DESCRIPTION
The power steering ECU supplies current to the power steering motor through the motor circuit.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1522 |
Motor current sensor malfunction |
|
C1523 |
Excessively large current deviation |
|
C1524 |
Short (or open) in motor circuit or abnormal voltage or current in motor circuit |
|
C1555 |
Motor relay failure |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU and steering column assembly have been replaced, perform
the rotation angle sensor initialization and torque sensor zero point calibration
(See page ).
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (MOTOR VOLTAGE) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / EMPS / Data List.
(f) Select the items "Motor Terminal Volt(U)", "Motor Terminal Volt(V)" and "Motor Terminal Volt(W)" in the Data List and read the value displayed on the Techstream.
EMPS
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Motor Terminal Volt(U) |
Motor terminal voltage (U phase)/ Min.: 0 V Max.: 46.667 V |
During steering operation, value changes within 4 to 46 V range |
The engine is running and steering wheel is being turned. |
Motor Terminal Volt(V) |
Motor terminal voltage (V phase)/ Min.: 0 V Max.: 46.667 V |
During steering operation, value changes within 4 to 46 V range |
The engine is running and steering wheel is being turned. |
Motor Terminal Volt(W) |
Motor terminal voltage (W phase)/ Min.: 0 V Max.: 46.667 V |
During steering operation, value changes within 4 to 46 V range |
The engine is running and steering wheel is being turned. |
Result |
Proceed to |
---|---|
During steering operation, value changes within 4 to 46 V range |
A |
During steering operation, voltage is not generated |
B |
A | ![]() |
REPLACE POWER STEERING ECU |
B | ![]() |
REPLACE STEERING COLUMN ASSEMBLY |
Only Wireless Control Function is Inoperative
DESCRIPTION
The door control receiver receives signals from the transmitter and sends these
signals to the main body ECU. The main body ECU then controls all doors by sending
lock/unlock signals to each door, and sends hazard flasher relay signals to the ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. SECURE REAR SHOCK ABSORBER WITH COIL SPRING
2. INSTALL REAR LOWER COIL SPRING ...
Replacement
REPLACEMENT
PROCEDURE
1. REPLACE RING PIN
NOTICE:
It is not necessary to remove the ring pin unless it is being replaced.
(a) Remove the 12 ring pins.
(b) Using a plastic-faced hammer, install 12 new ring pins.
Standard Protrusion Height:
...