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P0128-THERMOSTAT RATIONALITY (CONTINUED) 12. SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT OR THE (G931) SENSOR Measure the resistance between the Signal circuit and the (K900) Measure the resistance between the Signal circuit and the (G931) Is the resistance below 100 ohms? Yes >> Repair the short between the Sensor ground circuit and the Sensor Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 13 13. 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) 9 - 148 ENGINE ELECTRICAL DIAGNOSTICS WK |