Audi Workshop Service and Repair Manuals

The CCS has no components of its own (except for the operating switch). All CCS functions are carried out by the Diesel direct injection system.

Test sequence

• ‒ Read data block, Display group 006, engine running at idling speed => Page 01-86.

→ Display on VAS 5051:

• ‒ Check readout in display zone -4-.
• ‒ Specification: 0 (CCS OFF) or
      1 (CCS ON)

Note:

If a value of 255 appears in display zone 4:

• ‒ Activate cruise control system => Page 23-128.

• ‒ Press the ◂ button to exit from the function "08 - Read data block".
• ‒ Select diagnosis function "06 - End output".
• ‒ Switch off ignition.

If the specification is not obtained:

• ‒ Connect test box V.A.G 1598/31 to wiring harness for engine control unit.Do notconnect to the engine control unit itself:
• ‒ Connecting test box to engine control unit without protective housing=>Page 23-49.
• ‒ Connecting test box to engine control unit with protective housing=>Page 23-51.

• ‒ → Connect multimeter (voltage measurement range) as follows:
• ‒ Switch on ignition.

If the specifications are not obtained:

• ‒ Measure voltage directly at CCS switch.

=> Current flow diagrams, Electrical fault finding and Fitting locations binder