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Volume 2

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LOCATION:    4.8 Infrared Remote Central Locking (IRCL)   >   23 Electrical Test Program - Test


Electrical Test Program - Test

Test scope Test connection Test condition Nominal value Possible cause/Remedy
1.0   RCL control
module (N54)
Voltage supply


27




27
N54



N54




9




14


Ignition: OFF



Ignition: OFF

Ignition: ON


11 - 14 V



< 1 V

11 - 14 V
Wiring,
Circuit 30,
Circuit 31,
1.1

Wiring,
Circuit 15,
Circuit 31,
1.2
1.1   Circuit 30


N54



9


Ignition: OFF



11 - 14 V
Wiring,
Circuit 30

1.2   Circuit 15


N54



14


Ignition: OFF

Ignition: ON


< 1 V

11 - 14 V
Wiring,
Circuit 15

2.0   IR DAS control
module (N54/1)
Voltage supply


15
(1.1)




15
(1.1)
N54/1




N54/1






26
(1.12)




23
(1.9)


Ignition: OFF




Ignition: OFF

Ignition: ON


11 - 14 V




< 1 V

11 - 14 V
Wiring,
Circuit 30,
Circuit 31,
2.1


Wiring,
Circuit 15,
Circuit 31,
2.2
2.1   Circuit 30


N54/1



26
(1.12)


Ignition: OFF



11 - 14 V
Wiring,
Circuit 30

2.2   Circuit 15


N54/1



23
(1.9)


Ignition: OFF

Ignition: ON


< 1 V

11 - 14 V
Wiring,
Circuit 15

3.0   Left front door IR
receiver (A26/1)
Voltage supply
Models 140, 202, 210

Model 129



13


13

N54






12


5

 



11 - 14 V

11 - 14 V
Wiring,
3.1
A26/1,
N54
3.1   A26/1
Voltage supply
Models 140, 202, 210

Model 129


2


3

A26/1





3


7
Remove A26/1


11 - 14 V

11 - 14 V
Wiring,
N54



4.0   Left front door IR
receiver (A26/1)
IR signal control line


27
N54



18
Lock vehicle by pointing IR transmitter at left front door IR receiver, 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 - 1.5 V

Wiring,
A26/1,
IR transmitter key.
5.0
Left front door IR
receiver (A26/1)
Red indicator lamps
Models 140, 202, 210



Model 129


27

3




27

1
N54









13

9




13

9

Disconnect N54 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,
A26/1
6.0
Left front door IR
receiver (A26/1)
Green indicator lamps
Models 140, 202, 210



Model 129


27

10




27

20
N54









13

9




13

9
Disconnect N54 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,
A26/1
7.0   Trunk lid IR
receiver (A26/3)
Voltage supply
Models 140, 202, 210

Model 129



24

24


N54





5

12

 



11 - 14 V

11 - 14 V
Wiring,
7.1,
A26/3,
N54



7.1   A26/3
Voltage supply
Models 140, 202, 210

Model 129


2

7

A26/3




3

3
Remove A26/3


11 - 14 V

11 - 14 V
Wiring,
N54



8.0   Trunk lid IR
receiver (A26/3)
IR signal control line


27
N54



4
Lock vehicle by pointing IR transmitter at trunk lid IR receiver, 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 - 1.5 V

Wiring,
A26/3,
IR transmitter.
9.0
Trunk lid IR
receiver (A26/3)
Red indicator lamps







27

21
N54




24

9

Disconnect N54 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,
A26/3
10.0
Trunk lid IR
receiver (A26/3)
Green indicator lamps
Models 140, 202, 210



Model 129


27

20




27

2
N54









24

9




24

9
Disconnect N54 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,
A26/3
11.0   Right front door IR
receiver (A26/2)
Voltage supply
Model 140

Model 129



13

15


N54





22

22

 



