Check ignition angle retardation of the individual cylinders: Notes
- 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 OR VAG1551 SCAN TOOL (ST), CONNECTING AND SELECTING FUNCTIONS
.
Engine must run at idle 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-, -2- and -0- to select "display group number 020" and press -Q- button to confirm input.
When indicated on display:
- Check indication in all display fields.DISPLAY GROUP 020: IGNITION -KNOCK CONTROL IN DRIVING OPERATION
Display fields 1 2 3 4 Display group 020: Ignition -knock control in driving operation Display xx.x ° KW xx.x ° KW xx.x ° KW xx.x ° KW Indicated Ignition angle retardation cylinder 1 via knock control Ignition angle retardation cylinder 2 via knock control Ignition angle retardation cylinder 3 via knock control Ignition angle retardation cylinder 4 via knock control Knock sensor control Knock sensor control Knock sensor control Knock sensor control Specified value 0 to 12 ° KW 0 to 12 ° KW 0 to 12 ° KW 0 to 12 ° KW Notes Evaluation , see EVALUATION DISPLAY GROUPS 020/021/022/023/024 - IGNITION ANGLE RETARDATION .
NOTE:
- Ignition angle retardation occurs in ° KW (crankshaft degrees) toward retardation.
- The number values indicated in display fields 1 to 4 represent actual ignition angle retardation via knock control of the individual cylinders.
- Press -C- button.
When indicated on display:
- Press buttons -0-, -2- and -1- to select "display group number 021" and press - Q- button to confirm input.
When indicated on display:
- Check indication in display field 1 and 2.DISPLAY GROUP 021: IGNITION -KNOCK CONTROL IN DRIVING OPERATION
Display fields 1 2 3 4 Display group 021: Ignition -knock control in driving operation Display xx.x ° KW xx.x ° KW Indicated Ignition angle retardation cylinder 5 via knock control Ignition angle retardation cylinder 6 via knock control Knock sensor control Knock sensor control Specified value 0 to 12 ° KW 0 to 12 ° KW Notes Evaluation , see EVALUATION DISPLAY GROUPS 020/021/022/023/024 - IGNITION ANGLE RETARDATION .
NOTE:
- Ignition angle retardation occurs in ° KW (crankshaft degrees) toward retardation.
- The number values indicated in display fields 1 and 2 represent actual ignition angle retardation via knock control of the individual cylinders.
- Press -C- button.
When indicated on display:
- Press buttons -0-, -2- and -2- to select "display group number 022" and press - Q- button to confirm input.
When indicated on display:
- Check indications in display field 3 and 4.DISPLAY GROUP 022: IGNITION -KNOCK CONTROL IN DRIVING OPERATION
Display fields 1 2 3 4 Display group 022: Ignition -knock control in driving operation Display xxxx/min xxx.x% xx.x ° KW xx.x ° KW Indicated Engine speed (RPM) Engine load Ignition angle retardation cylinder 1 via knock control Ignition angle retardation cylinder 2 via knock control Knock sensor control Knock sensor control Specified value xxxx/min 12 to 100% 0 to 12 ° KW 0 to 12 ° KW Notes Evaluation , see EVALUATION DISPLAY GROUPS 020/021/022/023/024 - IGNITION ANGLE RETARDATION .
NOTE:
- Ignition angle retardation occurs in ° KW (crankshaft degrees) toward retardation.
- The number values indicated in display fields 3 and 4 represent actual ignition angle retardation via knock control of cylinders 1 and 2.
- Press -C- button.
When indicated on display:
- Press buttons -0-, -2- and -3- to select "display group number 023" and press - Q- button to confirm input.
When indicated on display:
- Check indications in display field 3 and 4.DISPLAY GROUP 023: IGNITION -KNOCK CONTROL IN DRIVING OPERATION
Display fields 1 2 3 4 Display group 023: Ignition -knock control in driving operation Display xxxx/min xxx.x% xx.x ° KW xx.x ° KW Indicated Engine speed (RPM) Engine load Ignition angle retardation cylinder 3 via knock control Ignition angle retardation cylinder 4 via knock control Knock sensor control Knock sensor control Specified value xxxx/min 12 to 100% 0 to 12 ° KW 0 to 12 ° KW Notes Evaluation , see EVALUATION DISPLAY GROUPS 020/021/022/023/024 - IGNITION ANGLE RETARDATION .
NOTE:
- Ignition angle retardation occurs in ° KW (crankshaft degrees) toward retardation.
- The number values indicated in display fields 3 and 4 represent actual ignition angle retardation via knock control of cylinders 3 and 4.
- Press -C- button.
When indicated on display:
- Press buttons -0-, -2- and -4- to select "display group number 024" and press - Q- button to confirm input.
When indicated on display:
- Check indications in display field 3 and 4.DISPLAY GROUP 024: IGNITION -KNOCK CONTROL IN DRIVING OPERATION
Display fields 1 2 3 4 Display group 024: Ignition -knock control in driving operation Display xxxx/min xxx.x% xx.x ° KW xx.x ° KW Indicated Engine speed (RPM) Engine load Ignition angle retardation cylinder 5 via knock control Ignition angle retardation cylinder 6 via knock control Knock sensor control Knock sensor control Specified value xxxx/min 12 to 100% 0 to 12 ° KW 0 to 12 ° KW Notes Evaluation , see EVALUATION DISPLAY GROUPS 020/021/022/023/024 - IGNITION ANGLE RETARDATION .
NOTE:
- Ignition angle retardation occurs in ° KW (crankshaft degrees) toward retardation.
- The number values indicated in display fields 3 and 4 represent actual ignition angle retardation via knock control of cylinders 5 and 6.