Toyota RAV4 Service Manual: Light control switch circuit
Description
This circuit detects the state of the headlight dimmer switch.
Wiring diagram
Inspection procedure
- Read value of intelligent tester (main body ecu)
- Connect the intelligent tester to the dlc3.
- Turn the ignition switch on and press the intelligent tester main switch on.
- Select the items below in the data list, and read the displays on the intelligent tester.
Ok: on is displayed on the intelligent tester screen.
- Inspect headlight dimmer switch
- Remove the headlight dimmer switch.
- Measure the resistance of the switch.
Standard resistance
- Check wire harness (main body ecu - dimmer switch and body ground)
- Disconnect the e12 headlight dimmer switch connector.
- Disconnect the ie and ij instrument panel junction block connectors.
- Disconnect the e15 and e17 main body ecu connectors.
- Measure the resistance of the wire harness side connectors.
Standard resistance
Replace instrument panel junction block (main body ecu)
Back-up light circuit
Description
The park / neutral position switch turns on when the shift lever is moved
into the r position, causing the
back-up lights to illuminate.
Wiring diagram
Inspection procedure
I ...
Door courtesy switch circuit
Description
The main body ecu detects the condition of the door courtesy switch.
Wiring diagram
Inspection procedure
Read value of intelligent tester (door courtesy light switch)
Conn ...
Other materials:
Refueling
Vehicle features and
options
This chapter describes all standard, country-specific
and optional features offered with the series.
It also describes features and functions that are
not necessarily available in your vehicle, e.g., due
to the selected options or country versions. This
also applies to ...
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 ( ...
Pressure sensor circuit
Description
This dtc is output when the refrigerant pressure is either extremely low
(0.19 Mpa [2.0 Kgf/cm2, 28 psi]
or less) or extremely high (3.14 Mpa [32.0 Kgf/cm2, 455 psi] or more). The air
conditioning pressure
sensor, which is installed on the pipe of the high pressure side, detec ...
