|
No.
|
TECH 1 Display
|
Conditions for Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
| 05 |
|
ENGINE HOOD SW.
|
Bonnet
closed
Bonnet
open
Note:
TECH
1 indicates the switch condition of the contact in question, i.e. ENGINE HOOD SW. CLOSED means:
Switch
closed = 0 V, bonnet open
|
OPEN 12V
CLOSED 0V
|
33
|
27
|
| Notes
on Trouble-shooting: |
|
Nominal
Value:
|
Cause
of Fault:
(If
nominal value is not attained)
|
| · Release and disconnect wiring harness plug
S120 from bonnet switch |
|
OPEN 12V
|
· Body wiring harness, short circuit to ground
from: K94/Ter. 27
to: bonnet switch S120
· Control unit K94 defective
|
| · Connect contacts in wiring harness plug
S120 |
|
CLOSED 0V
|
· Body wiring harness, interruption
from: K94/Ter. 27
to: bonnet switch S120
· Body wiring harness, interruption
from: bonnet switch S120
to: ground
· Control unit K94 defective
|
| If nominal values are attained: |
|
|
· Bonnet switch S120 defective
|
|
|
|
|
|
|
|
