hub
Components (2005/11-2006/01)
Components (2006/01- )
On-vehicle inspection
Check front axle hub bearing
Remove the front wheel.
Disconnect the front disc brake cylinder (see page
br-40).
Remove the front disc.
Inspect the axle hub backlash.
Using a dial indicator ...