Gasoline Engines With Electronically-Operated Throttle Valve Only
Gasoline Engines With Electronically-operated Throttle Valve Only
Testing cruise control system
- Connect VAG1551 scan tool and use "Address word 01" to select engine control module.
The engine should be idling.
Except for the control lever, there are no system components for the cruise control system. All functions are carried out by the engine control module.
Initiating "Read Measuring Value Block" scan tool function 08
Indicated on display
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -8- to select "Read Measuring Value Block" function 08.
Indicated on display
Rapid data transfer Q
08 - Read Measuring Value Block
- Press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block HELP
Input display group number XXX
- Enter display group number 066.
The engine should be idling.
- Press -Q- button to confirm input.
The measured value block which has been selected will appear in the standard format.
Display group overview
Display group 066
Indicated on display
Read Measuring Value Block 66 "
0 km/h 1 0 0 0 0km/h 0 0 0 0
Checking displays in display fields 2 and 4
Read Measuring Value Block 66 "
0 km/h 1 0 0 0 0km/h 0 0 0 0
Display check, display field 2
Test conditions Display field 2
Cruise control released (activated) 1000
Brake applied (brake pedal switch) 1011
Clutch applied 1100
If the nominal value in display field 2 for "cruise control released" (1000) is not attained:
- Check engine control module identification.
- If "G" is not displayed after component name, cruise control is not activated. Activate cruise control system.
Read Measuring Value Block 66 "
0 km/h 1 0 0 0 0km/h 0 0 0 0
Display check, display field 4
Test conditions Display field 4
Switch -B- in "OFF" (AUS) position 0000
Switch -B- to "ON" (EIN) position 0011
Memory set, switch -B- to "OFF"
(AUS) before engaging 0001
Button -A- pressed, "SET" (FIX) 0111
Switch -B- to "RES" (AUFN) 1011
If the nominal values in display field 4 are not attained even though switch -B- is set to "ON" (0011):
- Connect VAG1598/31 breakout box to engine control module harness.
Activating cruise control
- Connect VAG1551 scan tool (VAG1552).
- Insert "Address word 01" to select engine control module.
Indicated on display
Rapid data transfer HELP
Select function XX
- Press button -1- twice for "Login procedure" function 11 and press -Q- button to confirm input.
Indicated on display
Login procedure HELP
Input code number XXXXX
- Input code 11463 and press -Q- button to confirm input.
Deactivate cruise control
- Connect VAG1551 scan tool (VAG1552).
- Use "Address word 01" to select engine control module.
Indicated on display
Rapid data transfer HELP
Select function XX
- Press button -1- twice for "Login procedure" function and press -Q- button to confirm input.
Indicated on display
Login procedure HELP
Input code number XXXXX
- Input code 16167 and press -Q- button to confirm input.