Touareg V8-4.2L (AXQ) (2006)
Engine Control Module: Description and Operation
Engine Control Module
--> [ Engine Control Module, Replacing ] See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Component Tests
and General Diagnostics/Component Tests (SAE Code Charts)/Engine Control Module, Replacing
--> [ Speed Signal, Checking ]See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Component Tests and General
Diagnostics/Component Tests (SAE Code Charts)/Speed Signal, Checking
--> [ CAN-Bus, Checking Terminal Resistance ] See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Component Tests and General Diagnostics/Component Tests (SAE Code Charts)/CAN-Bus, Checking Terminal Resistance
Observe Safety Precautions: --> [ Safety Precautions ] See: Powertrain Management/Computers and Control Systems/Service Precautions/Safety
Precautions
Observe Clean Working Conditions: --> [ Clean Working Conditions ] See: Powertrain Management/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).