Toyota RAV4 (XA40) 2013-2018 Service Manual: 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)
- Connect the intelligent tester (with can vim) to the dlc3.
- Turn the ignition switch to the on position 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: condition sign can be displayed.
- Inspect courtesy light switch
- Remove the door courtesy light switch.
- Measure the resistance of the switch.
Standard resistance:
front lh, front rh, rear lh, rear rh, back door
- Check wire harness (main body ecu - courtesy light switch)
- Connect the courtesy light switch.
- Disconnect the ia, ic and id instrument panel junction block connectors.
- Disconnect the e15 main body ecu connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance:
Front door lh 
Front door rh 
Rear door rh 
Rear door lh 
Back door 
Replace instrument panel junction block (main body ecu)
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 ...
Door lock position circuit
Description
This circuit detects the state of the door lock detection sensor and sends it
to the main body ecu.
Wiring diagram
Inspection procedure
Read value of intelligent tester (door ...
Other materials:
Utility vehicle precautions
This vehicle belongs to the
utility vehicle class, which
has higher ground clearance
and narrower tread in
relation to the height of its
center of gravity to make it
capable of performing in a
wide variety of off-road
applications.
Utility vehicle feature
Specific design characteristics
give it a ...
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the seat belt
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceeding.
...
Fail-safe chart
Fail-safe function
When communication fails in any of the main wires
(communication lines) due to a short circuit or other
causes, the fail-safe function, which is specified for
each system, operates to prevent the system from
malfunctioning.
The table below shows the effects on e ...
