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:
Engine (ignition) switch
(vehicles with smart key
system)
Performing the following
operations when carrying
the electronic key on your
person starts the engine or
changes engine switch
modes.
Starting the engine
1. Pull the parking brake switch
to check that the parking
brake is set.
The parking brake indicator will
come on.
2. Check that the shift lever i ...
Reassembly
V
Attach the 7 outside moulding retainers to install the
extension.
Install front bumper extension rh (for wide
body)
Hint:
Use the same procedures described for the lh side.
Install front bumper hole cover lh (w/o fog
light)
Install the bumper hole cover with ...
Towing related terms
Gcwr (gross combination weight rating)
The maximum allowable gross
combination weight. The gross
combination weight is the sum
of the total vehicle weight
(including the occupants, cargo
and any optional equipment
installed on the vehicle) and the
weight of the trailer being towed
(inc ...
