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:
Air fuel ratio sensor
Components
On-vehicle inspection
Check air fuel ratio compensation system
Connect the intelligent tester to the dlc3.
Turn the ignition switch on.
Select the following menu items: data list / a/fs b1
s1 and o2s b1 s2.
Warm up the a/f sensor with the engine speed at
2,500 ...
Engine control system malfunction
Description
If a malfunction in the engine control system is detected, the operations of
vsc and trc are prohibited
by the fail-safe function. When the signals from the engine are input normally,
the fail-safe is canceled and
the dtc is not stored.
Inspection procedure
Check harn ...
Abs warning light remains on
Description
If any of the following conditions are detected, the abs warning light
remains on:
The ecu connectors are disconnected from the skid control ecu.
There is a malfunction in the skid control ecu internal circuit.
There is an open or short in the wire harness between the combinat ...
