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Home >> Porsche >> 1994 >> 911 Speedster F6-3600cc 3.6L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> Test Point 9 - Intake Air Termperature Sensor
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Test Point 9 - Intake Air Termperature Sensor

TEST POINT 9 - Air temperature sensor - NTC I (Ohms) - Fault code 1_25

Possible Causes, Elimination, Remarks
The intake air temperature can be read directly in the "Actual value" menu using the tester system 9288.




If not, or if no plausible value is displayed, then connect terminal 44 and terminal 26 of the disconnected Digital Motor Electronics (DME) control unit plug with an ohmmeter.

Display at: 0°C = 4.4 - 6.8 Kohms
15-30°C = 1.4 - 3.6Kohms
40°C = 1 - 1.3Kohms




If there is no display, disconnect the plug at the air flow sensor. Connect an ohmmeter to air flow sensor terminals 1 and 4 using test leads.

NOTE: In the event of a discontinuity, there will a substitute value equal to an intake air temperature of 20° C (emergency running program).
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