![](../../../logos/other/rarrd.gif) |
![](../../../logos/mb/mbhht.gif) |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
1.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/uidg.gif) |
ETC Control
Module (N15/3)
Voltage supply
Circuit 87
|
30 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/volmmc.gif) |
![](../../../logos/mb/sockr.gif) 29 |
Ignition: ON |
11 - 14 V |
Wiring,
Base module,
DM, Chassis and Drivetrain,
section 1.1 or 1.2
|
2.0 |
|
Diagnosis output |
30 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/volmmc.gif) |
![](../../../logos/mb/sockr.gif) 1 |
Ignition: ON |
8 - 14 V
|
Wiring,
N15/3
|
3.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) |
Solenoid valves
Voltage supply |
30 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/volmmc.gif) |
![](../../../logos/mb/sockr.gif) 38 |
Ignition: ON |
11 - 14 V |
23 1.0,
Electrical conductor plate,
ETC control
module (N15/3)
|
4.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) |
1-2/4-5 shift solenoid
valve (Y3/6y3)
Internal resistance |
14 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockr.gif) 38 |
Disconnect ETC control module (N15/3).
Ignition: OFF |
2.5 - 6.5
|
Wiring,
Y3/6y3 |
5.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/thrdg.gif) |
2-3 shift solenoid
valve (Y3/6y5)
Internal resistance |
16 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockr.gif) 38 |
Disconnect N15/3
Ignition: OFF |
2.5 - 6.5
|
Wiring,
Y3/6y5 |
6.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/foudg.gif) |
3-4 shift solenoid
valve (Y3/6y4)
Internal resistance |
15 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockr.gif) 38 |
Disconnect N15/3
Ignition: OFF |
2.5 - 6.5
|
Wiring,
Y3/6y4
|
7.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/fivdg.gif) |
PWM solenoid
valve (Y3/6y6)
Internal resistance |
17 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockr.gif) 38 |
Disconnect N15/3
Ignition: OFF |
2 - 4
|
Wiring,
Y3/6y6
|
8.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/sixdg.gif) |
Modulator pressure regulating solenoid
valve (Y3/6y1)
Internal resistance
|
36 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockr.gif) 38 |
Disconnect N15/3
Ignition: OFF |
4 - 8
|
Wiring,
Y3/6y1
|
9.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/sevdg.gif) |
Shift pressure regulating solenoid valve (Y3/6/2)
Internal resistance |
37 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockr.gif) 38 |
Disconnect N15/3
Ignition: OFF |
4 - 8
|
Wiring,
Y3/6y2
|
10.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/eigdg.gif) |
R/P lock solenoid (Y66/1)
Internal resistance
Note:
Test step applies to:
722.6 up to 6/30/99 in Models 202, 208, 210 without touch shift.
722.6 in Models 129, 140, 163 without touch shift.
722.602/605 in Model 170 without touch shift. |
1 ![](../../../logos/mb/plugr.gif) |
Y66/1
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/plugl.gif) 2 |
Test directly at Y66/1 |
20 - 35
|
Y66/1 |
11.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/nindg.gif) |
Starter lock-out relay
module (K38/3)
Internal resistance
Note:
Test step applies to:
722.6 in Model 129 with engine 104, 112.
722.6 in Model 140 with engine 104, 606.
722.6 in Model 170 up to 6/30/99 with engine 111.
722.6 in Model 202 up to 6/30/99 with engine 104, 111, 112.
722.6 in Model 208 up to 6/30/99 with engine 112.
722.6 in Model 210 up to 6/30/99 with engine 104, 112, 606 |
85 ![](../../../logos/mb/plugr.gif) |
K38/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/plugl.gif) 86 |
Test directly at K38/3
|
50
|
K38/3
|
12.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) |
RPM sensors
Voltage supply |
33 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/volmmc.gif) |
![](../../../logos/mb/sockr.gif) 13 |
Ignition: ON |
4 - 8 V
|
Wiring,
Electrical conductor
plate,
N15/3
|
13.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/zerdg.gif) |
Starter lock-out
contact (Y3/6s1)
Function
Note:
Test step applies to:
722.6 up to 6/30/99 in Models 202, 208, 210 without touch shift.
722.6 in Models 129, 140, 163 without touch shift.
722.602/605 in Model 170 without touch shift. |
34 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockr.gif) 33 |
Disconnect N15/3
R/D/4/3/2/1 selected
P/N selected |
0.5 - 2.5 k
>20 k
|
Wiring,
Adjustment of shift linkage,
Starter lock-out contact (Y3/6s1),
Electrical conductor plate,
Transmission range recognition switch (S16/10).
|
14.0 |
![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/zerdg.gif) |
Starter lock-out
contact (Y6/6s1)
Function
Note:
Test step applies to:
722.6 as of 7/01/99 in Models 202, 208, 210 with touch shift.
722.6 in Model 163 with touch shift.
722.616/618 in Model 170 with touch shift. |
34 ![](../../../logos/mb/sockr.gif) |
N15/3
![](../../../logos/mb/ohmmm.gif) |
![](../../../logos/mb/sockr.gif) 33 |
Disconnect N15/3
R/D/4/3/2/1 selected
P/N selected |
0.5 - 2.5 k
>20 k
|
Wiring,
Adjustment of shift linkage,
Starter lock-out contact (Y6/6s1),
Electrical conductor plate. |
15.0 |
|
CAN element in RCL control module (N54)
Resistance |
L ![](../../../logos/mb/sockr.gif) |
N54
|
![](../../../logos/mb/sockr.gif) H |
Disconnect 2-pole connector at N54 and test directly at control module.
|
115 - 125
|
N54
|
16.0 |
|
CAN element in ETC control module (N15/3)
Resistance |
L ![](../../../logos/mb/sockr.gif) |
N15/3
|
![](../../../logos/mb/sockr.gif) H |
Disconnect 14-pole connector at N15/3 and test directly at control module.
|
50 - 100
|
N15/3
|