phone BMW 3 SERIES 2001 E46 CPT8000 Electrical Connectors And Wiring Diagrams Workshop Manual
[x] Cancel search | Manufacturer: BMW, Model Year: 2001, Model line: 3 SERIES, Model: BMW 3 SERIES 2001 E46Pages: 9, PDF Size: 0.84 MB
Page 2 of 9

--------------- BMW CPT8000 Training & Troubleshooting Manual --------------- 
 
Version 2.01           8/29/2001 
5.1   25 Pin D-Sub Connector to TCU Adapter Cable 
 
 
  Figure 1  -  Looking into 25 pin D-Sub Connector      Figure 2  - Connector 
 
This is a  male connector
, number X18500, comprised of 25  female pins and mates with a female 
connector, with 25 male pins, on the TCU adapter cable.  It is used with all models equipped with the 
CPT8000.  Figure 1 represents the connector with pin orientation and figure 2 is a drawing of the 
actual connector.  Wire colors may vary due to manufacturing variations. 
 
Pin # Wire Color  Pin Description     Notes 
 
1  Yellow-Red  RX On/Off 
2  White   Mayday Switch - LED 
3  Brown-Black  KL31 - Ground 
4  Red-Yellow  KL30 - B+ 
5  Purple-Red  Ignition Sense      M5 = Purple 
6  Blue-Green  TX Audio 
7  White-Blue  Battery Feedback 
8  Orange   Hand Set Power Supply 
9  Blue-Yellow  Mayday Switch - Emergency 
10  White-Brown  Entertainment Mute 
11  Blue    TXD 
12  White-Red  Reserved 
13  Yellow-Brown  Mayday Switch - Roadside Assistance 
14  Green   Microphone – Negative    5 Wagon = Brown-white 
15  Yellow-Black  Microphone – Positive    5 Wagon = White 
16  Red-Yellow  KL30 - B+ 
17  Brown-Black  KL31 - Ground 
18  White-Green  RXD 
19  Orange   Speaker – Positive     M5 = Blue-black, 5 Wagon = Black-white 
20  Black   Shielded Ground to Microphone 
21  White-Gray  Telephone On 
22   White-Gray-Yellow I-Bus 
23  Yellow   Logic Ground 
24  White-Black  Analog Ground 
25    Brown-Yellow    Speaker – Negative          M5 = Blue-brown, 5 Wagon = Black-brown
  
Page 3 of 9

--------------- BMW CPT8000 Training & Troubleshooting Manual --------------- 
 
Version 2.01           8/29/2001 
5.2A    Eject Box Wiring Harness - 18 Male Pin, Female ELO Connector 
 
 
  Figure 1  - 18 Male Pin ELO Connector        Figure 2  - Connector 
 
This is a  female connector
, number X4545, with 18  male pins located at the end of the eject box 
wiring harness and mates with a  male connector
 containing 18 female pins at the end of the factory 
wiring harness that ends at the console.  It is used with all models equipped with the CPT8000.  Figure 
1 represents the connector with pin orientation and figure 2 is a drawing of the actual connector.  Wire 
colors may vary due to manufacturing variations. 
 
Pin #  Wire Color    Pin Description    Notes 
1   Orange     TXD 
2   None     Not Used 
3   White-Blue    RXD 
4   Gray     RX On/Off 
5   White-Gray    Jumper to Pin 9 
6   Brown     TX Audio 
7   White-Black    Logic Ground 
8   None     Not Used 
9   White-Gray    I-Bus 
10   None     Not Used 
11   White-Gray    Telephone On - In 
12   None     Not Used 
13   Orange     Hand Set Power Supply 
14   White-Gray     Telephone On - Out 
15   Yellow-Black    58G - Not Used 
16   White-Blue    Battery Feedback 
17   Brown     KL31 - Ground 
18   White-Black    Audio Ground  
Page 4 of 9

--------------- BMW CPT8000 Training & Troubleshooting Manual --------------- 
 
Version 2.01           8/29/2001 
5.2B    Factory Installed - 18 Female Pin, Male ELO Connector  
 
  Figure 1  - 18 Female Pin ELO Connector       Figure 2  - Connector 
 
This is a  male connector
, number X4545, with 18  female pins on the factory wiring harness ending at 
the console and mates with a  female connector
, with male pins.  It is used with all models equipped 
with the CPT8000.  Figure 1 represents the connector with pin orientation and Figure 2 is a drawing of 
the actual connector.  Wire colors may vary due to manufacturing variations. 
 
Pin #  Wire Color    Pin Description    Notes            
1   Blue      TXD 
2   White-Red    Reserved 
3   White-Green    RXD 
4   Yellow-Red    RX On/Off 
5   None     Not Used 
6   Blue-Green    TX Audio 
7   Yellow     Logic Ground 
8   Purple-Red    Ignition 
9   White-Gray-Yellow  I-Bus 
10   Red-Yellow    KL30 - B+ 
11   White-Yellow    Telephone On - In 
12   None     Not Used 
13   Orange     Hand Set Power Supply 
14   White-Gray     Telephone On - Out 
15   Gray-Red 
   or Gray-Yellow   58G - Not Used    5 Wagon = Gray-red 
16   White-Blue    Battery Feedback 
17   Brown     KL31 – Ground    5 Wagon = Brown-black 
18   White-Black    Audio Ground 
  
Page 5 of 9

--------------- BMW CPT8000 Training & Troubleshooting Manual --------------- 
 
Version 2.01           8/29/2001 
5.3   CPT8000 12-Pin Wiring Harness Connector 
 
 
        Figure 1A  - CPT8000 Wiring Harness Connector  Female Connector - 12 Male Pins 
 
        Figure 1B  - CPT8000 Wiring Harness Connector       Figure 2  - Connector  Male Connector - 12 Female Pins 
 
A  male connector
, number X400, with 12  female pins connects the factory-installed phone wiring 
harness to the vehicle's wiring.  It mates with a  female connector
, with 12 male pins that is part of the 
vehicle wiring.  It is used with all models equipped with the CPT8000 except for E46 which has the 
phone wiring harness wired directly with the vehicles main wiring harness.  Figures 1A and 1B above, 
represent the connectors with pin orientation and Figure 2 is a drawing of the actual connectors.  Wire 
colors may vary due to manufacturing variations. 
 
Pin #  Wire Color    Pin Description     Notes 
1    Red-Yellow    KL30 - B+ 
2   Purple-Red    Ignition 
3   Blue-Yellow    Mayday Switch - Emergency 
4   White-Gray-Yellow  I-Bus 
5   Gray-Red    58G 
6   White     Mayday Switch - LED 
7   Brown-Black    KL31 - Ground 
8   White-Brown    Mute 
9   Black-White    Speaker – Positive 
10   Black-Brown    Speaker – Negative 
11   White-Green    Telephone On 
12   Yellow Brown   Mayday Switch-Roadside Assistance  
Page 6 of 9

--------------- BMW CPT8000 Training & Troubleshooting Manual --------------- 
 
Version 2.01           8/29/2001 
5.4   26 Female Pin, Male ELO Connector for E46 Convertible 
 
  Figure 1  - 26 Female Pin ELO Connector       Figure 2  - Connector 
 
This is a  male connector , number X0000, with 26  female pins and mates with a female connector 
with 26  male pins
 on the TCU adapter cable. It is used only with the E46 convertible model equipped 
with the CPT8000.  Figure 1 represents the connector with pin orientation and Figure 2 is a drawing of 
the actual connector.  Wire colors may vary due to manufacturing variations. 
 
Pin #  Wire Color    Pin Description    Notes            
 
1   Yellow-Red    RX On/Off  
2   None      Not Used 
3   Brown     KL31 (Ground) 
4   Red      KL 30 (B+) 
5   Violet     KLR 
6   Blue-Green     TX Audio 
7   Grey-Green     Battery Feedback 
8   Blue-Yellow    Handset Power Supply 
9   None      Not Used 
10   Black      Ent. Mute 
11   Blue      TXD 
12   White-Red     Reserved 
13   None      Not Used 
14   White     Microphone - Negative 
15   Brown-White    Microphone - Positive 
16   Red      KL 30 (B+) 
17   Brown     KL31 (Ground) 
18   White-Green    RXD 
19   Black      Speaker Positive 
20   Brown-Black    Shield Ground 
21   Grey-Red     Telephone On 
22   White-Red     I-Bus 
23   Yellow     Logic Ground 
24   White-Black    Analog Ground 
25   Yellow     Speaker Negative 
26   None      Not Used
  
Page 7 of 9

--------------- BMW CPT8000 Training & Troubleshooting Manual --------------- 
 
Version 2.01           8/29/2001 
5.5   28 Pin Multilock TCU Connector 
 
  
Figure 1  - 28 - Pin Multilock TCU Connector 
 
This is a  male connector with 28 female pins and mates with a  female connector with 26 male pins 
on the TCU adapter cable. Figure 1 represents the connector with pin orientation.  Wire colors may 
vary due to manufacturing variations. 
 
25 Pin  28 Pin    Wire Color    Pin Description   Notes  
DSUB   Multilock 
Pin #      Pin # 
 
1   A8     Yellow-Red    RX Audio On/Off  
2   B3     White     LED Output 
3   B2     Brown-Black    Vehicle Battery Ground 
4   B1     Red-Yellow    Vehicle Battery Voltage 
5   B4     Violet-Red     Ignition 
6   A4     Blue-Green     Tx Audio 
7   A5     White-Blue     Battery Feedback 
8   A6     Orange     External B+ 
9   A13     Blue-Yellow    Emergency Button 
10   B5     White-Brown    Mute 
11   A1     Blue      TxD 
12   A2     White-Red     Reserved 
13   A3     Yellow-Brown    Roadside Button 
14   B10     Green     Microphone - Negative 
15   B11     Yellow-Black    Microphone - Positive 
16   A12     Red-Yellow    Battery + 
17   A11     Brown-Black    Battery Ground 
18   A7     White-Green    RxD 
19   B8     Blue-Black     Speaker Positive 
20   B9     Black      Shield 
21   A14     White-Gray     Telephone On 
22   B12     White-Gray-Yellow   I-Bus 
23   A15     Yellow     Logic Ground 
24   A16     White-black    Audio Ground 
25   B7     Blue-Brown    Speaker Negative
 
J2 J1
BA161 12
7 16
8
9 
Page 8 of 9

---------- BMW CPT8000 Training & Troubleshooting Manual ---------- 
 
Versio n 2 .01        8/29/2001 
5.6A    CPT8000 Wiring Diagram – All Models Except E46 
 
