air condition AUDI A4 2000 B5 / 1.G AEB Engine Readiness Codes

01-61
If the readiness code was not generated,
generate readiness code again Page 01
-62
.

- Check readiness code Page 01
-59
. If DTC
memory has been erased, or ECM has been
disconnected from B+, generate readiness code
again Page 01
-62
.
Explanation of 8-digit readiness code Readiness code is generated only when all display values = 0 1
2
3
4
5
6
7
8
Diagnosis
0 Three Way Catalytic Converter (TWC)
0 TWC heating (not applicable / always "0")
0 EVAP system and fuel tank leak detection test
0 Secondary Air Injection (AIR) system (not applicable / always "0")
0 Air conditioning system (diagnosis not applicable / always "0")
0 Oxygen Sensor (O2S) control
0 Oxygen Sensor (O2S) heating
0 Exhaust Gas Recirculation (EGR) system (not applicable / always "0")
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Step 5: Oxygen Sensor (O2S) control
operating condition Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block"
function 08, and press -Q- button to confirm input.
Read Measuring Value Block
HELP
Input displa
y group number XXX

Indicated on display
- Press buttons -0-, -3- and -0- to input display group number 30, and
press -Q- button to confirm input.
Read Measuring Value Block 30
1
2
3
4

Indicated on display (1-4 display fields) - Increase engine speed to 1800-2200 RPM.
- Hold at 1800-2200 RPM until:

Specified value of "111" is reached in display field 1
Specified value of "110" is reached in display field 2
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Display fields

1 2 3 4
Display group 30: Oxygen Sensor (O2S) control operating condition
Display xxx xxx
Indicated Status of Heated Oxygen Sensor (HO2S), bank 1,
before TWC (B1-S1) Status of Heated Oxygen Sensor (HO2S), bank
1, after TWC (B1-S2)
Specified
value 111 110 ---
---


Evaluation Page 01
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Evaluation Page 01
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If the specified values are not indicated:

- Check DTC memory Page 01
-15
.
If the specified values are indicated in display
fields 1 and 2:

- Continue to hold engine speed at 1800-2200
RPM.
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Note:
If display field 4 changes from "Test ON" to "Test
OFF" and "Abort" appears in display field 2,
repeat the diagnosis of fuel tank leak detection.
Repeating the diagnosis can take up to approx.
60 seconds until the display changes from "Test
OFF" to "Test ON"in display field 4.
Diagnosis conditions for fuel tank leak detection:

Intake Air Temperature (IAT) must be less than
90 C (194 F) Display group 4, display field
4

Engine Coolant Temperature (ECT) must be
less than 95 C (203 F) Display group 4,
display field 3

Throttle valve angle must be smaller than 10
Display group 3, display field 3
If "SYST. n. OK" is indicated in display field 4:

- Check DTC memory Page 01
-15
.
If the specified value "SYST. OK" is indicated in
display field 4:

-
Press button to advance program
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