11 - 14 V

11 - 14 V
Wiring,
11.1,
A26/2,
N54



11.1   A26/2
Voltage supply
Model 140

Model 129


2

7

A26/2




3

3
Remove A26/2


11 - 14 V

11 - 14 V
Wiring,
N54



12.0   Right front door IR
receiver (A26/2)
IR signal control line
Models 129, 140


27
N54



8
Lock vehicle by pointing IR transmitter at right front door IR receiver, 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 - 1.5 V

Wiring,
A26/2,
IR transmitter.
13.0
Right front door IR
receiver (A26/2)
Red indicator lamps
Model 140



Model 129



27

1



27

3
N54










13

9



15

9
Disconnect N54 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,
A26/2
14.0
Right front door IR
receiver (A26/2)
Green indicator lamps
Model 140



Model 129


27

2




27

10
N54









13

9




15

9
Disconnect N54 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,
A26/2
15.0   RCL receiver (interior rear view mirror) (A26/7)
Voltage supply
Models 202, 210


16
(1.2)
N54/1




25
(1.11)

 


4.5 - 5.5 V

Wiring,
15.1
A26/7,
N54,
N54/1
15.1   A26/7
Voltage supply

13
A26/7

8
Remove A26/7
4.5 - 5.5 V
Wiring,
N54/1
16.0   RCL receiver (interior rear view mirror) (A26/7)
IR signal control line
Models 202, 210


27
N54



8
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 key.
17.0   RCL receiver (interior rear view mirror) (A26/7)
Red indicator lamps
Models 202, 210






1




15
(1.1)
N54



N54/1




9




16
(1.2)
Disconnect N54 from .
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
18.0   RCL receiver (interior rear view mirror) (A26/7)
Green indicator lamps
Models 202, 210






2




15
(1.1)
N54



N54/1




9




16
(1.2)
Disconnect N54 from .
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
19.0   RCL control module (N54)
Output SN1
Models 140, 202, 210


27
N54




11
All doors closed and locked.


Unlock vehicle by pointing IR transmitter at left front door IR receiver (A26/1), keeping IR transmitter button pressed.

Unlock vehicle by pointing IR transmitter at right front door IR receiver (A26/2) (model 140 only), keeping IR transmitter button pressed.

Unlock vehicle by pointing IR transmitter at trunk lid IR receiver (A26/3), keeping IR transmitter button pressed.

Unlock vehicle by pointing IR transmitter at RCL receiver (interior rearview mirror) (A26/7) (models 202, 210 only), keeping IR transmitter button pressed.


11 - 14 V

< 1V
Green indicator lamps blink.



< 1V
Green indicator lamps blink.




< 1V
Green indicator lamps blink.



< 1V
Green indicator lamps blink.
Wiring,
1.0,
N54

Wiring,
1.0, 3.0, 6.0,
A26/1,
N54


Wiring,
1.0, 11.0, 14.0,
A26/2,
N54



Wiring,
1.0, 7.0, 10.0,
A26/3,
N54


Wiring,
1.0, 2.0, 15.0, 18.0,
A26/7,
N54,
N54/1
20.0   RCL control module (N54)
Output SN2
Models 140, 202, 210


27
N54




23
All doors closed and unlocked.


Lock vehicle by pointing IR transmitter at left front door IR receiver (A26/1), keeping IR transmitter button pressed.

Lock vehicle by pointing IR transmitter at right front door IR receiver (A26/2) (model 140 only), keeping IR transmitter button pressed.

Lock vehicle by pointing IR transmitter at trunk lid IR receiver (A26/3), keeping IR transmitter button pressed.

Lock vehicle by pointing IR transmitter at RCL receiver (interior rearview mirror) (A26/7) (models 202, 210 only), keeping IR transmitter button pressed.


11 - 14 V

< 1V
Red indicator lamps blink.



< 1V
Red indicator lamps blink.




< 1V
Red indicator lamps blink.



