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 .