 |
 |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/ Remedy |
| 1.0 |
  
(PSE) |
Engine hood (S62)
Alarm circuit |
A37
5 
|
|
A37
 4
(2)
|
Engine hood:
Closed
Open |
< 1 V
11 - 14 V |
Wiring,
S62
|
| 2.0 |
(PSE) |
Stop lamp switch (S9/1) Alarm
circuit |
A37
3
(2) |
|
A37
12
|
Ignition: ON
Apply service brake: |
< 1 V
11 - 14 V
|
Wiring,
S9/1 |
| 3.0 |
|
Alarm Horn (H3) |
A37
3
(2) |
|
A37
4
(2)
|
Insert bridge,
Use bridges with 124 589 37 63 00 safety cables only
|
Alarm sounds.
|
Wiring,
H3 |
| 4.0 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 4.1 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 5.0 |
|
Alarm siren with auxiliary battery
(H3/1)
Function
As of 06/98
|
|
|
|
HHT activation:
Alarm siren test |
Alarm siren sounds briefly
(0.2 seconds). |
5.1 |
| 5.1 |
|
Voltage supply |
2 |
H3/1
|
1
|
Disconnect connector at H3/1 |
11 - 14 V |
Wiring. |
| 5.2 |
|
Activate alarm |
|
|
|
Activate ATA.
Wait 15 seconds.
Disconnect connector at H3/1
To deactivate alarm, reconnect connector at H3/1 and deactivate ATA.
|
Acoustical
and
Optical
alarm. |
H3/1
Wiring,
A37 |
| 6.0 |
|
Headlamp circuit
Alarm circuit |
A37
1
(4) |
|
A37
4
(2)
|
Insert bridge.
Use bridges with 124 589 37 63 00 safety cables only.
|
Headlamps and taillamps illuminate
continously. |
Wiring,
Illumination control module (N7-1)
A37 |
| 7.0 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 8.0 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 9.0 |
 |
ATA tow sensor (B33)
Voltage supply |
5 |
B33
|
2
|
Activate ATA. |
11 - 14 V |
Wiring
|
| 9.1 |
|
Simulate alarm activation |
1 |
B33
|
2
|
Disconnect connector at B33
HHT activation: Anti-tow protection.
Insert bridge.
Use bridges with 124 589 37 63 00 safety cables only.
|
      
   
    |
Wiring,
A37
If values are OK:
B33 |
| 10.0 |
 |
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 10.1 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 11.0 |
 |
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 11.1 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 12.0 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 12.1 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 13.0 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 14.0 |
|
Not applicable for U.S.A. vehicles,
continue to next step. |
|
|
|
|
|
|
| 15.0 |
|
Foglamp circuit
(only  ) |
A37
4
(4) |
|
A37
3
(2)
|
Turn on exterior lamps. |
11 - 14 V |
Wiring,
If OK:
 23
6.0
|
Printable
version
