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).
Seat position sensor
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 system
...
Other materials:
On-vehicle inspection
Hint:
When pressing the switch for 0.3 Seconds or less, the roof
glass moves but auto operation does not operate.
Check auto operation
Turn the ignition switch on.
When the roof glass is fully closed, press the slide
open switch for 0.3 Seconds or more. Check that
the roof glass au ...
Thermostat
Components
Removal
Remove no. 1 Engine under cover
Drain engine coolant (see page co-6)
Remove radiator support opening cover
Disconnect no. 2 Radiator hose
Remove water inlet
Remove the 2 nuts and disconnect the water inlet
from the cylinder block.
Remove thermostat
...
Ignition key cylinder light
Components
Removal
Disconnect cable from negative battery
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Place front wheels facing straight ahead
Remove steering pad ...