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Home >> BMW >> 1994 >> 850CSi >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self Diagnostics >> Diagnostic Tests >> DTC 77: Intake Air Temperature Sensor >> Troubleshooting
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DTC 77: Intake Air Temperature Sensor: Troubleshooting

Read out the actual value with scan tool. If not plausible: check wire to DME pin No. 77 and temperature sensor. For temperature sensor test values see COMPONENT RESISTANCE SPECIFICATIONS  table. See INTAKE AIR TEMPERATURE SENSOR  under COMPONENT TESTS.