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Volume 2

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LOCATION:    4.10 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





Radio frequency DAS control module (N54/3) or
DAS radio frequency/infrared control module (N54/4)
Voltage supply
Circuit 30

 

 

 

 

 Ignition: ON
F


Wiring,
Battery.
2.0





 		 Radio frequency DAS control module (N54/3) or
DAS radio frequency/infrared control module (N54/4)
Voltage supply
Circuit 15


30
(1.16)

N54/3
N54/4




24
(1.10)

Ignition: OFF

Ignition: ON		 <1 V

11 - 14 V

Wiring,
Circuit 31,
2.1
2.1





 		 Circuit 15








N54/3
N54/4

24
(1.10)

Ignition: OFF

Ignition: ON		 <1 V

11 - 14 V

Wiring,
Circuit 15
3.0   Antenna
HF line shield


20
(1.6)
N54/3
N54/4





21
(1.7)
Disconnect N54/3 or N54/4 from . >20 k Wiring.
4.0   Antenna
HF line +


20
(1.6)
N54/3
N54/4




32
(1.18)
Disconnect N54/3 or N54/4 from . >20 k Wiring.
5.0   Antenna
HF line -

30
(1.16)
N54/3
N54/4



20
(1.6)
 Disconnect N54/3 or N54/4 from . >20 k

Wiring.


6.0   Left front door IR
receiver (A26/1)
Voltage supply
Models 129/140 only

28
(1.14)
N54/4




18
(1.18)
  4.4 - 5.5 V

Wiring,
23 1.0,
23 2.0,
N54/4
6.1   A26/1
Voltage supply
Model 140


Model 129

3


3

A26/1

A26/1


2


7
Remove A26/1 4.4 - 5.5 V Wiring,
23 1.0,
23 2.0,
N54/4
7.0 Left front door IR
receiver (A26/1)
IR signal control line
Models 129/140 only

30
(1.16)
N54/4





19
(1.5)
Lock vehicle by point transmitter key at driver-side IR receiver, keep button pressed. Read value after locking sequence has completed. Release button, and then read second value. Difference of values between button pressed and button released approx.
0.1 - 1.0 V (less then button released value).

Wiring,
23 6.0,
23 7.1,
23 7.2,
A26/1,
Transmitter key.
7.1 Left front door IR
receiver (A26/1)
IR signal control line -
Models 129/140 only

30
(1.16)
N54/4





19
(1.5)
Disconnect N54/4 from .
Disconnect A26/1		 >20 k Wiring.


7.2   Left front door IR
receiver (A26/1)
IR signal control line +
Models 129/140 only

32
(1.18)
N54/4





19
(1.5)
Disconnect N54/4 from .
Disconnect A26/1		 >20 k Wiring.


8.0   Right front door IR
receiver (A26/2)
Voltage supply
Models 129/140 only

29
(1.15)
N54/4




26
(1.12)
  4.4 - 5.5 V

Wiring,
23 1.0,
23 2.0,
N54/4
8.1   A26/2
Voltage supply
Model 140


Model 129

3


3

A26/2

A26/2


2


7
Remove A26/2 4.4 - 5.5 V Wiring,
23 1.0,
23 2.0,
N54/4
9.0 Right front door IR
receiver (A26/2)
IR signal control line
Models 129/140 only

30 (1.16)
N54/4





27
(1.13)
Lock vehicle by point transmitter key at passenger-side IR receiver, keep button pressed. Read value after locking sequence has completed. Release button, and then read second value. Difference of values between button pressed and button released approx.
0.1 - 1.5 V
(less then button released value).
Wiring,
23 8.0,
23 9.1.0,
23 9.2.0,
A26/2,
Transmitter key.
9.1 Right front door IR
receiver (A26/2)
IR signal control line -
Models 129/140 only

30
(1.16)
N54/4





27
(1.13)
Disconnect N54/4 from .
Disconnect A26/2		 >20 k Wiring.
9.2   Right front door IR
receiver (A26/2)
IR signal control line +
Models 129/140 only


32
(1.18)
N54/4



27
(1.13)
Disconnect N54/4 from .
Disconnect A26/2		 >20 k Wiring.
10.0   Locking conformation relay
module (K54)
Activation
Model 170

Combination relay
module (N10/2)
Activation of blinker system
Locking
Models 129/140

16
(1.16)



16
(1.2)

N54/3



N54/4



32
(1.18)



32
(1.18)

Locking of the vehicle via RCL
11 - 14 V
intermittent for approx. 2 seconds.



