Check phase position of Camshaft Position (CMP) sensor
- 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-, -9- and -3- to select "display group number 093" and press -Q- button to confirm input.
When indicated on display:
- Check specified values of Camshaft Position (CMP) sensor.DISPLAY GROUP 093: PHASE POSITION OF CAMSHAFT POSITION (CMP) SENSOR BANK 1 AND BANK 2 WITH ENGINE AT IDLE
Display fields 1 2 3 4 Display group 093: Phase position of Camshaft Position (CMP) sensor Bank 1 and Bank 2 with engine at idle . Display xxx /min xx% ° KW ° KW Indicated Engine speed Engine load Phase position Phase position Bank 1 Bank 2 Functional range 670 to 6800 RPM 12 to 100% -20 to 15 ° KW -20 to 15 ° KW Specified value 720 to 820 RPM (1)
670 to 770 RPM (2)12 to 26% -20 to 15 ° KW -20 to 15 ° KW Notes If specified values are not reached, unscrew Camshaft Position (CMP) sensor and check whether shutter wheel is mounted properly at camshaft (if mounted improperly, locking lug will get squished when mounting bolt is tightened) . - Also check engine timing
See TIMING BELT .(1) Front Wheel Drive Vehicles (2) All-Wheel Drive Vehicles
NOTE:
° KW = crankshaft degrees
If specified values are obtained:
- Press -->button.
Indicated on display (function selection):