Preliminary work:
Function test 11
|
Preparation for Test:
1. Check fuses F1-22, and F4-3 OK.
2. Connect Hand-Held Tester (HHT) to 38-pole data link connector (X11/4)
according to connection diagram shown in section 0.
The diagnostic trouble codes (DTC's) can only be read out and erased using
the Hand-Held Tester (HHT).
CAUTION!
Erasing the Mirror, steering column adjustment, heated mirrors (MSC) DTC
memory, will also erase the DTC memory for the Combination Control Module
(N10-1) and Convenience Feature (CF).
|
![](../../../volumes/ba4/12_4/12_1.gif) |
DTC
![](../../../logos/mb/mbhht.gif) |
Possible cause |
Test step/Remedy 1) |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) |
Combination control module
(N10-1) |
Replace N10-1 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) |
Left/right front ESA control
module (N32/1, N32/2) (with memory) |
N32/1 or N32/2 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) |
Low voltage < 10 V |
- |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) |
Excess Votage > 15.5 V |
- |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) |
Circuit 15R |
23 2.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/fivdg.gif) |
Circuit 30C, fuse F4-7 |
23 2.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/sevdg.gif) |
Circuit 31B |
23 2.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/twodg.gif) |
Driver's seat does not communicate
via CAN data line |
D.M.,
Body and Accessories, Vol. 4, 15.3,
> 23 > 21.0, 22.0,
23.0, 24.0,
25.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/foudg.gif) |
CAN low-interior bus |
D.M.,
Body and Accessories, Vol. 4, 15.3,
> 23 > 22.0, 24.0,
25.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/fivdg.gif) |
CAN high-interior bus |
D.M.,
Body and Accessories, Vol. 4, 15.3,
> 23 > 21.0, 23.0,
25.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) |
Electrically adjustable steering
column switch wire ![](../../../logos/other/lceil.gif) - |
23 7.0, 8.0,
9.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/nindg.gif) |
Outside rearview mirror vertical/horizontal/left/right
adjustment (S21s6/s7/s8)
>25 sec. ![](../../../logos/other/lceil.gif) -,
![](../../../logos/other/lceil.gif) +,
circuit 30 -//-, circuit 31 -//- |
23 1.0, 3.0,
4.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/thrdg.gif) |
Electrically adjustable and
heated driver-side outside rearview mirror (with memory) (M21/4)
>25 sec., wiring -//- |
23 12.0, 13.0,
14.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/twodg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) |
Electrically adjustable and
heated driver-side outside rearview mirror (with memory) (M21/4)
>2 sec., wiring -//- |
23 7.0, 8.0,
9.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/eigdg.gif) |
Verticle adjustment motor
(M21/5m1) (up/down) ![](../../../logos/other/lceil.gif) ,
wiring ![](../../../logos/other/lceil.gif)
Horizontal adjustment motor (M21/5m2) (in/out) ![](../../../logos/other/lceil.gif) ,
wiring ![](../../../logos/other/lceil.gif) ![](../../../logos/other/rceil.gif) |
23 5.0, 7.0
23
6.0, 8.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) ![](../../../logos/mb/zerdg.gif) ![](../../../logos/mb/nindg.gif) |
Verticle adjustment motor
(M21/4m1) (up/down) ![](../../../logos/other/lceil.gif) ,
wiring ![](../../../logos/other/lceil.gif)
Horizontal adjustment motor (M21/4m2) (in/out) ![](../../../logos/other/lceil.gif) ,
wiring ![](../../../logos/other/lceil.gif) ![](../../../logos/other/rceil.gif) |
23 11.0, 12.0
23
10.0, 13.0 |
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) ![](../../../logos/mb/uidg.gif)
![](../../../logos/mb/ubdg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/foudg.gif) ![](../../../logos/mb/uidg.gif) ![](../../../logos/mb/uidg.gif) |
Combination control module
(N10-1) does not switch |
N10-1 |
1) Observe Preparation
for Test, see 22. |
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