Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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SYSTEM DESCRIPTION
DESCRIPTION
The power steering system generates torque through the operation of the motor
and the reduction gear installed on the column shaft in order to assist steering
effo
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the power steering system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
CALIBRATION
POWER STEERING ECU INITIAL SETTING (ASSIST MAP WRITING) (USING GTS)
NOTICE:
If any of the following conditions are met, perform Power Steering ECU Initial
Setting (assist map writing)
SEE MORE:
DESCRIPTION Refer to DTC P003012. Click here
Refer to DTC P003612. Click here
HINT: Although the DTC title says O2 sensor, this DTC relates to the air fuel ratio sensors (sensor 1 and sensor 2).
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Note
DESCRIPTION The fuel pump control ECU performs PWM (Pulse Width Modulation) control to control the fuel pump (for low pressure side) speed steplessly over a wide range.
The fuel pump control ECU controls the speed of the fuel pump (for low pressure side) by switching the current of FPU, FPV and FP