 |
 |
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
|
IR DAS control
module (N54/1)
Voltage supply
 
     
|
|
|
|
Ignition: ON
|
 |
Wiring,
Battery.
|
| 2.0 |
|
IR DAS control
module (N54/1)
Voltage supply
Circuit 15 |
15 
(1.1) |
N54/1
|
 23
(1.9)
|
Ignition: OFF
Ignition: ON
|
< 1 V
11 - 14 V |
Wiring,
Circuit 31,
2.1 |
| 2.1 |
|
Circuit 15
|
 |
|
N54/1
23
(1.9) |
Ignition: OFF
Ignition: ON |
< 1 V
11 - 14 V
|
Wiring,
Circuit 15.
|
| 3.0 |
|
RCL receiver (interior
rear view mirror) (A26/7)
Voltage supply |
16
(1.2) |
N54/1
|
25
(1.11)
|
- |
4.5 - 5.5 V |
Wiring,
A26/7,
N54/1,
3.1
|
| 3.1 |
|
(A26/7)
Voltage supply |
7 |
A26/7
|
8
|
Remove A26/7. |
4.5 - 5.5 V |
Wiring,
N54/1
|
| 4.0 |
|
RCL receiver (interior
rear view mirror) (A26/7)
IR signal control line |
15
(1.1) |
N54/1
|
21
(1.7)
|
Lock vehicle by pointing IR
transmitter at RCL receiver (interior rear view mirror), keep IR
transmitter button pressed.
After vehicle completes locking process, read value.
Afterwards, release button and read second value.
|
Difference of values between
button depressed and button released approx.
0.3 - 1.0 V |
Wiring,
A26/7,
IR transmitter. |
| 5.0 |
 |
RCL receiver (interior
rear- view mirror) (A26/7)
Red indicator lamps |
15
(1.1)
19
(1.5) |
|
16
(1.2)
26
(1.12)
|
Disconnect N54/1 from .
No or only 1 bridge (part no. 124 589 37 63 00) connected.
Both bridges connected. |
Red indicator lamps off.
Red indicator lamps light.
|
Wiring,
A26/7
|
| 6.0 |
 |
RCL receiver (interior
rear- view mirror) (A26/7)
Green indicator lamps
|
15
(1.1)
20
(1.6) |
|
16
(1.2)
26
(1.12)
|
Disconnect N54/1 from .
No or only 1 bridge (part no. 124 589 37 63 00) connected.
Both bridges connected.
|
Green indicator lamps off.
Green indicator lamps light.
|
Wiring,
A26/7 |
| 7.01) |
|
Locking confirmation relay
module (K54), activation turn signal system
Locking |
27
(1.13) |
N54/1
|
26
(1.12)
|
Lock vehicle via infrared
remote central locking. |
11 - 14 V
voltage intermittent for approx. 2 seconds.
|
Wiring,
N54/1 |
| 8.01) |
|
Locking confirmation relay
module (K54), activation turn signal system
Unlocking |
27
(1.13) |
N54/1
|
26
(1.12)
|
Unlock vehicle via infrared
remote central locking. |
11 - 14 V
for approx. 0.5 seconds.
|
Wiring,
N54/1 |
| 9.0 |
  |
Locking confirmation relay
module (K54), activation wiring
  - |
27
(1.13) |
N54/1
 |
15
(1.12)
|
Disconnect N54/1 from .
Disconnect K54. |
> 20 k |
Wiring. |
| 10.0 |
|
Locking confirmation relay
module (K54), activation or
combination control module (N10-1)
wiring
+ |
27
(1.13) |
N54/1
|
26
(1.12)
|
Disconnect N54/1 from .
Disconnect ground wire from  .
Disconnect K54. |
> 20 k |
Wiring. |
| 11.0 |
|
Left front door lock
switch (S86/1) |
22
(1.8)
24
(1.10) |
|
26
(1.12)
26
(1.12)
|
Disconnect N54/1 from .
Disconnect trunk lid lock switch (S88/2) (CF).
S86/1:
Rest position
S86/1:
Hold: unlock
S86/1:
Rest position
S86/1:
Hold: lock
|
< 1V
11 - 14 V
< 1V
11 - 14 V |
Wiring,
S86/1 |
| 12.0 |
|
Trunk lid lock
switch (S88/2) |
22
(1.8)
24 (1.10) |
|
26
(1.12)
26
(1.12)
|
Disconnect N54/1 from .
Separate left front door separation point (X35/1).
