Toyota RAV4 Service Manual: Only driver 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
- Perform active test by intelligent tester (door lock)
- Select the active test, use the intelligent tester to generate a control command, and then check that the doors lock / unlock.
Ok: doors can lock / unlock
- Read value of intelligent tester (lock position switch)
- Use the data list to check if the door lock is functioning properly.
Ok: when the door lock is operating, the intelligent tester should display as shown in the table.
- Inspect front door with motor lock assembly lh
- Apply the battery voltage to the motor terminals and check the operation of the door lock motor.
Ok 
- Measure the resistance of the door lock position switch.
Standard resistance 
- Check wire harness (door lock - ecu)
- Disconnect the h5 door lock connector.
- Disconnect the e15 ecu 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)
All doors cannot be locked / unlocked simultaneously
Description
The main body ecu receives switch signals from the door control switch on the
power window regulator
master switch, door control switch and driver side door key cylinder, and
activat ...
Only passenger 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
Read value of intelligent tester (lo ...
Other materials:
Unlocking and locking the doors
Front doors
Grip the driver’s door handle to
unlock the door. Grip the passenger’s
door handle to unlock all the
doors.*
Make sure to touch the sensor on
the back of the handle.
The doors cannot be unlocked for
3 seconds after the doors are
locked.
*: The door unlock settings can be ...
Air inlet damper control servo motor circuit
Description
The damper servo (air inlet control) sends pulse signals to indicate the
damper position to the air
conditioning amplifier. The air conditioning amplifier activates the motor
(normal or reverse) based on
these signals to move the air inlet control damper to the appropriate pos ...
Control module communication bus off
Description
The power steering ecu receives signals from the ecm and the skid control ecu
via the can
communication system.
Hint:
When 2 or more dtcs starting with [u] are output simultaneously, inspect
the connectors and wire
harness of each ecu.
If dtc u0105/41 is output, fi ...