< 1V
Red indicator lamps blink.
Wiring,
1.0,
N54

Wiring,
1.0, 3.0, 5.0,
A26/1,
N54


Wiring,
1.0, 11.0, 13.0,
A26/2,
N54



Wiring,
1.0, 7.0, 9.0,
A26/3,
N54


Wiring,
1.0, 2.0, 15.0, 17.0,
A26/7,
N54,
N54/1
21.0   IR DAS control
module (N54/1)
Input SN1
Models 140, 202, 210


15
(1.1)
N54/1




22
(1.8)

All doors closed and locked.


Unlock vehicle by pointing IR transmitter at left front door IR receiver (A26/1), keeping IR transmitter button pressed.

Unlock vehicle by pointing IR transmitter at right front door IR receiver (A26/2) (model 140 only), keeping IR transmitter button pressed.

Unlock vehicle by pointing IR transmitter at trunk lid IR receiver (A26/3), keeping IR transmitter button pressed.

Unlock vehicle by pointing IR transmitter at RCL receiver (interior rearview mirror) (A26/7) (models 202, 210 only), keeping IR transmitter button pressed.


11 - 14 V

< 1V
Green indicator lamps blink.



< 1V
Green indicator lamps blink.




< 1V
Green indicator lamps blink.



< 1V
Green indicator lamps blink.
Wiring,
1.0,
N54

Wiring,
1.0, 19.0
A26/1,
N54


Wiring,
1.0, 19.0
A26/2,
N54



Wiring,
1.0, 19.0
A26/3,
N54


Wiring,
1.0, 2.0, 19.0
A26/7,
N54,
N54/1
22.0   IR DAS control
module (N54/1)
Input SN2
Models 140, 202, 210


15
(1.1)
N54




24
(1.10)
All doors closed and unlocked.


Lock vehicle by pointing IR transmitter at left front door IR receiver (A26/1), keeping IR transmitter button pressed.

Lock vehicle by pointing IR transmitter at right front door IR receiver (A26/2) (model 140 only), keeping IR transmitter button pressed.

Lock vehicle by pointing IR transmitter at trunk lid IR receiver (A26/3), keeping IR transmitter button pressed.

Lock vehicle by pointing IR transmitter at RCL receiver (interior rearview mirror) (A26/7) (models 202, 210 only), keeping IR transmitter button pressed.


11 - 14 V

< 1V
Red indicator lamps blink.



< 1V
Red indicator lamps blink.




< 1V
Red indicator lamps blink.



< 1V
Red indicator lamps blink.
Wiring,
N54


Wiring,
1.0, 20.0,
A26/1,
N54


Wiring,
1.0, 20.0,
A26/2,
N54



Wiring,
1.0, 20.0,
A26/3,
N54


Wiring,
1.0, 2.0, 20.0,
A26/7,
N54,
N54/1
23.0   Lock switch circuit
Left front door lock
switch (S86/1) (model 140),
Right front door lock
switch (S87/1)
(models 202, 210),
Trunk lid lock switch (S88/2)
(models 140, 202, 210)










Left front door lock
switch (S86/1) (model 129)
and ATA/CF
microswitch (S88s1)






22
(1.8)






24
(1.10)








11




N54/1






N54/1








N54







26
(1.12)






26
(1.12)








9
Disconnect N54/1 from .
Disconnect trunk lid lock switch (S88/2).

S86/1 or S87/1:
Rest position

S86/1 or S87/1:
Hold: unlock


S86/1 or S87/1:
Rest position

S86/1 or S87/1:
Hold: lock

Disconnect N54 from .
Disconnect trunk lid lock switch (S88/2).

