|
|
P1618-SENSOR REFERENCE VOLTAGE 1 CIRCUIT ERRATIC (CONTINUED) 3. SENSOR SHORTED TO GROUND Connect the C2 PCM harness connector and all the previously discon- Ignition on, engine not running. Measure the voltage on the (F855) Primary 5-volt Supply circuit at the CAUTION: You must Turn the Ignition Off when disconnecting any Does the voltage increase above 4.5 volts when disconnecting Yes >> Replace the Sensor that causes the (F855) Primary 5-volt Supply circuit voltage to increase when disconnected. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 4 4. 5-VOLT SENSOR Turn the ignition off. Connect all the previously disconnected Sensors except for the CKP Ignition on, engine not running. Measure the voltage on the (F855) Primary 5-volt Supply circuit at the Is the voltage between 4.8 and 5.2 volts? Yes >> Replace the Crank Position Sensor. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 5 9 - 786 ENGINE - ELECTRICAL DIAGNOSTICS - 3.7L/4.7L/5.7L DR/DH |