Touareg V8-4.2L (BHX) (2004)
Air Flow Meter/Sensor: Testing and Inspection
Diagnostic Procedures
Mass Air Flow Sensor, Checking
‹› Use only gold-plated terminals when servicing terminals in harness connector of Mass Air Flow (MAF) sensor.
Special tools, testers and auxiliary items required
‹› Multimeter (VAG1526) or multimeter (VAG1715)
‹› Connector test kit (VAG1594)
‹› Wiring diagram
Test requirements
‹› Fuses in E-box (in plenum chamber, left) must be OK:
‹› Motronic Engine Control Module (ECM) Power Supply Relay (J271) must be OK, check:
‹› Respective fuses of Mass Air Flow (MAF) Sensor (G70) and Mass Air Flow (MAF) Sensor 2 (G246) in fuse box (instrument panel, left) must be
OK: