Throttle Position Sensor: Specifications
*** UPDATED BY TSB 90-168-6E, DATED FEBRUARY 1990FUEL INJECTOR AND CRANKSHAFT SENSOR RESISTANCE VALUE
Injector [1] should be greater than 8 ohms.
Crankshaft sensor between 800 and 1200 Ohms
[1] Check across injector terminals.
THROTTLE POSITION SENSOR VOLTAGE
Voltage [1] 0.20-1.25 volts
NOTE:
[1] TPS voltage is checked at idle. The maximum TPS reading, at idle, is 1.25 volts.
ECM CONTROLLED RELAYS AND SOLENOIDS
Check the resistance of each ECM controlled relay or solenoid coil before replacing an ECM. Replace any relay or solenoid if the resistance measurement is less than 20 ohms. See ECM wiring diagrams under ELECTRICAL AND ELECTRONIC DIAGRAMS for coil terminal identification of solenoids and relays to be checked.