Power Steering Control Unit

Locate power steering control unit behind left side of instrument panel. Using an analog voltmeter, measure voltage between ground and specified terminal at power steering control unit. See POWER STEERING CONTROL UNIT VOLTAGE table. See Figure . Replace as necessary.

POWER STEERING CONTROL UNIT VOLTAGE ⁽¹⁾

Terminal No. ⁽²⁾

Volts

1 - Power Circuit (Ignition On)

2 - Ground Circuit

Zero

3 - Vehicle Speed Sensor Input

Slow Speeds

Alternate Between 1-5

4 - Brakelight Switch Input

Pedal Depressed

Pedal Released

Zero

5 - Neutral Switch Input

Shift Lever Positions

"N" Or "P"

Zero

Except "N" Or "P"

4-5

6 - Parking Brake Switch Input

Brake Applied

Zero

Brake Released

7 - P/S Solenoid Valve Output

Vehicle Speed

Zero MPH

4.4-6.6

62 MPH

1.8-2.8

Fail-Safe Mode

1-1.5

⁽¹⁾	Check voltage between listed terminal and ground.

⁽²⁾	See illustration for terminal identification. See Figure .