Ignition System Component Overview
NOTE:
For trouble free operation of the electrical components a voltage of at least 11.5 volts is necessary.
It is possible that the control module will recognize a malfunction and store a Diagnostic Trouble Code (DTC) during some tests. After completing all checks and repairs, check the DTC memory and erase the memory, if necessary.
If the engine only starts briefly and then shuts off again after troubleshooting, repairs or checking of the components, it may be that the immobilizer is blocking the Engine Control Module (ECM). The ECM may have to be adapted.
- Knock Sensor 2 Connector
- Gray
- Contacts are gold plated.
- Installed position, refer to Fig 2.
- Knock Sensor 1 Connector
- Green
- Contacts are gold plated.
- Installed position, refer to Fig 2.
- Knock Sensor 2 -G66-
- Installed position: The wire connection points 45° toward the right on the outside.
- Overview, refer to KNOCK SENSOR OVERVIEW .
- Knock Sensor 1 -G61-
- Installed position: The wire connection points downward vertically.
- Overview, refer to KNOCK SENSOR OVERVIEW .
- Bolt
- 20 Nm
- Tightening specification affects the function of the knock sensor.
- Ignition Coil with Power Output Stage -N70, N127, N291, N292, N323-
- Removing and installing, refer to IGNITION COIL WITH POWER OUTPUT STAGE .
- Spark Plug
- 25 Nm
- Type and electrode gap, refer to TEST DATA AND SPARK PLUGS .
- Remove and install using the spark plug removal tool 3122 B.
- Bolt
- 10 Nm
- Camshaft Position Sensor -G40-
- Contacts are gold plated.
- O-ring
- Replace if damaged.
- Green for the knock sensor 1
- Gray for the knock sensor 2