Readiness code, reading
Requirements
- There must not be any DTCs stored in DTC memory. Refer to Diagnostic mode 3: Check DTC Memory , Diagnostic mode 3: Check DTC memory.
Work procedure
- Connect diagnostic tester. Refer to 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 the right 8-digit number block:
If all diagnoses have run through successfully, the 8-digit number block
Specified value: 00000000 must be displayed.
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
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| 0 | Oxygen sensor heater OK | |||||||
| 0 | Oxygen sensors OK | |||||||
| 0 | A/C system OK
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| 0 | Secondary Air Injection (AIR) system OK | |||||||
| 0 | EVAP canister system (tank ventilation system) OK | |||||||
| 0 | Catalytic converter heater OK
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| 0 | Catalytic converter OK | |||||||
If a 1 is displayed instead of a 0 in the 8-digit number block:
- Generate readiness code. Refer to Readiness code, generating .