Toyota RAV4 (XA40) 2013-2018 Service Manual: Occupant classification ecu
Components
On-vehicle inspection
- Inspect occupant classification ecu
(vehicle not involved in collision)
- Perform a diagnostic system check (see page rs-
236).
- Inspect occupant classification ecu
(vehicle involved in collision)
- Perform a diagnostic system check (see page rs-
236).
- Even if the airbag was not deployed, check if there
is any damage to the occupant classification ecu. If
there are any defects as mentioned below, replace
the occupant classification ecu with a new one:
- Cracks, dents or chips on the case.
- Cracks or other damage to the connector.
Caution:
Be sure to follow the correct removal and
installation procedures.
Removal
- Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
- Remove front seat assembly (for manual seat)
(see page se-11)
- Remove occupant classification ecu
- Disconnect the 2 connectors from the occupant
classification ecu.
- Using a screwdriver, remove the occupant
classification ecu
Installation
- Install occupant classification ecu
- Check that the ignition switch is off.
- Check that the negative battery (-) terminal is
disconnected.
Caution:
After disconnecting the negative battery
terminal, wait for at least 90 seconds before
starting the operation.
- Install the occupant classification ecu.
- Connect the 2 connectors to the occupant
classification ecu.
Notice:
- If the occupant classification ecu has been
dropped, or there are any cracks, dents or
other defects in the case or connector,
replace it with a new one.
- When installing the occupant classification
ecu, be careful that the srs wiring does not
interfere with other parts and that it is not
pinched between other parts.
- Install front seat assembly (for manual seat)
(see page se-23)
- Connect cable to negative battery
terminal
- Inspect slide adjuster lock (for manual seat)
- Inspect seat heater operation (w/ seat heater
system)
- Inspect srs warning light
- Inspect the srs warning light (see page rs-245).
Components
On-vehicle inspection
Check seat position sensor (vehicle not
involved in collision)
Perform a diagnostic system check (see page rs-
49).
Check seat position sensor ...
Other materials:
Inspection
Inspect cylinder head for warpage
Using a precision straightedge and feeler gauge,
measure the warpage of the contact surfaces of the
cylinder block and manifolds.
Maximum warpage:
0.08 Mm (0.0032 In.)
If the warpage is greater than the maximum, replace
the cylinder head sub-a ...
Room temperature sensor circuit
Description
The room temperature sensor is installed in the instrument panel to detect
the room temperature and
control the heater and air conditioner auto mode. The resistance of the room
temperature sensor
changes in accordance with the room temperature. As the temperature decreases,
...
Cleaning the Digital Rearview
Mirror
â– Cleaning the mirror surface
If the mirror surface is dirty, the
image on the display may be difficult
to see.
Clean the mirror surface gently
using a soft dry cloth.
â– Cleaning the camera
If the camera lens is dirty, the
displayed image may not be
clear. In this case, clean it with a
soft clo ...