Toyota RAV4 Service Manual: Power steering ecu communication stop mode
Description

Wiring diagram

Inspection procedure
Notice:
- Turn the ignition switch off before measuring the resistances of the
main wire and the branch
wire.
- After the ignition switch is turned off, check that the key reminder
warning system and light
reminder warning system are not in operation.
- Before measuring the resistance, leave the vehicle for at least 1
minute and do not operate the
ignition switch, any switches or doors. If doors need to be opened in order
to check
connectors, open the doors and leave them open.
Hint:
Operating the ignition switch, any switches or any doors triggers related ecu
and sensor communication
with the can, which causes resistance variation.
- Check can bus line for disconnection (power steering ecu main wire)

- Disconnect the e18 power steering ecu connector.
- Measure the resistance of the wire harness side
connector.
Standard resistance 

- Check wire harness (power steering ecu - battery and body ground)

- Disconnect the a1 and e18 power steering ecu
connectors.
- Measure the resistance of the wire harness side
connector.
Standard resistance 
- Measure the voltage of the wire harness side
connectors.
Standard voltage 

Replace power steering ecu
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances
of the main wire and the branch
wire.
After the ignition ...
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances of the
main wire and the branch
wire.
After the ignition swi ...
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Caution:
Discharge fuel system pressure
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Temperature
The tire inflation pressure depends on the tire's
temperature.
Driving or exposure to the sun will increase the
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The tire inflation pressure is reduced when the
tire temperature falls again.
These circumstances may cause ...