Operation CHARM
: Car repair manuals for everyone.
Home
>>
Mercedes Benz
>>
1995
>>
S 420 (140.043) V8-4.2L (119.971)
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Sensors and Switches - Computers and Control Systems
>>
Air Flow Meter/Sensor
>>
Description and Operation
>>
Air Mass Sensor Burn Off Signal
Air Mass Sensor Burn Off Signal
The LH control module sends a hot-wire burn-off voltage to the air mass sensor after the engine is turned off.