Computers and Control Systems: Specifications

CIS-E Control Unit Operating Voltage 11-14 volts
Crankshaft Position Sensor (terminal 7 and 31d) 680-1200 ohms
Crankshaft Position Sensor (terminal 7 and Ground) >199 ohms
Coolant Temperature Sensor resistance 2.2-2.8k ohms (at 68F °F)
Decel Cutoff Speed [1] >1440 RPM
EZL Reference Resistor 750 ohms
Electro-Hydraulic Actuator [2] Approx. 20 mA
Idle Control Valve Current Range [3] 600 ±50 mA
Maximum Engine Speed Cutout 6450 ±50
Oxygen Sensor Heater Resistance 3 ohms (cold) 13 ohms (hot)
Oxygen Sensor Operating Voltage (engine running) 0.4 - 1.0 volts
Oxygen Sensor Heating Element current draw 0.5 - 1.3 A
Air/Fuel Mixture (On/Off Ratio) [4] Readout oscillating

[1] Road speed >12.5 mph, throttle valve idle contact closed.
[2] Engine not running, ignition "ON"
[3] In P or N, idling at operating temperature.
[4] At Diagnostic socket, with on/off ratio tester, and O2 sensor
connected. Reading should be within +10 of value at 2500 RPM.