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*START AND STALL CONDITION For the Engine circuit diagram (Refer to 9 - ENGINE - SCHEMATICS AND DIAGRAMS). For a complete wiring diagram Refer to Section 8W. Possible Causes CURRENT PCM DTCS CURRENT SKIM DTCS THROTTLE POSITION SENSOR SWEEP TP SENSOR NO.1 VOLTAGE GREATER THAN 0.92 VOLTS WITH THROTTLE CLOSED ECT SENSOR OTHER POSSIBLE CAUSES FOR START AND STALL CONDITON FUEL CONTAMINATION Diagnostic Test 1. CHECKING DTCS Ignition on, engine not running. With a scan tool, read DTCs. Are any DTCs present? Yes >> Refer to the appropriate Diagnostic Procedure. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 2 2. CHECKING SKIM DTCS NOTE: If you are unable to communicate with the SKREEM, refer to the VEHICLE THEFT AND SECURITY Are there any SKIM DTCs? Yes >> Refer to the Sentry Key Vehicle Theft Security Electrical Diagnostics in Section 8. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 3 3. TP SENSOR SWEEP Ignition on, engine not running. With the scan tool read TP Sensor voltage. While monitoring the scan tool, slowly open and close the Throttle. Was the voltage change smooth? Yes >> Go To 4 No >> Replace the Throttle Position Sensor. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 758 ENGINE ELECTRICAL DIAGNOSTICS ND |