Check exhaust camshaft timing adjustment
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, 2003 Volkswagen Jetta, and 2003 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.
- Change to display group 96 as follows:
- Press C key.
Indicated on display
| Basic setting Input display group number XXX |
- Press keys "0" , "9" and "6" for "Display group number 96" and confirm entry with "Q" key.
Indicated on display: (1...3 = display zones)
| System in basic setting 96 -> 1 2 3 |
- Depress brake pedal and hold.
- Depress accelerator down to wide open throttle position. Engine speed will be increased by engine control module to approx. 2300 rpm.
- Hold brake pedal and accelerator down until display in display zone 3 jumps from "Test OFF" to "Test ON".
- Continue to hold brake pedal and accelerator down until display zone 3 displays specification "Syst. OK.".
- Release brake and accelerator pedals.
If "Sys. OK." appears in display zone 3:
- Press → key.
- Press keys "0" and "6" for function "End output" and confirm entry with "Q" key.
- Switch ignition off.
If "Syst.n.OK." appears in display zone 3:
- Press → key.
- Check DTC memory: → 01 ON BOARD DIAGNOSTIC (OBD)
- Read readiness code: → 01 ON BOARD DIAGNOSTIC (OBD)
- Generate readiness code again if DTC memory has been erased or engine control module separated from permanent positive supply: → 01 ON BOARD DIAGNOSTIC (OBD)
If no DTC is stored in DTC memory:
- Press keys "0" and "6" for function "End output" and confirm entry with "Q" key.
- Switch ignition off.
- Check Camshaft Position (CMP) sensor G40 and Camshaft Position (CMP) sensor G163 (connections may be interchanged): → 28 IGNITION/GLOW PLUG SYSTEM
- Check oil pressure → Oil pressure and oil pressure switch, checking , Checking oil pressure and oil pressure switch.
- Check valve timing → Valve timing, checking .
When no faults can be located:
- Replace exhaust camshaft timing adjuster → Camshafts, removing and installing , Removing and installing camshaft