4 SPD. Automatic Transmission 01M On Board Diagnostic (A3 Platform): Notes
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
The following list pertains to Fig 1.
- Transmission Control Module (TCM) -J217-
- Location, see Transmission Control Module (TCM) -J217-, location
- Removing, see Transmission Control Module (TCM) -J217-, removing
- Installing, see Transmission Control Module (TCM) -J217-, installing
- Checked by On Board Diagnostic (OBD), see VAG 1551 Scan Tool (ST), connecting and selecting functions
- Engine Control Module (ECM)
- Location, see Engine Control Module (ECM), location
- Removing and installing
See appropriate Multiport Fuel Injection (MFI) article in Engine Performance.
See appropriate Diesel Fuel Injection article in Engine Performance.
NOTE: If engine or transmission control modules are replaced, initiate basic setting: see BASIC SETTING, INITIATING (FUNCTION 04) . - Data Link Connector (DLC)
- Location, see Data Link Connector (DLC), location
- Valve body
- Location, see Valve body, location
- Removing and installing, see VALVE BODY, REMOVING AND INSTALLING .
- Solenoid valves -N88-, -N89-, -N90-, -N91-, -N92-, -N93- and -N94- are attached to the valve body
- Valves are checked by On Board Diagnostic (OBD)
- Conductor strip with integrated Transmission Fluid Temperature Sensor -G93-
- Location, see Conductor strip with integrated Transmission Fluid Temperature Sensor -G93-, location
- Removing and installing, see Conductor strip, removing and installing
- -G93- is checked by On Board Diagnostic (OBD)
- Multi-function Transmission Range (TR) Switch -F125-
- Location and removing and installing, see Multi-function Transmission Range (TR) Switch -F125-, location
- -F125- is checked by On Board Diagnostic (OBD)
- Transmission Vehicle Speed Sensor (VSS) -G38-
- Location and removing and installing, see Transmission Vehicle Speed Sensor (VSS) -G38-, location
- Connector -T2- to wiring harness is white
- -G38- is checked by On Board Diagnostic (OBD)NOTE: Do not interchange connector -T2- for vehicle speed sensors -G38- and -G68-
- Vehicle Speed Sensor (VSS) -G68-
- Location and removing and installing, see Vehicle Speed Sensor (VSS) -G68-, location
- Connector -T2- to wiring harness is black
- -G68- is checked by On Board Diagnostic (OBD)NOTE: Do not interchange connector -T2- for vehicle speed sensors -G38- and -G68-
- Throttle Position (TP) Sensor -G69-
- Location, see Throttle Position (TP) Sensor -G69-, removing and installing
- Removing and installing
See appropriate Multiport Fuel Injection (MFI) article in Engine Performance.
See appropriate Diesel Fuel Injection article in Engine Performance.
- Various types of TP sensor according to engine version.
- On vehicles with 6-Cyl. engine 01.93 and above, or diesel engines, TP sensor signal is directed via ECM to TCM. The signal can only be checked via read measuring value block: See READ MEASURING VALUE BLOCK (FUNCTION 08) .
- If malfunction indicated in TP sensor, then also perform OBD on ECM. See appropriate fuel injection On Board Diagnostic (OBD) or Diesel Fuel Injection articles.
- After repair, initiate basic setting, see BASIC SETTING, INITIATING (FUNCTION 04)
- TP sensor signal is checked by On Board Diagnostic (OBD).
- Shift Lock Solenoid -N110-
- Location, see Shift Lock Solenoid -N110-, location
- Removing and installing, see SHIFT MECHANISM, DISASSEMBLING AND ASSEMBLING
- Can be checked electrically, see TRANSMISSION, ELECTRICAL TESTING and via read measuring value block, see READ MEASURING VALUE BLOCK (FUNCTION 08)
- Cruise Control Switch -E45-
- Location, see Cruise Control Switch -E45-, location
- Removing and installing, see STEERING COLUMN, ASSEMBLY
- Can be checked via read measuring value block: see READ MEASURING VALUE BLOCK (FUNCTION 08) .
- Kick Down Switch -F8-
- Location, see Kick Down Switch -F8-, location
- When removing and installing kick down switch, remove and install accelerator cable, then adjust afterwards.
- Adjusting accelerator cable: see appropriate Fuel Supply article.
- Can be checked electrically (see TRANSMISSION, ELECTRICAL TESTING ), and via read measuring value block (see READ MEASURING VALUE BLOCK (FUNCTION 08) ).
- Brake Light Switch -F-
- Location: see Brake Light Switch -F-, location
- Removing and installing, see BRAKE PEDAL AND PEDAL CLUSTER, COMPONENT VIEW
- Can be checked electrically (see TRANSMISSION, ELECTRICAL TESTING ), and via read measuring value block (see READ MEASURING VALUE BLOCK (FUNCTION 08) ).
- Park/Neutral Position (PNP) Relay -J226-
- Location, see Park/Neutral Position (PNP) Relay -J226-, location