Microphone signal circuit
Audio unitP0550 PSP sensor
Description
Power steering pressure (PSP) sensor is installed to the power steering
high-pressure tube and detects a
power steering load.
This sensor is a potentiometer which transforms the power steering load into
output voltage, and emits the
voltage signal to the ECM. The ECM controls ...
Engine speed signal circuit
Description
ECM sends engine speed signal to power steering control unit.
Diagnosis Procedure
1.PERFORM ECM SELF-DIAGNOSIS
With CONSULT
Perform ECM self-diagnosis.
2.CHECK HARNESS BETWEEN ECM AND POWER STEERING CONTROL UNIT FOR OPEN
Turn the ignition switch OFF.
Disconnect ECM connec ...
Active ride control
This system senses upper body motion (based
on wheel speed information) and controls engine
torque and four wheel brake pressure. This will
enhance ride comfort in effort to restrain uncomfortable
upper body movement when passing
over undulated road surfaces. This system
comes into effect abov ...