POWER STEERING OIL PRESSURE SWITCH - Component Description
EF & EC-7241prose procedureComponent Description
The power steering oil pressure switch is attached to the power steering high-pressure tube and detects a power steering load. When a power steering load is detected, it signals the ECM. The ECM adjusts the IACV-AAC valve to increase the idle speed and adjust for the increased load.
CONSULT-II Reference Value in Data Monitor Mode
Specification data are reference values.
PW/ST SIGNAL
CONDITIONEngine: After warming up, idle the engine; Steering wheel in neutral position (forward direction)
SPECIFICATIONOFF
PW/ST SIGNAL
CONDITIONEngine: After warming up, idle the engine; The steering wheel is fully turned
SPECIFICATIONON
ECM Terminals and Reference Value
Specification data are reference values and are measured between each terminal and ground.
80
WIRE COLORG/B
ITEMPower steering oil pressure switch
CONDITION[Engine is running] Steering wheel is fully turned
DATA (DC Voltage)Approximately 0V
80
WIRE COLORG/B
ITEMPower steering oil pressure switch
CONDITION[Engine is running] Steering wheel is not turned
DATA (DC Voltage)Approximately 5V