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Self-diagnosis
Readout specifications for temperature senders
Display group 07 with ignition switched on (engine cold and not running)
- Engine codes: AGR, ALH, AHF and ASV
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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 sensor G62)
▪ If the wiring has an open circuit the approximate fuel temperature will be displayed as a substitute value.
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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.
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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.
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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 fuel, intake manifold and coolant temperatures should be approximately the same as the ambient temperature. If one of the temperature readings differs noticeably, the sender in question should be checked.
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