VOLVO_850_ODB_A2_ECU_DTC_Table.pdf

"VCC-021290 EN 2001-08-13"

Strona 1 z 2

DTC table

A fault may be either intermittent or permanent. An

intermittent fault is defined as a fault which is

temporary and, in certain cases, recurrent. A

permanent fault is one which is present continuously.

In the case of all diagnostic system faults with the

exception of a faulty KS signal or ICM knock control

circuit, the control module will re–adopt the correct

value of a previously faulty or missing signal once

the signal has been restored, rather than continuing to

use a fixed substitute value. In the case of output

signals, however, the engine must have been stopped.

The DTC remains stored in the control module for a

specific duration.

DTC

Fault text

Remarks

1–1–1

No faults detected by OBD system

If MIL lights up

1–1–2

Fault in ECM

MIL lights

1–1–5

Injector 1

MIL lights

1–2–1

MAF sensor signal

MIL lights

1–2–3

ECT signal

MIL lights

1–2–5

Injector 2

MIL lights

1–3–1

RPM sensor signal, missing

–

1–3–2

Battery voltage

–

1–3–5

Injector 3

MIL lights

1–4–3

Front KS, signal

MIL lights

1–4–5

Injector 4

MIL lights

1–5–3

Rear HO2S signal

MIL lights Certain markets only

1–5–4

EGR system, leakage

MIL lights Certain markets only

1–5–5

Injector 5

MIL lights

2–1–2

Front HO2S, signal (only USA/CDN)

MIL lights

2–1–2

Front HO2S, signal (not USA/CDN)

MIL lights Not fitted with rear

HO2S.

2–1–4

RPM sensor signal sporadic

MIL lights

2–2–3

IAC valve opening signal

MIL lights

2–2–5

A/C pressure sensor, signal

–

2–3–1

Long Term Fuel Trim, part load

MIL lights

2–3–2

Long Term Fuel Trim, idling

MIL lights

2–3–3

Long term idle air trim

–

2–4–1

EGR system, flow malfunction

MIL lights Certain markets only

2–4–5

IAC valve closing signal

MIL lights

3–1–1

VSS signal

–

3–1–4

CMP sensor signal

–

3–1–5

EVAP system

MIL lights Certain markets only

3–2–5

Memory failure

Only M/Y 94

3–3–5

Fault in lead between AW 50–42 and Motronic 4.3 (MIL

Request)

MIL lights Certain markets only

4–1–1

TP sensor signal

MIL lights

4–1–3

EGR temp. sensor signal

MIL lights Certain markets only

4–1–4

Boost pressure regulation

Only turbo

4–1–6

Boost pressure reduction from TCM

Certain markets only Only turbo

4–2–5

Rear HO2S, regulating

Only B5254S MIL lights

4–3–2

Temperature warning level 1

–

4–3–3

Rear KS, signal

MIL lights

4–3–5

Front HO2S slow response

MIL lights

file://C:\Info\vv103258\ie\en\17\vcc-021290.htm

2001-08-13

"VCC-021290 EN 2001-08-13"

Strona 2 z 2

4–3–6

Rear HO2S, compensation

MIL lights Certain markets only

4–4–3

TWC efficiency

Certain markets only*

4–4–4

Acceleration sensor, signal

MIL lights Certain markets only

4–5–1

Misfire cyl. 1

Certain markets only*

4–5–2

Misfire cyl. 2

Certain markets only*

4–5–3

Misfire cyl. 3

Certain markets only*

4–5–4

Misfire cyl. 4

Certain markets only*

4–5–5

Misfire cyl. 5

Certain markets only*

5–1–3

Temperature warning level 2

MIL lights

5–1–4

Engine cooling fan, low–speed signal

–

5–2–1

Front HO2S, preheating

MIL lights

5–2–2

Rear HO2S, preheating

MIL lights Certain markets only

5–3–1

Power stage group A

MIL lights

5–3–2

Power stage group B

MIL lights

5–3–3

Power stage group C

–

5–3–4

Power stage group D

–

5–3–5

TC control valve, signal

Only turbo

5–4–1

EVAP–valve, signal

MIL lights

5–4–2

Misfire more than 1 cylinder

Certain markets only*

5–4–3

Misfire at least 1 cylinder

Certain markets only*

5–4–4

Misfire more than 1 cylinder. TWC damage

Certain markets only*

5–4–5

Misfire at least 1 cyl. TWC damage

Certain markets only*

5–5–1

Misfire cyl. 1. TWC damage

Certain markets only**

5–5–2

Misfire cyl. 2. TWC damage

Certain markets only**

5–5–3

Misfire cyl. 3. TWC damage

Certain markets only**

5–5–4

Misfire cyl. 4. TWC damage

Certain markets only**

5–5–5

Misfire cyl. 5. TWC damage

Certain markets only**

* Activates MIL on B5254S.

** Flashing MIL lamp during misfiring, then

switches to steady light, applies only to B5254S.

file://C:\Info\vv103258\ie\en\17\vcc-021290.htm

2001-08-13

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