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:
Driver side rear airbag sensor circuit malfunction
Description
The rear airbag sensor lh consists of parts including the diagnostic circuit
and the lateral deceleration
sensor.
When the center airbag sensor receives signals from the lateral deceleration
sensor, it determines
whether or not the srs should be activated.
Dtc b1630/23 i ...
Cooling fan motor
On-vehicle inspection
Inspect no. 1 Cooling fan motor
Disconnect the no. 1 Fan connector.
Connect the battery and ammeter to the no. 1 Fan
motor connector.
Check that the no. 1 Fan rotates smoothly, and then
check the reading on the ammeter.
Standard amperage ...
Removal
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Disconnect cable from negative battery terminal
Notice:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and se ...