S88/2:
Rest position
S88/2:
Hold: unlock
S88/2:
Rest position
S88/2:
Hold: unlock
|
< 1V
11 - 14 V
< 1V
11 - 14 V |
Wiring,
S88/2 |
| 13.0 |
|
Non-USA vehicles only,
continue to next test step.
|
|
|
|
|
|
|
| 14.0 |
|
IR DAS control
module (N54/1),
output deactivation
(PSE/CL, CF, ATA) |
17
(1.3) |
N54/1
|
26
(1.12)
|
All doors closed and locked.
Unlock vehicle by pointing IR transmitter at RCL receiver
(interior rearview mirror) (A26/7), keeping IR transmitter button
pressed.
|
< 1V
6 - 8 V
Green indicator lamps blink, vehicle unlocks.
|
Wiring,
N54/1,
Combination control
module (N10-1).
Wiring,
3.0 - 5.0,
N54/1 |
| 15.0 |
|
IR DAS control
module (N54/1),
output activation
(PSE/CL, CF, ATA) |
17 (1.3) |
N54/1
|
26
(1.12)
|
All doors closed and unlocked.
Lock vehicle by pointing IR transmitter at RCL receiver (interior
rearview mirror) (A26/7), keeping IR transmitter button pressed.
|
< 1V
11 - 14 V
Red indicator lamps blink, vehicle locks.
|
Wiring,
N54/1,
Combination control
module (N10-1).
Wiring,
3.0 - 5.0,
N54/1 |
| 16.0 |
|
Non-USA vehicles only,
continue to next test step.
|
|
|
|
|
|
|
| 17.0 |
|
Non-USA vehicles only,
continue to next test step.
|
|
|
|
|
|
|
| 18.0 |
|
Non-USA vehicles only,
continue to next test step.
|
|
|
|
|
|
|
| 19.0 |
|
Non-USA vehicles only,
continue to next test step.
|
|
|
|
. |
|
|
| 20.0 |
|
Non-USA vehicles only,
continue to next test step.
|
|
|
|
. |
|
|
| 21.0 |
|
Control line deactivation/
activation
(PSE/CL, CF, ATA)
+ |
26 (1.12) |
N54/1
|
17
(1.3)
|
Disconnect N54/1 from .
Disconnect combination control module (N10-1).
Disconnect ground wire from . |
>20 k |
Wiring. |
| 22.0 |
|
Control line deactivation/
activation
(PSE/CL, CF, ATA)
- |
15 (1.1) |
N54/1
|
17
(1.3)
|
Disconnect N54/1 from .
Disconnect combination control module (N10-1). |
>20 k |
Wiring. |
| 23.0 |
|
Coil for transponder (L11) |
L11
1 |
|
L11
2
|
Disconnect connector 3 from
N54/1 |
4 - 6 |
L11. |
| 24.0 |
|
Coil for transponder (L11)
activation |
N54/1
1 
(3) |
|
N54/1
 2
(3) |
Disconnect connector 3 from
N54/1
Ignition: ON |
125 kHz for approx. 0.2 - 0.8 seconds.
(values measurable by using Fluke 83, 88).
|
N54/1. |
| 25.0 |
|
CAN L data line
Motor electronics activation
-//-
(CAN only) |
N54/1
13 |
|
2)
|
Disconnect N54/1 from .
Disconnect engine control module.
|
<1 |
Wiring. |
| 26.0 |
|
CAN H data line
Motor electronics activation
-//-
(CAN only) |
N54/1
14 |
|
2)
|
Disconnect N54/1 from .
Disconnect engine control module.
|
<1 |
Wiring. |
| 27.0 |
|
CAN L data line
Motor electronics activation
+
(CAN only) |
13 |
N54/1
|
26
(1.12)
|
Disconnect N54/1 from .
Disconnect engine control module.
|
>20 k |
Wiring. |
| 28.0 |
|
CAN H data line
Motor electronics activation
+
(CAN only) |
14 |
N54/1
|
26
(1.12)
|
Disconnect N54/1 from .
Disconnect ground wire from .
Disconnect engine control module.
|
>20 k |
Wiring. |
| 29.0 |
|
CAN L data line
Motor electronics activation
-
(CAN only) |
15
(1.1) |
N54/1
|
13
|
Disconnect N54/1 from .
Disconnect engine control module.
|
>20 k |
Wiring. |
| 30.0 |
|
CAN H data line
Motor electronics activation
-
(CAN only)
|
15
(1.1) |
N54/1
|
14
|
Disconnect N54/1 from .
Disconnect engine control module.
|
>20 k |
Wiring. |
| 31.0 |
|
CAN H/CAN L data line
Motor electronics activation
to each other
(CAN only) |
13 |
N54
|
14
|
Disconnect N54/1 from .
Disconnect engine control module.
|
>20 k
|
Wiring. |
Printable
version
