Toyota RAV4 (XA40) 2013-2018 Service Manual: Terminals of ecu
- Check occupant classification ecu
- Measure the voltage of the connector.
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 ...
Diagnosis system
Description
The occupant classification ecu controls the functions of
the occupant classification system on the vehicle. Data
of the occupant classification system can be read in the
data lin ...
Other materials:
Ecm power source circuit
Description
When the ignition switch is turned on, the battery voltage is applied to the
igsw of the ecm. The output
signal from the mrel terminal of the ecm causes a current to flow to the coil,
closing the contacts of the
integration relay (efi main relay) and supplying power to either term ...
Automatic
air conditioning system
Air outlets and fan speed are automatically adjusted according
to the temperature setting.
Driver’s side temperature control
dial
Automatic mode button
Micro dust and pollen filter
mode button
Driver’s side temperature setting
display
Fan speed display
Air outlet display ...
Rear occupant classification sensor rh collision detection
Description
Dtc b1788 is output when the occupant classification ecu receives a collision
detection signal sent by
the rear occupant classification sensor rh when an accident occurs.
Dtc b1788 is also output when the front seat rh is subjected to a strong impact,
even if an actual
acci ...
