Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting
Hint:
- Use these procedures to troubleshoot the tire pressure warning system.
- *: Use the intelligent tester.
- Vehicle brought to workshop
- Inspect battery voltage
Standard voltage: 11 to 14 v
If the voltage is below 11 v, recharge or replace the battery before proceeding.
- Check indicator light
- Check the indicator light (see page tw-17).
- Check dtc*
- Check for dtc (see page tw-20).
- Clear the dtc (see page tw-20).
- Recheck for dtc (see page tw-20).
Result 
- Dtc chart
- Check for tire pressure warning system dtc output (see page tw-22).
- Problem symptom confirmation
- Problem symptoms table
Result
- Overall analysis and troubleshooting*
- Terminals of ecu (see page tw-16).
- Data list/active test (see page tw-21).
- Repair or replace
- Confirmation test
End
System description
Description of system
A tire pressure warning antenna and receiver is
equipped with a tire pressure sensor and a
transmitter and is installed in each tire wheel. The
sensor measures the ...
Registration
In case of tire pressure warning ecu
replacement
Read id stored in the old ecu using the intelligent
tester.
In case of tire pressure warning valve and
transmitter and/or tire pre ...
Other materials:
Cruise control switch circuit
Description
This circuit sends signals to the ecm depending on the cruise control switch
condition. The battery
supplies positive (+) battery voltage to the cruise control switch. Then
terminal ccs of the ecm receives
the voltage according to the switch condition.
Wiring diagram
Inspect ...
Precaution
Check that the battery cables are connected to the
correct terminals.
Disconnect the battery cables if a quick charge is
given to the battery.
Do not perform tests with a high voltage insulation
resistance tester.
Never disconnect the battery while the engine is
running.
Check tha ...
Indications on multi-information
display
Vehicles with 7-inch display
LTA indicator
The illumination condition of the
indicator informs the driver of the
system operation status.
Illuminated in white: LTA system is
operating.
Illuminated in green: Steering
wheel assistance of the steering
assist function or lane centering
function is ...
