Audi Workshop Service and Repair Manuals > A4 Mk1 > Power unit | TDI injection and glow plug system (6-cyl.) | Self diagnosis, V.A.G Inspection Service | Reading measured value block | Readout specifications for injection pump | Display group 19 in case of attempted start (only if engine does not start)

Display group 19 in case of attempted start (only if engine does not start)

Read measured value block 19

→

▾ Indicated on display

310 rpm

0.7° BTDC

35.7 °CA

14.3° C

Fuel temperature

Activation time of metering solenoid valve

l	Readout value increases in periodic jumps: okay (injection pump working)

l	0° CA: metering control closed ⇒ interrogate fault memory, → Chapter

Start of delivery

l	2.0° ATDC...4.7° BTDC: okay

l	Retarded more than 2.0° ATDC: start of delivery retarded too far ⇒ check commencement of injection, → Chapter

Engine speed

Note

The fault reader will terminate the diagnosis if the voltage of the electrical system drops below 10.8 V during the attempted start.

Audi Workshop Service and Repair Manuals