S86/1: Rest position

S86/1: Hold: lock






< 1V


11 - 14 V



< 1V


11 - 14 V





< 1V

11 - 14 V
Wiring,
S86/1 or S87/1
















Wiring,
S86/1
24.0   Lock switch circuit
Left front door lock
switch (S86/1) (model 140),
Right front door lock
switch (S87/1)
(models 202, 210),
Trunk lid lock switch (S88/2)
(models 140, 202, 210)









Left front door lock
switch (S86/1) (model 129)
and ATA/CF
microswitch (S88s1)






22
(1.8)






24
(1.10)








11




N54/1






N54/1








N54







26
(1.12)






26
(1.12)








9
Disconnect N54/1 from .
Connect trunk lid lock switch (S88/2).


S88/2: Rest position

S88/2: Hold: unlock




S88/2: Rest position

S88/2: Hold: lock

Disconnect N54 from .
Connect trunk lid lock switch (S88/2).


S88/2: Rest position

S88/2: Hold: lock






< 1V

11 - 14 V




< 1V

11 - 14 V






< 1V

11 - 14 V
Wiring,
S88/2















Wiring,
S88s1
25.0   Left front door
actuator (S47)
Switch and working element
Model 129


27
N54



6

Disconnect N54 from .


11 - 14 V
Wiring,
S47
26.0   RCL control module (N54)
output deactivation
(PSE/CL)
Model 129


27
N54/1



23

All doors closed and locked.
Disconnect supply pump (M14/1, M14/2)

Unlock vehicle by pointing IR transmitter at one IR receiver, keeping IR transmitter button pressed.





Green indicator lamps blink, vehicle unlocks.
11 - 14 V for approx. 0.6 seconds.
(values measurable by using Fluke 83, 88).
Wiring,
3.0, 4.0, 6.0 - 8.0, 10.0 -12.0, 14.0,
N54
27.0   IR DAS control
module (N54/1)
output deactivation
(PSE/CL, CF, ATA)
Models 140, 202


15
(1.1)
N54/1



17
(1.3)

All doors closed and locked.





Unlock vehicle by pointing IR transmitter at one IR receiver, keeping IR transmitter button pressed.


11 - 14 V




< 1V
Green indicator lamps blink, vehicle unlocks.

Wiring,
N54,
N54/1,
PSE control module (A37),
CF control module (N57),
ATA control module (N26).

Wiring,
3.0, 4.0, 6.0 - 8.0, 10.0 -12.0, 14.0 - 16.0, 18.0, 19.0, 21.0,
N54,
N54/1
28.0   IR DAS control
module (N54/1)
output deactivation
(PSE/CL, CF, ATA)
Model 210


17
(1.3)
N54/1



26
(1.12)

All doors closed and locked.




Unlock vehicle by pointing IR transmitter at one IR receiver, keeping IR transmitter button pressed.


< 1V



6 - 8 V
Green indicator lamps blink, vehicle unlocks.

Wiring,
N54,
N54/1,
Combination control
module (N10-1).

Wiring,
3.0, 4.0, 6.0 - 8.0, 10.0, 15.0, 16.0, 18.0, 19.0, 21.0,
N54,
N54/1
29.0   RCL control
module (N54)
output activation
(PSE/CL)
Model 129


9

N54



23


All doors closed and unlocked.




Lock vehicle by pointing IR transmitter at one IR receiver, keeping IR transmitter button pressed.


< 1V



Red indicator lamps blink, vehicle locks.
11 - 14 V for approx. 0.6 seconds.
(values measurable by using Fluke 83, 88).


Wiring,
3.0 - 5.0, 7.0 - 9.0,
11.0 - 13.0,
N54,
N54/1,
Supply pump (M14/1, M14/2),
Power soft top control
module (N57),
ATA control module (N26).
30.0   IR DAS control
module (N54/1)
output activation
(PSE/CL, CF, ATA)
Models 140, 202


15
(1.1)

N54/1



18
(1.4)


All doors closed and unlocked.




Lock vehicle by pointing IR transmitter at one IR receiver, keeping IR transmitter button pressed.


