Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 assembly
- Apply the battery voltage to the door lock motor and check the operation of the door lock motor.
Ok
- Check wire harness (door lock - ecu)
- Disconnect the q7 door lock connector.
- Disconnect the ih junction block connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
Replace instrument panel junction block (main body ecu)
Only rear door rh 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 rear door with motor lock as ...
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 ...
Other materials:
Speed 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 battery
Loosen the nut and remove the b ...
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Re ...
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 air cleaner cap (see page es-411)
Remove air cleaner case
...
