Toyota RAV4 (XA40) 2013-2018 Service Manual: Receiver error
Description
Wiring diagram
Inspection procedure
Notice:
It is necessary to register an id code after replacing the tire pressure warning valve abd transmitter and/or the tire pressure warning ecu (see page tw-9).
Hint:
Set the tire pressure to the specified value.
Standard pressure: 220 kpa (2.2 Kgf/cm2, 32 psi)
- Check tire pressure warning ecu
- Measure the voltage of the connector.
Standard voltage 
- Check wire harness (ecu - receiver)
- Disconnect the e56 ecu connector.
- Disconnect the l20 receiver connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
- Replace tire pressure warning antenna and receiver
- Check dtc
- Check for dtc (see page tw-20).
Ok: dtc is not output.
Hint:
- It is necessary to register an id when replacing the tire pressure warning ecu (see page tw-9).
- Read id on the data list before removing the tire pressure warning ecu. Register the id in the new tire pressure warning ecu.
End
- Check wire harness (ecu - receiver)
- Disconnect the e56 ecu connector.
- Disconnect the l22 receiver connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
Replace tire pressure warning ecu
Transmitter id not registered in main mode
Description
Inspection procedure
Notice:
It is necessary to register an id code after replacing the tire pressure
warning valve and
transmitter and/or the tire pressure monitor ecu (see ...
Vehicle speed signal error (test mode dtc)
Description
The tire pressure warning ecu receives a speed signal from the combination
meter. This dtc is stored
upon entering test mode, and cleared when a vehicle speed signal of 12 mph (20 ...
Other materials:
Horn system
Parts location
System diagram
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "suspected area" column of
the table. Check each symptom by c ...
System description
Driver seat belt warning light
When the driver seat belt is not fastened with the
ignition switch on, the driver seat belt warning light
on the combination meter comes on to inform the
driver. The center airbag sensor detects the driver
seat belt status and sends signals to the
co ...
The keys
The following keys are provided with the vehicle.
Vehicles without a smart key system (type a)
Master keys
Operating the wireless remote control
function
Valet key
Key number plate
Vehicles without a smart key system (type b)
Master keys
Operating the wireless r ...