11 - 14 V



< 1V
Red indicator lamps blink, vehicle locks.
Wiring,
N54/1,
A37,
N57,
N26

Wiring,
3.0 - 5.0, 7.0 - 9.0,
11.0 - 13.0, 15.0 - 17.0, 20.0, 22.0,
N54/1
31.0   IR DAS control
module (N54/1)
output activation
(PSE/CL, CF, ATA)
Model 210


17
(1.3)

N54/1



26
(1.12)


All doors closed and unlocked.




Lock vehicle by pointing IR transmitter at one IR receiver, keeping IR transmitter button pressed.


< 1V



11 - 14 V
Red indicator lamps blink, vehicle locks.
Wiring,
N54,
N54/1,
N10-1


Wiring,
3.0 - 5.0, 7.0 - 9.0, 15.0 - 17.0, 20.0, 22.0
N54,
N54/1
32.0

Control line activation
(PSE/CL, CF, ATA)
-
Models 140, 202


15
(1.1)

N54/1






18
(1.4)


Disconnect N54/1 from .
Disconnect PSE control module (A37).


>20 k
Wiring.
33.0

Control line deactivation/
activation (PSE/CL)
+
Model 129


23
N54




9
Disconnect N54 from .
Disconnect PSE control module (A37).
Disconnect ground wire from .


>20 k
Wiring.
34.0

Control line deactivation/
activation (PSE/CL)
-
Model 129


23
N54




27
Disconnect N54 from .
Disconnect PSE (M14/1, M14/2).
Disconnect ground wire from .


>20 k
Wiring.
35.0

Control line deactivation/
activation
(PSE/CL, CF, ATA)
+
Model 210


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.
36.0

Control line deactivation
(PSE/CL, CF, ATA)
+
Models 140, 202

Model 129


26
(1.12)




26
(1.12)
N54/1




N54



17
(1.3)




17
(1.3)


Disconnect N54/1 from .
Disconnect PSE control module (A37 or M14/1, M14/2).
Disconnect ground wire from .
Disconnect ATA control module (N26).
Disconnect power soft top control module (N52) (model 129 only).


>20 k
Wiring.
37.0

Control line deactivation
(PSE/CL, CF, ATA)
-
Models 140, 202

Model 129


15
(1.1)




11
N54/1




N54



17
(1.3)




27


Disconnect N54/1 from .
Disconnect PSE control module (A37 or M14/1, M14/2).
Disconnect ATA control module (N26).
Disconnect power soft top control module (N52) (model 129 only).


>20 k
Wiring.
38.0

Control line activation
(PSE/CL, CF, ATA)
+
Models 140, 202


26
(1.12)
N54/1



18
(1.4)

Disconnect N54/1 from .
Disconnect PSE control module (A37).
Disconnect ground wire from .


>20 k
Wiring.
39.0

Control line deactivation/
activation
(PSE/CL, CF, ATA)
-
Model 210


15
(1.1)
N54/1




17
(1.13)
Disconnect N54/1 from .
Disconnect combination control module (N10-1).


>20 k
Wiring.
40.0 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
41.0 Coil for transponder (L11)
Resistance
L11
1

L11
2
Disconnect connector 3 from N54/1
4 - 6
L11
42.0   CAN L data line
Motor electronics activation
-//-
(CAN only)
N54/1

13




1)
Disconnect N54/1 from .
Disconnect engine control module.


<1
Wiring.
43.0   CAN H data line
Motor electronics activation
-//-
(CAN only)
N54/1

14




1)
Disconnect N54/1 from .
Disconnect engine control module.


<1
Wiring.
44.0   CAN L data line
Motor electronics activation
+
(CAN only)


13
N54/1



26
(1.12)
Disconnect N54/1 from .
Disconnect ground wire from .
Disconnect engine control module.


>20 k
Wiring.
45.0   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.
46.0   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.
47.0   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.
48.0   CAN H/CAN L data line
Motor electronics activation
to each other
(CAN only)


13
N54/1




14
Disconnect N54/1 from .
Disconnect engine control module.


>20 k
Wiring.
1) Prior to testing, please see appropriate ETM (group 7) to determine control module harness socket number.