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:
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 ...
Antenna coil open / short
Description
The transponder key coil receives key code signals from the transponder chip
in the key grip. The coil
built into the transponder key amplifier amplifies the key code signals and
outputs the signal to the
transponder key ecu.
Wiring diagram
Inspection procedure
R ...
Checking monitor status
Perform monitor drive pattern
Connect the intelligent tester to the dlc3.
Turn the ignition switch and the tester on.
Clear the dtcs (see page es-35).
Run the vehicle in accordance with the applicable
drive pattern described in readiness monitor
drive pattern (see page es-19). Do ...
