Toyota RAV4 (XA40) 2013-2018 Service Manual: Terminals of ecu
- Check power steering ecu
Hint:
Measurements cannot be performed on the c connector side of the power steering ecu.
- Measure the voltage and resistance of the connectors.
If the result is not as specified, the ecu may have a malfunction.
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
t ...
Diagnosis system
Check dlc3
Check the dlc3:
the power steering ecu uses can (iso11898-1)
and iso9141-2 for communication protocol. The
terminal arrangement of the dlc3 complies with
sae j1962 and ...
Other materials:
Internal control module random access memory (ram) error
Description
The ecm continuously monitors its own internal memory status, internal
circuits, and output signals
transmitted to the throttle actuator. This self-check ensures that the ecm is
functioning properly. If any
malfunction is detected, the ecm sets the appropriate dtc and illumina ...
On-vehicle inspection
Check accelerator pedal rod
Check the voltage.
Connect the intelligent tester to the dlc3.
Turn the ignition switch on
Turn the intelligent tester on.
Select the menu items: diagnosis /
enhanced obd ii / data list / all /
accel pos #1, accel pos #2.
Operate the acceler ...
Exhaust gas precautions
Harmful substance to the human body is included in exhaust
gases if inhale.
Caution
Exhaust gases include harmful carbon monoxide (co), which is colorless and
odorless. Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to
an accident c ...
