Toyota RAV4 (XA40) 2013-2018 Service Manual: Push switch / key unlock warning switch malfunction
Description
This dtc is output if the transponder key ecu does not detect that the unlock warning switch is on even when the ignition switch is on. Under normal conditions, the unlock warning switch is on when the ignition switch is on.
Wiring diagram
Inspection procedure
- Read value of intelligent tester (unlock warning switch)
- Connect the intelligent tester (with can vim) to the dlc3.
- Turn the ignition switch on with a key that cannot start the engine.
- On the intelligent tester, enter the following menus: diagnosis / obd/mobd / immobiliser / data list / key sw. Read the result.
Ok: on (key is in ignition key cylinder) appears on the screen.
- Inspect unlock warning switch assembly
- Remove the unlock warning switch.
- Measure the resistance of the switch.
Standard resistance 
- Check wire harness (unlock warning switch - body ground)
- Disconnect the e6 switch connector.
- Measure the resistance of the wire harness side connector.
Standard resistance 
- Check wire harness (unlock warning switch - transponder key ecu)
- Disconnect the e6 switch connector.
- Disconnect the e46 ecu connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
Replace transponder key ecu
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
...
Other materials:
Vehicle speed sensor
Description
Refer to the sfi system (see page es-224).
Wiring diagram
Refer to the sfi system (see page es-224).
Inspection procedure
Refer to the sfi system (see page es-224). ...
Engine (ignition) switch
(vehicles without a
smart key system)
Starting the engine
Check that the parking brake is set.
Check that the shift lever is set in p.
Firmly depress the brake pedal.
Turn the engine switch to the “start” position to start the engine.
Changing the engine switch positions
“Lock”
The steering wheel is locked an ...
Terminals of ecu
Center airbag sensor assembly (w/ curtain
shield airbag)
Center airbag sensor assembly (w/o curtain
shield airbag)
...
