A8L Quattro Sedan W12-6.0L (BSB) (2005)
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Electronic Throttle Actuator: Testing and Inspection
Diagnostic Procedures
Throttle Valve Control Modules, Checking
‹› Use only gold-plated terminals when servicing terminals in harness connector of throttle valve control modules.
Function
The throttle valve activation occurs via an electric motor (throttle drive) in throttle valve control modules. This is operated by ECM according to
specifications from two gas pedal position sensors.
Throttle Valve Control Module - 1 - (J338) components:
‹› Throttle Drive (for Electronic Power Control (EPC)) (G186)
‹› Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) (G187)
‹› Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) (G188)
Throttle Valve Control Module 2 (J544)- 4 - components:
‹› Throttle Drive 2 (G296)
‹› Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) (G297)
‹› Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) (G298)
