Skyhawk L4-121 2.0L (1986)
Fig. 047 Chart C-1E Power Steering Signal
1.
Checks for ECM signal voltage on CKT 901, 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.
