Toyota RAV4 (XA40) 2013-2018 Service Manual: Key lock-in prevention function does not work properly
Description
When the key is in the ignition key cylinder or the door courtesy light on signal is output to the main body ecu, performing the door lock operation with the lock switch does not lock the door.
Wiring diagram
Inspection procedure
- Read value of intelligent tester (unlock warning switch)
- Use the data list to check if the unlock warning switch is functioning properly.
Ok: when the switch is operating, the intelligent tester should display as shown in the table.
- Read value of intelligent tester (driver side door courtesy light switch)
- Use the data list to check if the door courtesy light switch is functioning properly.
Ok: when the switch is operating, the intelligent tester should display as shown in the table.
- Inspect front door courtesy light switch assembly lh
- Remove the front door courtesy light switch.
- Measure the resistance of the switch.
Standard resistance 
- Check wire harness (ecu - switch)
- Disconnect the k7 switch connector.
- Disconnect the ia junction block connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
Replace instrument panel junction block (main body ecu)
- Inspect unlock warning switch assembly
- Remove the unlock warning switch.
- Measure the resistance of the switch.
Standard resistance 
- Check wire harness (switch - ecu)
- Disconnect the e6 switch connector.
- Disconnect the ie junction block connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
Replace instrument panel junction block (main body ecu)
Only back door lock / unlock functions do not operate
Description
The main body ecu receives lock / unlock switch signals and activates the
door lock motor accordingly.
Wiring diagram
Inspection procedure
Inspect back door with motor lock as ...
Key reminder warning system
Parts location
System diagram
...
Other materials:
Skid control buzzer circuit
Description
The skid control buzzer sounds while the vsc is activated.
Wiring diagram
Inspection procedure
Notice:
When replacing the abs and traction actuator, perform the zero point
calibration (see page bc-
24).
Check can communication system
Check if the can communication d ...
Heated oxygen sensor
Components
Removal
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 heated oxygen sensor (for bank 1 sensor 2)
...
Reassembly
Install evaporator temperature sensor
Notice:
If reusing the evaporator, do not insert the sensor to
a location where the sensor was previously inserted.
Insert the sensor within range c shown in the
illustration.
Install the evaporator temperature sensor as shown
in the illustrati ...
