Toyota RAV4 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:
Tire pressure warning valve and transmitter
Components
Removal
Remove front tire
Remove rear tire
Remove tire pressure warning valve subassembly
Remove the valve core and cap, and release air
from the tire.
After ensuring that air is sufficiently released,
remove the nut and washer that are used to fix the
tire pres ...
Outer mirror switch
Inspection
Inspect outer mirror switch assembly
The l position of the left/right adjustment switch:
measure the resistance of the mirror switch.
Standard resistance (for left side)
If the result is not as specified, replace the switch
assembly.
The r position of the left/r ...
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 ...