Fuel Injection System

Safety Precautions

Fuel pump is activated with switching on the ignition and by door contact switch of driver's door. Therefore for reasons of safety, connector - arrow - must be disconnected from fuel delivery unit before opening fuel supply system, if the battery is not disconnected.





CAUTION!
When doing any repair work, especially in the engine compartment, pay attention to the following due to clearance issues:

• Route lines of all types (e.g. for fuel, hydraulic, coolant and refrigerant, brake fluid, vacuum) and electrical wiring so that the original path is followed.

• Ensure sufficient clearance to all moving or hot components.

Observe the following if test and measuring instruments are required during a test drive:

CAUTION!
• Test and measuring instruments must be secured to rear seat and operated by a 2nd person from this location.

• If test and measuring instruments are operated from the front passenger's seat and the vehicle is involved in an accident, there is a possibility that the person sitting in this seat may receive serious injuries when the airbag is triggered.

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

CAUTION!
• Only disconnect and reconnect wires for glow plug and fuel injection systems, including test leads, when ignition is turned off.

• If engine is to be cranked at starting RPM without starting, e.g. for a compression test, separate the connection for pump-injector unit at cylinder head:

• Obtain radio code for radios with anti-theft coding before disconnecting battery.

• Always switch ignition off before disconnecting or connecting battery, as failure to do so may damage the control module for Diesel-Direct Fuel Injection System.