 |
 |
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
  
 |
ADS control module (N51)
Circuit 87 SA
Voltage supply |
35  |
N51
 |
 26 |
Ignition: ON |
11 - 14 V |
1.1,
W16,
Wiring.
|
| 1.1 |
|
Voltge supply from base module (N16/1)
|
|
|
N51
26 |
Ignition: ON |
11 - 14 V |
Fuse (F3) at N16/1,
1.1  23,
Wiring.
|
| 2.0 |
|
Diagnosis output |
35 |
N51
|
25 |
Ignition: ON |
10 - 14 V |
Wiring,
ADS control module (N51).
|
| 3.0 |
 |
ADS MIL (A1e27) |
35 |
N51
|
8 |
Ignition: OFF
Disconnect N51.
Ignition: ON |
11 - 14 V
|
Wiring,
A1e27. |
| 4.0 |
|
Voltage supply
Body acceleration sensors
(B24/3, B24/4, B24/6)
Front, rear axle level sensors (B22/2, B24/3) |
30 |
N51
|
29 |
Ignition: ON |
4.75 - 5.25 V |
ADS control module (N51). |
| 5.0 |
 |
Steering angle
sensor (N49)
Voltage supply
circuit 30
|
2 |
N49x1
|
4 |
Ignition: OFF
Disconnect steering angle
sensor connector (N49x1).
|
11 - 14 V |
Wiring.
|
| 5.1 |
|
Voltage supply
circuit 87
|
2 |
N49x1
|
3 |
Ignition: ON |
11 - 14 V |
Wiring. |
| 6.0 |
|
Steering angle sensor
Initialization |
|
|
|
Engine: at Idle
Turn steering wheel from right to left stop.
|
A1e27 goes out.
|
5.0 |
| 7.0 |
|
Left front axle damper valve assembly (Y51)
Voltage supply |
35 |
N51
|
19 |
Ignition: ON |
11-14 V
|
Wiring,
ADS control module (N51). |
| 7.1 |
|
Front axle solenoid
valve 1 (Y51y1)
|
39 |
N51
 |
19 |
Ignition: OFF
Disconnect N51. |
10 - 16 
|
Wiring,
Y51 |
| 7.2 |
|
Front axle solenoid
valve 2 (Y51y2)
|
40 |
N51
|
19 |
Ignition: OFF
Disconnect N51. |
10 - 16
|
Wiring,
Y51 |
| 8.0 |
|
Right front axle damper valve assembly (Y52)
Voltage supply |
35 |
N51
|
21 |
Ignition: ON |
11-14 V
|
Wiring,
ADS control module (N51). |
| 8.1 |
|
Front axle solenoid
valve 1 (Y52y1)
|
41 |
N51
|
21 |
Ignition: OFF
Disconnect N51. |
10 - 16
|
Wiring,
Y52 |
| 8.2 |
|
Front axle solenoid
valve 2 (Y52y2)
|
22 |
N51
|
21 |
Ignition: OFF
Disconnect N51. |
10 - 16
|
Wiring,
Y52 |
| 9.0 |
|
Left rear axle damper valve assembly (Y53)
Voltage supply |
35 |
N51
|
31 |
Ignition: ON |
11-14 V |
Wiring,
ADS control module (N51).
|
| 9.1 |
|
Rear axle solenoid
valve 1 (Y53y1)
|
24 |
N51
|
31 |
Ignition: OFF
Disconnect N51. |
10 - 16 |
Wiring,
Y53
|
| 9.2 |
|
Rear axle solenoid
valve 2 (Y53y2)
|
3 |
N51
|
31 |
Ignition: OFF
Disconnect N51. |
10 - 16 |
Wiring,
Y53
|
| 10.0 |
 |
Right rear axle damper valve assembly (Y54)
Voltage supply |
35 |
N51
|
2 |
Ignition: ON |
11-14 V |
Wiring,
ADS control module (N51).
|
| 10.1 |
|
Rear axle solenoid
valve 1 (Y54y1)
|
23 |
N51
|
2 |
Ignition: OFF
Disconnect N51. |
10 - 16 |
Wiring,
Y54
|
| 10.2 |
|
Rear axle solenoid
valve 2 (Y54y2) |
1 |
N51
|
2 |
Ignition: OFF
Disconnect N51. |
10 - 16 |
Wiring,
Y54
|
| 11.0 |
|
Rear axle height reduction valve (Y36/6)
Voltage supply |
35 |
N51
|
37 |
Ignition: ON |
11-14 V |
Wiring,
ADS control module (N51).
|
| 11.1 |
|
Valve (raise front axle) (Y36/6y1)
|
16 |
N51
|
37 |
Ignition: OFF
Disconnect N51. |
7.5 - 12 |
Wiring,
Y36/6y1
|
| 11.2 |
|
Valve (raise rear axle) (Y36/6y2)
|
20 |
N51
|
37 |
Ignition: OFF
Disconnect N51. |
7.5 - 12 |
Wiring,
Y36/6y2
|
| 11.3 |
|
Valve (lower front axle) (Y36/6y3)
|
11 |
N51
|
37 |
Ignition: OFF
Disconnect N51. |
7.5 - 12 |
Wiring,
Y36/6y3
|
| 11.4 |
|
Valve (lower rear axle) (Y36/6y4)
|
12 |
N51
|
37 |
Ignition: OFF
Disconnect N51. |
7.5 - 12 |
Wiring,
Y36/6y4
|
| 12.0 |
|
Circuit 30
voltage supply
|
35 |
N51
|
32 |
Engine: OFF
|
II - I4 V
|
Fuse 23 in fuse and relaly box F1,
Wiring.
|
Printable version
