Checking function
- Connect test box to control module wiring harness, see CONNECT TEST BOX FOR WIRING TEST .
- Re-connect connector at Charge Air Pressure Sensor -G31-.
- Use adapter cables from VAG1594 to connect multimeter to sockets 101 (B+) + 108 (Ground - GND-) for voltage measurement.
- Start engine and measure voltage.
Specified value: 1.80 to 2.00 volts
- Bring engine to RPM by depressing accelerator pedal suddenly.
Specified value: 2.00 to 3.00 volts
If specified values are not obtained:
- Replace Charge Air Pressure Sensor -G31-, see item 3
- Erase DTC memory of Engine Control Module (ECM), see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
- Generate readiness code, see READINESS CODE, GENERATING .