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DTC 41: Air Mass Sensor (HLM): Troubleshooting

Observe load signal with scan tool. The nominal value is 1.8-2.2 ms when the battery is charged, air conditioning switched off and gear selector lever in position P or N. If the nominal value is not achieved, check voltage supply of air mass sensor, wires and connector. If voltage supply, wires and connector are okay, check air mass sensor. See AIR MASS SENSOR  .