Test sequence

• Connect VAS5051 tester or VAG1551 scan tool and select control module for engine electronics using "address word" 01. See VAS 5051 VEHICLE DIAGNOSTIC, TESTING AND INFORMATION SYSTEM ORVAG1551 SCAN TOOL (ST), CONNECTING AND SELECTING FUNCTIONS .

Ignition must remain switched on for this.

When indicated on display:

• Press buttons -0- and -8- to select "Read Measuring Value Block" and press -Q- button to confirm input.

When indicated on display:

• Press buttons -0-, -8- and -6- to select "display group number 086" and press -Q- button to confirm input.

When indicated on display:

• Check readiness code in display field 1
  • Specification: 0 0 0 0 0 0 0 0

	Display fields
	1	2	3	4
Display group 086: Readiness code
Display	0 0 0 0 0 0 0 0	X X X X X X X X	X X X X X X X X	X X X X X X X X
Indicated	Status-digits  completed tests	individual tests carried out	individual tests carried out	individual tests carried out
Functional range	1 = not completed  0 = completed	1 = not completed 0 = completed	1 = not completed 0 = completed	1 = not completed 0 = completed
Specified value	0 0 0 0 0 0 0 0	X X X X X X X X	X X X X X X X X	X X X X X X X X
Notes	Meaning of readiness code  , see Fig 4.

Note for display field 1: 

Display field 1 is the most important. This indicates which system was checked via On Board Diagnostic (OBD) since the last time DTC memory was erased or a new control module was implemented. After DTC memory is erased, all testable values are set to 1, after the test is performed, the values are set to 0  .

Once the specified value "0 0 0 0 0 0 0 0" is reached in display field 1:

• Press -->button.

Indicated on display (function selection):

• Check DTC memory as a control measure. See CHECK DTC MEMORY (FUNCTION 02) AND ERASE DTC MEMORY (FUNCTION 05)  (no malfunctions may be stored).

If specified value is not obtained:

• Generate readiness code. See READINESS CODE, GENERATING .