|
No.
|
TECH 1 Display
|
Conditions for Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
| 14 |
|
IMMOBILI- SATION
|
Ignition
OFF
Driver's
door closed
Immobiliser
OFF
|
INACTIVE
|
42
|
34
|
| |
|
|
Press
centre button of infrared transmitter
Immobiliser
ON
|
ACTIVE 0V
|
|
|
|
|
|
Press
centre button of infrared transmitter
Immobiliser
OFF
|
INACTIVE
|
|
|
|
|
|
Note:
If
the TECH 1 parameter IMMOBILISATION
remains
ACTIVE 0V despite
the above check, i.e. the immobiliser cannot be deactivated, at least one key
must be programmed.
(See
3.3.5 Central Door Locking System, F7:Programming)
After
successfully programming, the immobiliser can be switched off with the
infrared transmitter.
In
vehicles for Great Britain, the immobiliser is always ACTIVE when the ignition key is removed from the ignition
lock.
|
|
|
|
| Notes
on Trouble-shooting: |
|
Nominal
Value:
|
Cause
of Fault:
(If
nominal value is not attained)
|
| The signal for
activating/deactivating the immobiliser is supplied by the central locking
control unit K37. |
|
|
|
| · Release and disconnect wiring harness plug
K94 from ATWS control unit |
|
|
|
| · Using multimeter, measure voltage |
|
|
|
| · Activate immobiliser |
|
approx.
0 volts
|
· Body wiring harness, interruption
from: K37/Ter. 9
to: X1/Ter. 68
· Instrument panel wiring harness, interruption
from: X1/Ter. 68
to: K94/Ter. 34
· Central locking control unit K37 defective
|
| · Deactivate immobiliser |
|
approx.
6 volts
|
· Body wiring harness, short circuit
from: K37/Ter. 9
to: X1/Ter. 68
· Instrument panel wiring harness, short circuit
from: X1/Ter. 68
to: K94/Ter. 34
· Central locking control unit K37 defective
|
| If nominal values are attained: |
|
|
· Control unit K94 defective
|
|
|
|
|
|
|
|
