Ignition System

Ignition System

To reduce the risk of personal injury and/or damage to the fuel injection and ignition system, always observe the following:

• Individuals with a pacemaker must not stay in the danger area of the high voltage systems, for example ignition system, xenon light.

• Fuel lines must not be opened when engine is running.

• Only disconnect and reconnect wires for injection and ignition system, including test leads, when ignition is switched off.

• If the engine is to be cranked at starting RPM without starting (for example for compression testing), disconnect connectors from the ignition coils and remove fuse for electric fuel pump.

• 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 DTC memory was erased, a new readiness code must be generated.

• Cleaning the engine should only be performed with the ignition turned off.

• If the engine is to be cranked at starting RPM without starting (for example for compression testing), disconnect the four connectors for the ignition coils, using the ignition coil puller (T40039). Refer to => [ Ignition Coils with Power Output Stages ] Service and Repair. Remove the fuse for the fuel pump control module (J538).






• The fuse is located in the fuse carrier in the instrument panel.

• By removing the fuse - in the fuse panel in the instrument panel on the driver side -, the voltage supply to terminal 30 for the Fuel Pump (FP) control module is interrupted.