Passat Syncro Wagon V6-2771cc 2.8L DOHC (AHA) (1998)
Knock Sensor: Service and Repair
General Notes On The Ignition System
General Notes On The Ignition System
-
Only the components which specifically relate to the ignition system are described here.
-
Disconnecting and connecting the battery must only be done with the ignition switched off otherwise the Engine Control Module (ECM) could be
damaged.
-
The ECM is equipped with On Board Diagnostic (OBD).
-
Components marked with * are checked by on board diagnostic "On Board Diagnostic (OBD II)/Checking and Erasing DTC memory". See:
Powertrain Management/Computers and Control Systems/Testing and Inspection
-
For trouble-free operation of the electrical components a voltage of at least 11.5 volts is necessary
-
During some checks it is possible that the ECM will recognize and store a DTC. After completing all checks and repairs the DTC memory must be
checked and if necessary erased See, "Checking and Erasing DTC memory"
Safety precautions. See: Powertrain Management/Ignition System/Service Precautions
Technical data, spark plugs. See: Engine, Cooling and Exhaust/Engine/Tune-up and Engine Performance Checks/Spark Plug/Specifications