![](../../../logos/other/rarrd.gif) |
![](../../../logos/mb/mbhht.gif) |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
1.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif)
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) |
ETS/SPS Control module (N47-2)
Circuit 15
Voltage supply
|
57 (2.23)
81 (2.47) |
|
![](../../../logos/mb/sockl.gif) 14
(1.14)
![](../../../logos/mb/sockl.gif) 14
(1.14)
|
Ignition: ON |
11 - 14 V |
1.1,
1.2
|
1.1 |
|
Voltage supply from:
Fuse and relay box (F1) |
![](../../../logos/mb/elgrou.gif) |
|
N47-2
![](../../../logos/mb/sockl.gif) 14
(1.14)
|
Ignition: ON |
11 - 14 V |
Fuse (f22) in F1,
Wiring. |
1.2 |
|
Ground wire |
W9
W9
|
|
N47-2
![](../../../logos/mb/sockl.gif) 57
(2.23)
![](../../../logos/mb/sockl.gif) 81
(2.47)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
< 1 ![](../../../logos/other/uomega.gif) |
Wiring,
Ground (left headlamp unit), (W9).
|
2.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) |
ETS/SPS control
module (N47-2)
Circuit 30
Voltage supply |
57 ![](../../../logos/mb/sockr.gif)
(2.23)
57 (2.23)
|
|
![](../../../logos/mb/sockl.gif) 58
(2.48)
![](../../../logos/mb/sockl.gif) 82
(2.48)
|
Ignition: OFF |
11 - 14 V |
Fuse (f27) in F1,
Wiring. |
3.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/zerdg.gif) |
CAN data bus |
34 (3.L)
|
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 33
(3.H)
|
Ignition: ON
|
55 - 65
|
Wiring,
End resistors in ME-SFI and RCL control modules, see DM, Engines and Body and Accessories. |
4.0 |
|
Diagnostic output |
57 (2.23) |
N47
![](../../../logos/mb/volmmc.gif) |
![](../../../logos/mb/sockl.gif) 13
(1.13) |
Ignition: ON
|
10 - 14 V
|
Wiring,
N47-2 |
5.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) ![](../../../logos/mb/zerdg.gif)
|
High pressure/return pump relay (F1k25)
Voltage supply |
57 (2.23)
|
N47-2
![](../../../logos/mb/volmmc.gif) |
![](../../../logos/mb/sockl.gif) 46
(2.12)
|
Ignition: On
|
11 - 14 V |
Wiring,
5.1 |
5.1 |
|
Coil resistance |
47 (2.13)
|
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 46
(2.12)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
40 - 80 ![](../../../logos/other/uomega.gif) |
Wiring,
High pressure/return pump
relay (F1k25). |
6.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif)
|
Left front axle VSS sensor (L6/1)
Internal resistance |
77 (2.43) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 78
(2.44)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
0.8 - 2.3 k![](../../../logos/other/uomega.gif) |
6.1
Wiring,
L6/1 |
6.1 |
|
Insulation resistance |
57
(2.23) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 77
(2.43)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
>20 k
|
Wiring,
L6/1 |
7.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif)
|
Right front axle VSS
sensor (L6/2)
Internal resistance |
52 (2.18) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 51
(2.17)
|
Ignition: OFF
Disconnect ETS/SPS module (N47-2).
|
0.8 - 2.3 k![](../../../logos/other/uomega.gif) |
7.1,
Wiring,
L6/2 |
7.1 |
|
Insulation resistance |
57 (2.23) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 52
(2.18)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
> 20 k![](../../../logos/other/uomega.gif) |
Wiring,
L6/2
|
8.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif)
|
Left rear axle
sensor (L6/3)
Internal resistance
|
26 (1.26) |
N47
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 25
(1.25)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
0.6 - 1.8 k![](../../../logos/other/uomega.gif) |
8.1
Wiring,
L6/3 |
8.1 |
|
Insulation resistance
|
57
(2.23)
|
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 26
(1.26)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
> 20 k![](../../../logos/other/uomega.gif) |
Wiring,
L6/3 |
9.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif)
|
Right rear axle VSS
sensor (L6/4)
Internal resistance
|
28 (1.28) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 27
(1.27) |
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
0.6 - 1.8 k
|
9.1
Wiring,
L6/4 |
9.1 |
|
Insulation resistance |
57 (2.23) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 28
(1.28) |
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
> 20 k![](../../../logos/other/uomega.gif) |
Wiring,
L6/4 |
10.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) |
ASR/ETS/ESP Hydraulic
unit (A7/3)
Solenoid valves
Voltage supply |
57 (2.23) |
N47-2
![](../../../logos/mb/volmmc.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: ON
|
11 - 14 V |
Wiring,
N47-2 |
11.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) |
Left front axle solenoid valve (hold) (A7/3y6)
Internal resistance
|
73 (2.39)
|
N47-2
|
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
5.4 - 12.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
12.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) |
Left front axle solenoid valve (release) (A7/3y7)
Internal resistance
|
72 (2.38)
|
N47-2
|
![](../../../logos/mb/sockl.gif) 80
(2.46) |
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
2.8 - 6.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
13.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) |
Right front axle solenoid valve (hold) (A7/3y8)
Internal resistance
|
74 (2.40) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
5.4 - 12.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
14.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/thrdg.gif) |
Right front axle solenoid valve (release) (A7/3y9)
Internal resistance
|
71 (2.37)
|
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
2.8 - 6.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
15.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/foudg.gif) |
Left rear axle solenoid valve (hold) (A7/3y10)
Internal resistance |
69 (2.35)
|
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
5.4 - 12.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
16.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/fivdg.gif) |
Left rear axle solenoid valve (release) (A7/3y11)
Internal resistance
|
70 (2.36)
|
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46) |
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
2.8 - 6.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
17.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/sixdg.gif) |
Right rear axle solenoid
valve (hold) (A7/3y12)
Internal resistance
|
64
(2.30)
|
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
5.4 - 12.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
18.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/sevdg.gif) |
Right rear axle solenoid
valve (release) (A7/3y13)
Internal resistance
|
65 (2.31)
|
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2).
|
2.8 - 6.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
19.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/sixdg.gif) |
Pressure circuit 1 switchover solenoid
valve (A7/3y24)
Internal resistance |
60 (2.26) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
5.4 - 12.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
20.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/eigdg.gif) |
Pressure circuit 2 switchover solenoid
valve (A7/3y25)
Internal resistance |
62 (2.28) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
5.4 - 12.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
21.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) |
Pressure circuit 1 vacuum solenoid valve (A7/3y26)
Internal resistance |
61 (2.27) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
5.4 - 12.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |
22.0 |
![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/nindg.gif) |
Pressure circuit 2 vacuum solenoid valve (A7/3y27)
Internal resistance |
63 (2.29) |
N47-2
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockl.gif) 80
(2.46)
|
Ignition: OFF
Disconnect ETS/SPS control module (N47-2). |
5.4 - 12.6 ![](../../../logos/other/uomega.gif) |
Wiring,
A7/3 |