Toyota RAV4 Service Manual: Motor terminal voltage malfunction
Description
The power steering ecu supplies the current to the power steering motor
through the motor circuit.
Wiring diagram
Inspection procedure
- Read value of intelligent tester (motor voltage)
- Connect the intelligent tester (with can vim) to the dlc3.
- Turn the ignition switch on and press the intelligent tester main switch on.
- Select the items "mtr terminal(u)", "mtr terminal(v)", "mtr terminal(w)" in the data list and read the value displayed on the intelligent tester.
Result
Replace power steering ecu
Short in motor circuit
Description
The power steering ecu supplies current to the power steering motor through
this circuit.
Inspection procedure
Reconfirm dtc
Check for dtc.
Ok:
dtc is not output.
...
Motor rotation angle sensor malfunction
Description
The motor rotation angle sensor detects the motor rotation angle and sends
this information to the power
steering ecu.
Wiring diagram
Inspection procedure
Check conne ...
Other materials:
Cooling fan system
Parts location
System diagram
On-vehicle inspection
Hint:
It is normal for the cooling fan to sometimes rotate when the
ignition switch is turned from acc to on.
Check cooling fan operation at low temperatures (below 94°c (201°f))
Turn the ignition switch on with the a/c ...
If the electronic key does
not operate properly
(vehicles with a
smart key system)
If communication between the electronic key and vehicle is
interrupted („_p. 107) Or the electronic key cannot be used
because the battery is depleted, the smart key system and wireless
remote control cannot be used. In such cases, the doors
can be opened and the engine can be started by follo ...
On-vehicle inspection
Check battery condition
Notice:
If the battery is weak or if the engine is difficult to
start, perform the following procedures.
Check the battery for damage and deformation. If
severe damage, deformation or leakage is found,
replace the battery.
Check the electrolyte quantity of e ...