Touareg V8-4.2L (BHX) (2004)
Engine Control Module: Description and Operation
Engine Control Module
--> [ Engine Control Module, Replacing ] See: Computers and Control Systems/Testing and Inspection/Component Tests and General
Diagnostics/Engine Control Module, Replacing
--> [ Speed Signal, Checking ]See: Computers and Control Systems/Testing and Inspection/Component Tests and General Diagnostics/Speed Signal,
Checking
--> [ CAN-Bus, Checking Terminal Resistance ] See: Computers and Control Systems/Testing and Inspection/Component Tests and General
Diagnostics/CAN-Bus, Checking Terminal Resistance
Observe Safety Precautions: --> [ Safety Precautions ] See: Computers and Control Systems/Service Precautions/Safety Precautions
Observe Clean Working Conditions: --> [ Clean Working Conditions ] See: Computers and Control Systems/Service Precautions/Clean Working
Conditions
The Engine Control Module (ECM) regulates fuel injection, the throttle valve control module, oxygen sensor control, ignition, knock control, EVAP
canister purge regulator valves, engine speed limitation via fuel injectors and Fuel Pump (FP) relay, camshaft adjustment as well as On Board
Diagnostic (OBD).