vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

F0: DATA LIST - Test Step 33 INJECTION PULSE > < F0: DATA LIST - Test Step 31 PARK/NEUTRAL SW.

Multec (X 12 SZ / X 16 SZ) F0: DATA LIST

 

 

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

32

TORQUE CONTROL

AT only

Constant speed

INACTIVE

75, 76

D 7, B 5,

 

 

Transmission shifts under load

ACTIVE

 

 

Trouble - shooting:

Nominal Value:

Cause of Fault:

(If nominal value is not attained)

 

·   Ignition OFF

·   Disconnect plug X 26 from K 85 (automatic transmission control unit)

·   Measure voltage:

from:   wiring harness plug K 85 Ter. 13

to:        ground

·   Ignition ON

 

11.5 to 13.5 V

·   Lead interruption

from:   wiring harness plug K 85 Ter. 13

to:        control unit K 57 Ter. D 7

·   Short circuit in wiring harness

from:   control unit K 57 Ter. D 7

to:        ground K 57 defective.

·   Bridge lead intermittently (pulse ground):

from:   wiring harness plug K 85 Ter. 29

to:        ground

 

TECH 1 displays:

ACTIVE

·   Short circuit in wiring harness

from:   control unit K 57 Ter. D 7

to:        vehicle voltage

·   Control unit K 57 defective.

·   Measure voltage:

from:   wiring harness plug K 85 Ter. 25

to:        ground

·   Engine running at idle speed, operating temperature

1.6 - 1.9 V

·   Lead interruption

from:   wiring harness plug K 85 Ter. 25

to:        control unit K 57 Ter. B 5

 

·   Briefly depress accelerator pedal to full load stop (full throttle)

greater than 2 V

·   Short circuit in wiring harness

from:   control unit K 57 Ter. B 5

to:        ground

·   Control unit K 57 defective.

 

·   Ignition OFF

·   Connect plug K 85

·   Engine running at idle speed, operating temperature

·   Measure voltage:

from:   wiring harness plug K 85 Ter. 25

to:        ground

1.6 - 1.9 V

 

·   Briefly depress accelerator pedal to full throttle stop (full throttle)

 

greater than 2 V

·   Control unit K 85 defective.

·   Ignition OFF

·   Measure voltage:

from:   wiring harness plug X 26 Ter. A

to:        ground

·   Ignition ON

11.5 to 13.5 V

·   Plug connection defective (loose contact):

X 26 Ter. B (Astra - F)

X 26 Ter. C (Astra - F)

·   Control unit K 85 defective.

 

 


Related Literature Units
-F2:Trouble Code Table - Trouble Code 75 TORQUE CONTROL VOLTAGE LOW
-

F0: DATA LIST - Test Step 33 INJECTION PULSE > < F0: DATA LIST - Test Step 31 PARK/NEUTRAL SW.