11 - 14 V
For approx. 2 seconds.		 Wiring,
23 12.0,
23 13.0,
N54/3,
N54/4




11.0   Locking conformation relay
module (K54)
Activation
Model 170

Combination relay
module (N10/2)
Activation of blinker system
Unlocking
Models 129/140



16
(1.2)


N54/3
N54/4





32
(1.18)

Unlocking of the vehicle via RCL
11 - 14 V
for approx. 0.5 seconds.



Wiring,
23 12.0,
23 13.0,
N54/3,
N54/4




12.0 Locking conformation relay
module (K54)
OR
Combination relay
module (N10/2)
Activation
Wiring
-



16
(1.2)


N54/3
N54/4





32
(1.18)

Disconnect N54/3 or N54/4 from .
Disconnect K54 or N10/2
>20 k



Wiring.




13.0 Locking conformation relay
module (K54)
OR
Combination relay
module (N10/2)
Activation
Wiring
+



16
(1.2)


N54/3
N54/4





32
(1.16)

Disconnect N54/3 or N54/4 from .
Disconnect K54 or N10/2
>20 k



Wiring.




14.0   Lock nut switch (S86/1) Circuit
only
Models 129/140



23
(1.9)







22
(1.8)
N54/3
N54/4






N54/3
N54/4




32
(1.18)







32
(1.18)
 Disconnect N54/3 or N54/4 from .
Disconnect S88/2

S86/1:
Rest position:

Press and hold unlock:



S86/1:
Rest position:

Press and hold lock:







<1 V

11 - 14 V





<1 V

11 - 14 V

 Wiring,
S86/1



    Model 129


23
(1.9)


N54/4





32
(1.18)


S86/1:
Rest position:

Press and hold lock:

<1 V

11 - 14 V



 
15.0   Lock nut switch (S86/1) and
Trunk lid lock
switch (S88/2)
Circuit
only
Models 140/170



23
(1.9)






22
(1.8)
N54/3
N54/4





N54/3
N54/4




32
(1.18)






32
(1.18)
 Disconnect N54/3 or N54/4 from .

S88/2:
Rest position:

Press and hold unlock:



S88/2:
Rest position:

Press and hold lock:






<1 V

11 - 14 V




<1 V

11 - 14 V		 Wiring,
S88/2



    Lock nut switch (S86/1) and
ATA/CF
microswitch (S88s1) circuit only
Model 129

23
(1.9)


N54/4





32
(1.18)


S88s1:
Rest position:

Press and hold lock:

<1 V

11 - 14 V		 Wiring,
S88s1



16.0 Radio frequency DAS control module (N54/3)
OR
DAS radio frequency/infrared control module (N54/4)
Output activation
(PSE/CL, CF, ATA)



30
(1.16)
N54/3
N54/4




15
(1.1)
 All doors closed and vehicle is unlocked.

Lock vehicle using transmitter key.		 11 - 14 V



<1 V
(approx. 0.5 seconds)
Turn signal system blinks 3X, vehicle locks.		 Wiring,
23 20.0,
23 21.0,
N54/3,
N54/4,
PSE (A37),
Model 170:
Combination control
module (N10-3)


17.0 Radio frequency DAS control module (N54/3)
OR
DAS radio frequency/infrared control module (N54/4)
Output deactivation
(PSE/CL, CF, ATA)



30
(1.16)
N54/3
N54/4




25
(1.11)
 All doors closed and vehicle is locked.

