Home Auto Repair 1999 Volkswagen Throttle Valve Control Module, Adaptation to ECM

1999 Volkswagen Throttle Valve Control Module, Adaptation to ECM

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Download 1999 Volkswagen Throttle Valve Control Module, Adaptation to ECM – Electronic Throttle Control Module: Testing and Inspection – During “adaptation” with ignition switched on and the engine not running, the Motronic ECM “learns” the closed throttle position (CTP), wide open throttle (WOT) and other positions of the throttle valve control module, and a characteristic curve of the relationship between Throttle Position (TP) sensor -G69- and angle sensor for throttle drive -G187-. Adaptation must be performed if: – The voltage supply is interrupted – The throttle valve control module is removed and installed – The throttle valve control module is replaced – If when installing another engine another throttle valve control module is installed Special tools and equipment VAG1551 or VAG1552 Scan Tool (ST) with VAG1551/3 adapter cable Test conditions – No malfunctions stored in DTC memory. – Battery voltage: min. 11.5 volts – All electrical consumers switched off (radiator coolant fan must not run during test) – A/C switched off – Throttle valve in closed throttle position; if necessary adjust accelerator pedal cable – Cruise control adjustment OK Work sequence – Connect VAG1551 or VAG1552 scan tool and press buttons -0- and -1- to insert “Engine Electronics” address word 01 (with ignition switched on; engine not running). Indicated on display