Readiness Code, Reading
Requirements
- There must not be any DTCs stored in DTC memory → Diagnostic Mode 03 - Read DTC Memory , Diagnostic mode 3: Check DTC memory.
Work Procedure
- Connect diagnostic tester → Diagnostic Tester, Connecting .
- Start engine and let run at idle.
- Under address word 33, select "Diagnostic mode 1: Check measured values".
- Select desired measuring value "PID 01".
- Observe right 8-digit number block: If all diagnostics have run through successfully, the following specified value 8-digit number block must appear: 00000000.
Evaluation PID 01 - System Status-Information, Right 8-Digit Number Block
| Meaning if display position = 0 | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Diagnostic function |
| 0 | Exhaust gas recirculation OK Not available/always 0 | |||||||
| 0 | Oxygen sensor heater OK | |||||||
| 0 | Oxygen sensors OK | |||||||
| 0 | Air conditioning system OK Not available/always 0 | |||||||
| 0 | Secondary Air Injection (AIR) system OK | |||||||
| 0 | EVAP canister system (tank ventilation system) OK | |||||||
| 0 | Catalytic converter heater OK Not available/always 0 | |||||||
| 0 | Catalytic converter OK | |||||||
If a 1 is displayed instead of a 0 in the 8-digit number block:
- Generate readiness code → Readiness Code, Generating .