Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Intake Air Temperature Sensor (In Air Flow Meter)

Check function:
[D] 200 - With the engine at operating temperature, the intake air temperature is at 50...70 °C (ambient air temperature 23 ± 5 °C).
A display below - 40 °C indicates a break in the temperature sensor or in the supply wire to the DME control unit.

Resistance test:
Connect universal adapter, measure resistance across the terminals 44 and 26.