Readiness Code Generating (VW Drive Cycle)

Readiness Code, Generating

Requirements







- The respective fuses of the Motronic fuel injection and ignition system must be OK:
- Battery voltage must be at least 11.5 volts.
- All electrical consumers such as, lights and rear window defroster must be switched off.
- If vehicle is equipped with an A/C system, it must be switched off.
- Ground (GND) connections between engine and chassis must be OK.
- There must not be any DTCs stored in DTC memory. Diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory
- Intake air temperature 5 to 35 degrees C. Diagnostic mode 1: Check measured values; PID 15: Intake Air Temperature (IAT) Diagnostic Mode 1: Check Measuring Values
- Throttle valve angle 12.0 to 16.0%. Diagnostic mode 1: Check measured values; PID 17: Throttle valve position (absolute) Diagnostic Mode 1: Check Measuring Values

Work procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Start engine and let run at least 15 minutes at idle.
- Perform a 15 minute road test in the highest gear or in the highest driving mode on a level driving surface. The following operating conditions must be met during this road test:
- Engine speed approx. 1800 to 2200 RPM. Diagnostic mode 1: Check measured values; PID 12, engine rotations per minute (RPM) Diagnostic Mode 1: Check Measuring Values
- Vehicle speed constant 90 km/h. Diagnostic mode 1: Check measured values; PID 13, Vehicle speed. Diagnostic Mode 1: Check Measuring Values
Observe the safety precautions that apply to road tests.
- Read readiness code. Readiness Code Reading