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:
Torque converter clutch solenoid performance (shift solenoid valve dsl)
Description
The ecm uses the signals from the throttle position sensor, air-flow meter,
turbine (input) speed sensor,
intermediate (counter) shaft speed sensor and crankshaft position sensor to
monitor the engagement
condition of the lock-up clutch.
Then the ecm compares the engagement ...
Abs warning light does not come on
Wiring diagram
Refer to the abs warning light circuit (see page bc-135).
Inspection procedure
Check can communication system
Check if the can communication system dtc is output
(see page ca-34).
Result
Perform active test by intelligent tester (abs warning light)
Sele ...
Multiplex communication circuit
Description
The air conditioning amplifier communicates data with the ecm and combination
meter through the can
communication system.
Wiring diagram
Inspection procedure
Check dtc
Clear the dtc (see page ac-31).
Read the dtc (see page ac-31).
Result
Go to can c ...
