Connect the MAF sensor 5P connector terminals No. 4 and No. 5 with a jumper wire. Wire side of female terminals MAF/IAT sensor 5P connector JUMPER WIRE Turn the ignition switch ON (II). Check the MAF with the scan tool. Is about 225g/sec indicated? YES – Replace the MAF/IAT sensor. NO – Substitute a known-good ECM and recheck. If symptom/indication goes away, replace the original ECM. NOTICE The battery power supply short circuit to 5 V power supply damages the ECM.

DTC P1107: BARO Sensor Circuit Low Voltage Check the ''On Board Diagnostic (OBD) System Check''. Was the ''OBD System Check'' performed? YES – Substitute a known-good ECM and recheck. If symptom/indication goes away, replace the original ECM. NO – Go to OBD System Check. aaa