Unlock vehicle using transmitter key.		 11 - 14 V



<1 V
(approx. 0.5 seconds)
Turn signal system blinks 1X, vehicle unlocks.		 Wiring,
23 18.0,
23 19.0,
N54/3,
N54/4,
PSE (A37),
Model 170:
Combination control
module (N10-3)



18.0 Control line deactivation
(PSE/CL, CF, ATA)
+


32
(1.18)
N54/3
N54/4




25
(1.11)
 Disconnect N54/3 or N54/4 from .
Disconnect PSE (A37).
Disconnect grnd cable for battery.
Disconnect ATA control module.
Model 129 only:
Disconnect power soft top control module (N52).
>20 k Wiring.



19.0 Control line deactivation
(PSE/CL, CF, ATA)
-


30
(1.16)
N54/3
N54/4




25
(1.11)
 Disconnect N54/3 or N54/4 from .
Disconnect PSE (A37).
Disconnect grnd cable for battery.
Disconnect ATA control module.
Model 129 only:
Disconnect power soft top control module (N52).
>20 k Wiring.



20.0 Control line activation
(PSE/CL, CF, ATA)
+


32
(1.18)
N54/3
N54/4




15
(1.1)
 Disconnect N54/3 or N54/4 from .
Disconnect PSE (A37).
Disconnect grnd cable for battery.
Disconnect ATA control module.
Model 129 only:
Disconnect power soft top control module (N52).
>20 k Wiring.



21.0 Control line activation
(PSE/CL, CF, ATA)
-


30
(1.16)
N54/3
N54/4




15
(1.1)
 Disconnect N54/3 or N54/4 from .
Disconnect PSE (A37).
Disconnect ATA control module.
Model 129 only:
Disconnect power soft top control module (N52).
>20 k Wiring.



22.0 Coil for transponder (L11)
Activation		 N54/3
N54/4
1
(3)




N54/3
N54/4
2
(3)
 Disconnect connector 3 from N54/3 or N54/4
Ignition: ON		 125 kHz for approx. 0.2 - 0.8 seconds.
(measureable by Fluke 83, 88)		 23 1.0,
23 2.0,
N54/3,
N54/4


23.0 Coil for transponder (L11)
Resistance		 L11
1

L11
2
 Disconnect connector 3 from N54/3 or N54/4
Ignition: ON

4 - 6 L11



24.0   CAN H/CAN L data line
Motor electronics activation
to each other		 N54/3
N54/4
1
(2)


N54/3
N54/4
2
(2)
 Disconnect connector 2 from N54/3 or N54/4
Disconnect engine control module.
>20 k Wiring.



25.0   CAN L data line
Motor electronics activation
-//-		 N54/3
N54/4
1
(2)





2)
Disconnect connector 2 from N54/3 or N54/4
Disconnect engine control module, see foot note.		 >1 Wiring.


26.0   CAN H data line
Motor electronics activation
-//-		 N54/3
N54/4
1
(2)





2)
Disconnect connector 2 from N54/3 or N54/4
Disconnect engine control module, see foot note.		 >1 Wiring.


27.0   CAN L data line
Motor electronics activation
+
N54/3
N54/4
1
(2)




N54/3
N54/4

32
(1.18)
Disconnect connector 2 from N54/3 or N54/4
Disconnect engine control module.		 >20 k Wiring.


28.0   CAN H data line
Motor electronics activation
+
N54/3
N54/4
2
(2)




N54/3
N54/4

32
(1.18)
Disconnect connector 2 from N54/3 or N54/4
Disconnect engine control module.		 >20 k Wiring.


29.0   CAN L data line
Motor electronics activation
-
N54/3
N54/4
1
(2)




N54/3
N54/4

30
(1.16)
Disconnect connector 2 from N54/3 or N54/4
Disconnect engine control module.		 >20 k Wiring.


30.0   CAN H data line
Motor electronics activation
-
N54/3
N54/4
2
(2)




N54/3
N54/4

30
(1.16)
Disconnect connector 2 from N54/3 or N54/4
Disconnect engine control module.		 >20 k Wiring.


2) Prior to testing, please see appropriate ETM to determine engine control module harness socket number.



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