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Reading measured value block
Readout specifications for temperature senders
Display group 07 with ignition switched on (engine cold and not running)
Engine code: AFF, AHU, AHH, AFN, AVG
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Read measured value block 7
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⇒
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◂ Indicated on display
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15.4 °C
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15.9 °C
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16.7 °C
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Coolant temperature (at coolant temperature sender -G62)
▪ If the wiring has an open circuit the approximate fuel temperature (display zone 1) will be displayed as a substitute value, test sender =>Page 23-73
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Intake manifold temperature (at intake manifold temperature sender -G72)
▪ If the wiring has an open circuit, a constant temperature of 136.8 °C will be displayed as a substitute value, test sender =>Page23-75
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No display
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Fuel temperature (at fuel temperature sender -G81)
▪ If the wiring has an open circuit, a constant temperature of -5.4 °C will be displayed as a substitute value, test sender =>Page 23-56
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Notes:
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◆ No specifications can be given for temperature values.
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◆ When the engine is cold, the temperatures of the fuel, intake manifold and coolant should be approximately the same as the ambient temperature. If one of the temperature readings differs noticeably, test the relevant sender.
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