Home/Opel/Corsa/Opel Corsa B (1993-2000)/Repair manual/Fuel Injection Systems/F0:Data List - Test Step 30 A/c Load Signal
Contents Wiring diagrams Section: Fuel Injection Systems All sections

F0:Data List - Test Step 30 A/c Load Signal Opel Corsa B

Multec-M (14 SE / C 14 SE / C 16 SE) F0:DATA LIST

No.TECH 1 DisplayConditions for CheckingNominal ValueTrouble CodesTerminal
30A/C LOAD SIGNALIgnition OFF

Disconnect plug from AC load

switch and bridge

Ignition ON

Engine running at idle speed

AC switch ON

Remove short circuit from

plug S 109

ACTIVE 12V

INACTIVE 0V-D 6 / D 1
Trouble-shooting:Nominal Value:Cause of Fault:
(If nominal value is not attained)

· test step 29:

OKCarry out check 29

· Ignition OFF

· Disconnect wiring harness plug X 8 / X 4

· Bridge X 8:

from: X 8 Ter. 4 / X4 Ter. 2 (at the control unit side)

to: battery voltage Ter. 30

· Ignition ON

ACTIVE 12V· Lead interruption

from: control unit plug K 57/K 91 Ter. D 6

to: plug X 8 Ter. 4 / X 4 Ter. 2

· Control unit defective

For Astra F only:

· Ignition OFF

· Connect wiring harness plug X 8

· Bridge plug at switch S 109

(AC load, speed increase)

from: S 109 Ter. 1

to: S 109 Ter. 2

· Ignition ON

· AC switch ON

ACTIVE 12V

Fan operating

· Lead interruption

from: S 109 Ter. 2

to: plug X 7 Ter. F

or

from: plug X 7 Ter. F

to: plug X 8 Ter. 4

· Short circuit in the wiring harness

from: S 109

to: ground

For Corsa B only:

· Ignition OFF

· Connect wiring harness plug X 4

· Bridge plug at switch S 109

(AC load, speed increase)

from: S 109 Ter. 1

to: S 109 Ter. 2

· Ignition ON

· AC switch ON

ACTIVE 12V

Fan operating

· Fuse F 21 defective

· Lead interruption

from: fuse F 21

to: wiring harness plug X 6 Ter. 61

or

from: wiring harness plug X 6 Ter. 61

to: switch S 109

or

from: switch S 109

to: wiring harness plug X 6 Ter. 58

· Short circuit in wiring harness

from: switch S 109

to: ground