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P0107-MAP SENSOR VOLTAGE TOO LOW (CONTINUED) 3. MAP SENSOR With a scan tool, monitor the MAP Sensor voltage with the Sensor harness connector disconnected. Is the voltage above 4.5 volts? Yes >> Replace the MAP Sensor. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 4 4. (K1) MAP SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the C1 PCM harness connector. Measure the resistance between ground and the (K1) MAP Signal cir- Is the resistance below 100 ohms? Yes >> Repair the short to ground in the (K1) MAP Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 5 5. (K1) MAP SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT Measure the resistance between the (K1) MAP Signal circuit and the Is the resistance below 100 ohms? Yes >> Repair the short between the (K900) Sensor ground and the (K1) MAP Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 8 9 - 1518 ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10 DR/DH |