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P0222-THROTTLE POSITION SENSOR 2 CIRCUIT LOW (CONTINUED) For the Engine System Schematic circuit diagram (Refer to 9 - ENGINE - SCHEMATICS AND DIAGRAMS). For a complete Engine wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (F855) 5-VOLT SUPPLY CIRCUIT OPEN (F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND (K122) TP SENSOR NO.2 SIGNAL CIRCUIT SHORTED TO GROUND (K122) TP SENSOR NO.2 SIGNAL CIRCUIT SHORTED TO THE (K922) SENSOR RETURN CIRCUIT THROTTLE POSITION SENSOR/THROTTLE BODY THROTTLE PLATE JAMMED AGAINST THE MAXIMUM STOP PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. TP SENSOR NO.2 BELOW 0.35 OF A VOLT NOTE: If a 5-Volt supply DTC has also set, diagnose the 5-Volt DTC before continuing. NOTE: Make sure the throttle moves freely and does not hang up at Wide Open Throttle, by performing the NOTE: If P2101 is also set, then make sure that the blade moves freely and does not hang up near Wide With the scan tool, read the TP Sensor voltage. Is the voltage below 0.35 of a volt? Yes >> Go To 2 No >> Go To 11 2. P0122 ALSO SET Was the P0122-TP SENSOR NO.1 VOLTAGE LOW DTC set along with the P0222? Yes >> Go To 3 No >> Go To 4 9 - 298 ENGINE - ELECTRICAL DIAGNOSTICS - 3.7L/4.7L/5.7L DR/DH |