Vauxhall Workshop Service and Repair Manuals

Op. No.

Operation

Trouble

Time

Time

Codes

Allow.

Allow.

C 20 XE

C 25 XE

J 8516 00

Trouble Code - Read Out - Motronic M 2.8

.2

.2

TC: 99

(With TECH 1)

Add:

Trouble-shooting for test step:

01

Battery voltage

48, 49

.1

.1

09

TP signal

21, 22

.2

.2

31

Sim idle switch, sim full load switch

21, 22

.2

.2

05

Intake air temperature

69, 71

.1

.1

06

Coolant temperature

14, 15

.1

.1

07

Mass air flow meter

73, 74

.2

.2

39

Knock signal

16, 17, 19

.2

.2

40

Variant code

----

.1

.1

35

Hall sensor

93, 94

.2

.2

37

Vehicle speed, odometer pulse

---

.2

.2

25

AC info switch AC compressor switch

---

.2

.2

15

PARK / NEUTRAL switch                          MT

---

.1

.1

                                                                       AT

.1

.1

14

Torque control

75

.1

.1

41

Full load prohibition, ignition/injection cutoff

79, 97

.2

.2

42

Ignition coil cyl. 1/4

----

.1

--

Ignition coil cyl. 2/3

----

42

Ignition coil cyl. 1/4

----

--

.1

Ignition coil cyl. 2/5

----

--

Ignition coil cyl. 3/6

----

--

10

Engine load signal, TV load signal

----

.1

.1

33

Fuel pump relay

53, 54

.2

.2

34

AC cutoff relay

88

.1

.1

24

Tank vent valve

61, 62

.1

.1

43

Engine speed pulse

----

.1

.1

12

Nominal idle speed, engine speed

19, 31

.2

.2

44

Nominal idle air, actual idle air

----

.1

.1

17

IAC integrator,

56,57

.1

.1

IAC deviation,

IAC characteristic curve correction

19

O2 sensor circuit,

13, 38, 39

.2

.2

O2 oxygen sensor

21

O2 integrator,

13, 38, 39

.2

.2

O2 idle characteristic curve,

O2 partial load characteristic curve

13

Firing angle BTDC

----

.2

.2

45

Knock retardation

....

.2

.2

11

Injection pulse

25, 26, 27, 28

.1

.1

81, 82, 83, 84

C 25 XE

also

29,32, 85, 86

46

Telltale,

52

excitation lead,

----

.1

.1

injection cutoff

----

control IAC pos.

----

29

No trouble code display, comparison of

nominal/actual values for test steps ---- .5 .5

1 - 47 according to quick check list 4.5, F0: Data List

30

No trouble code display, comparison of

nominal/actual values for test steps 1 - 8

----

according to quick check list 4.7.5,

F5: Actuator Test

Ignition sparks 1 + 4

----

.4

--

Ignition sparks 2 + 3

----

--

Ignition sparks 1 + 4

----

--

Ignition sparks 2 + 5

----

--

.5

Ignition sparks 3 + 6

----

--

Telltale

52

.1

.1

IAC position

56, 57

.2

.2

Controlled canister purge valve

61, 62

.2

.2

AC cutoff relay

61, 62

.1

.1

47

No trouble code display, comparison of

nominal/actual values for test steps 1 - 2

----

according to quick check list 4.6.6, F6: ECU Reset

O2 characteristic curves

----

.1

.1

IAC characteristic curve

----

.1

.1

48

No trouble code display, comparison of

nominal/actual values for test steps 1 - 3

----

according to quick check list 4.6.7,

F8: ECU Control

Control engine speed

----

.1

.1

IAC position

56,57

.1

.1

Injector

25, 26, 27, 28,

.1

.1

29, 32, 81, 82,

83, 84, 85, 86

38

R + R Motronic M 2.8 control unit

----

.4

.2

(if necessary for carrying out certain test steps)

51

R + R AT control unit

----

.2

.2

(if necessary for carrying out certain test steps)

50

R + R ETC control unit

----

.2

.1

(if necessary for carrying out certain test steps)