WL-C Engine Intake-Air System
MAF Sensor
• The MAF sensor with integrated IAT sensor no.2 is installed on the air filter.
MAF Learning Function
• The MAF learning function is used to compensate any deterioration of the MAF sensor. It
should be carried out at each service interval by means of M-MDS (refer to chapter
‘Maintenance and Repair’).
MAF Data Reset
• When the MAF sensor is replaced the adaptation values in the PCM must be reset by
means of M-MDS (refer to chapter ‘Maintenance and Repair’).
MAP Sensor / IAT Sensor No.1
• The MAP sensor incorporates IAT sensor no.1 and is installed on the intake manifold.
BT-50_01052
1 Boost sensor 3 PCM
2 IAT sensor no.1
Service Training BT-50 01-21
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