2006 TOYOTA RAV4 Service Repair Manual

Page 1625 of 2000

TOYOTA RAV4 2006  Service Repair Manual POWER STEERING  –  ELECTRONIC POWER STEERING SYSTEMPS–25
PS
DESCRIPTION
The power steering ECU supplies the current to the power steering motor through the motor circuit.
WIRING DIAGRAM
INSPECTION

Page 1626 of 2000

TOYOTA RAV4 2006  Service Repair Manual PS–26POWER STEERING  –  ELECTRONIC POWER STEERING SYSTEM
PS
Result
B
A
MTR TERMINAL(V) Motor terminal voltage (V phase):
Min.: 0 V
Max.: 46.667 VSteering wheel is turned While turning the steering

Page 1627 of 2000

TOYOTA RAV4 2006  Service Repair Manual POWER STEERING  –  ELECTRONIC POWER STEERING SYSTEMPS–27
PS
DESCRIPTION
The motor rotation angle sensor detects the motor rotation angle and sends this information to the power 
steering ECU.
WIRI

Page 1628 of 2000

TOYOTA RAV4 2006  Service Repair Manual PS–28POWER STEERING  –  ELECTRONIC POWER STEERING SYSTEM
PS
B
A
(a) Reinstall motor rotation angle sensor connector.
(b) Check for DTC.
OK:
DTC is not output.
Result
B
A
(a) Connect the intelligen

Page 1629 of 2000

TOYOTA RAV4 2006  Service Repair Manual POWER STEERING  –  ELECTRONIC POWER STEERING SYSTEMPS–29
PS
DESCRIPTION
INSPECTION PROCEDURE
If the power steering ECU detects these DTCs, it will shut off the motor relay circuit (built into the

Page 1630 of 2000

TOYOTA RAV4 2006  Service Repair Manual PS–30POWER STEERING  –  ELECTRONIC POWER STEERING SYSTEM
PS
DESCRIPTION
The power steering ECU distinguishes the ignition switch status as ON or OFF through the IG power 
source circuit.
WIRING DI

Page 1631 of 2000

TOYOTA RAV4 2006  Service Repair Manual POWER STEERING  –  ELECTRONIC POWER STEERING SYSTEMPS–31
PS
(a) Remove the ECU-IG1 fuse from the instrument panel 
junction block.
(b) Measure the resistance of the fuse.
OK:
Below 1 
NG
OK
(a) Di

Page 1632 of 2000

TOYOTA RAV4 2006  Service Repair Manual PS–32POWER STEERING  –  ELECTRONIC POWER STEERING SYSTEM
PS
DESCRIPTION
When a problem occurs in the system, the power source relay circuit is shut off to stop the power assist. 
WIRING DIAGRAM
IN