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P0222-THROTTLE POSITION SENSOR 2 CIRCUIT LOW (CONTINUED) 9. (F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (F855) 5-volt Supply Is the resistance below 100 ohms? Yes >> Repair the short to ground in the (F855) 5-volt Supply cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 10 10. PCM NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal Were there any problems found? Yes >> Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Replace and program the Powertrain Control Module per Service Information. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 11. THROTTLE FOLLOWER TEST Ignition on, engine not running. With the scan tool, perform the Throttle Follower Test. Monitor the TP Sensor No.2 voltage while slowly pressing the Throttle pedal down. Is there a smooth voltage change from high to low? Yes >> Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Disconnect the Battery when replacing the Throttle Body Assembly. Replace the Throttle Body Assem- bly. After installation is complete, with a scan tool select the ETC RELEARN function. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 302 ENGINE - ELECTRICAL DIAGNOSTICS - 3.7L/4.7L/5.7L DR/DH |