Power Steering Control Unit

Power steering control unit is located behind instrument panel, right of steering column. Using an analog voltmeter, measure voltage between ground specified terminal at power steering control unit. See POWER STEERING CONTROL UNIT VOLTAGE table. See Figure .

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 ⁽³⁾

"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

8 - Ground Circuit

Zero

⁽¹⁾	Check voltage between listed terminal and ground.

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

⁽³⁾	With clutch engaged.