buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

ABOUT US
Chart C-1E P/S Pressure Switch Diagnosis VIN J (1.8L Turbo)|Page 4246 > < Chart C-1E P/S Pressure Switch Diagnosis VIN J (1.8L Turbo)

Skyhawk L4-112 1.8L Turbo VIN J FI (1984)

Page 2
background image

Fig. 034 - Chart C-1E Power Steering Pressure Switch Check

1.

Checks for ECM signal voltage on CKT 495, and confirms that ground CKT 450 is OK.

2.

Maximum resistance, or infinity, indicates an open switch.

3.

Less than 1 ohm indicates that the switch is closed when the power steering pressure is high. Switch is OK.

Chart C-1E P/S Pressure Switch Diagnosis VIN J (1.8L Turbo)|Page 4246 > < Chart C-1E P/S Pressure Switch Diagnosis VIN J (1.8L Turbo)