TCU 28 Pin MultilockSPKR Pos.SPKR Neg.Ent. MuteKL30 (A+)KL31 (Gnd)KL30 (A+)KL31 (Gnd)Phone SCI TXDReserved (MDI)Phone SCI RXDTx AudioRx On/OffLogic GndKLRI-BusLED OutputExt B+Tel OnEmer. ButtonBatt FdbkAnalog GndRoadside ButtonMic. Neg.Mic. Pos.ShieldNot UsedNot UsedNot Used
B11B10A3A16B6A10A9B9B3B12B4A15A5A13A14A6A1A11B2A12A4A8A7A2B5B7B8J1B1
AssistKL58gLEDEMER.KL31not used
643215
YLW/BRNGRY/REDWHTBLU/YLWBRN/BLKN/C
Mayday Switch
25 Pin D-Sub Connector to
TCU 28 Pin Multilock Connector Adapter Cable
SPKR. Neg.Spkr. Pos.Ent. MuteKL30 (B+)KL30 (B+)KL31 (Gnd)TXDKL31 (Gnd)ReservedRXDRx On/OffTX AudioLogic GndKLRI-BusLEDHandset Power SupplyEmergencyBatt FdbkAnalog Gnd.RoadsideMic. Neg.Mic. Pos.Shield Gnd
247982015141361181222252341025191117316
Tel On
21
TCU
25 Pin D-Sub X18500
To TCU H-38
RXDTXDRX on-offTX AudioLogic GNDBatt. FdbkMan. TestNot UsedNot UsedNot UsedAudio GndRF GndRFNot Applicable
151312113218976451410
Timeport 
TM
Handset 101043
ReservedTXDRXDNot UsedTX AudioLogic GndNot UsedNot UsedNot UsedNot UsedExt. B+Man. TestNot UsedHandset Power SupplyGndAudio GndBatt FdbkEject Box A117
Handset Power
Supply
RX on-off
R
ReservedTXDRXDNot UsedTX AudioLogic GndI-BUSKLRB+ (KL30)Tel On (In)Not UsedTel On (Out)KL58GBatt FdbkHandset Power
SupplyAudio GndGnd (KL31)18 Pin ELOX4545BRX on-offConnector in Console WS/SW
BRWS/BLORWS/GRWS/GRBRWS/SWGR
WS/BLOR
SW /W S
Spk
9
Spk
10Mute
8 B+
1Gnd
7
58
5
Tel on
11
Emer
3IBus
4 KLR
2LED
6 Road
12
12 Pin Vehicle Connector - X400
SW /BR
WS/BR
RT/GE Incl.Pins 4 & 16
BR/SW  Incl. Pins 3 & 17
BL
WS/RT
W S/GN or GN/RT
GE/RT
BL/GN
GE
VI/RT
WS/SWWS/GR/GEOR
WS/GR
BL/GE
WS/BL
GE/BR
WS/GR RT/GE BL
WS/RTWS/GN or GN/RTGE
VI/RT
WS/GE
OR
GE/RT
BL/GNWS/BLBR/SW
WS/SWGR/RT or GR/GE
SW/WS
SW/BR
WS/BR RT/GE
BR/SW
GR/RT
WS/GE
BL/GE
WS
VI/RT or VI/WS
WS/GR/GE
GE/BR
WS/GE
RT/GE
BR/SW
A
3
1
2Tel
Gnd
B+14 Pins, Only 3 UsedCompensator
J01039
OR
W /O Compensator
W ith Compensator
Note:   10 K     Resistance
Between RF Connector and
Center Wire on Eject Box RF Cable
BR/W S or GNGE/SW or WS
BR/SW  or SW
3
1
2
BR/WS or SWWS or GE
SW  or Clear
3
1
2
X4221 X18507
A
Continued Above at Top of Diagram
Ω
SW-Black
BR-Brown
RT-Red
GE-Yellow
GN-GreenBL-Blue
VI-Violet
GR-Gray
WS-White
OR-OrangeColor Abbreviations
Note:
 Some wire
colors may be
different than shown
due to manufacturing variations
RF
Cable
Coil Cord Wiring
Compensator Cable
Part of Compensator Kit
Spkr wires
are twisted
MIC
WS
3
1
2 3
1
2
R = 33 K
Ω
123456789101112131415161718
WS/GR/GE
BMW CPT8000 All models Except E46 (version 2.01)
Note: Some wire colors may
be different than shown due
to manufacturing variations. 
Page 9 of 9

---------- BMW CPT8000 Training & Troubleshooting Manual ---------- 
 
Versio n 2 .01        8/29/2001 
5.6B    CPT8000 Wiring Diagram – E46 Only 
TCU 28 Pin MultilockSPKR Pos.SPKR Neg.Ent. MuteKL30 (A+)KL31 (Gnd)KL30 (A+)KL31 (Gnd)Phone SCI TXDReserved (MDI)Phone SCI RXDTx AudioRx On/OffLogic GndKLRI-BusLED OutputExt B+Tel OnEmer. ButtonBatt FdbkAnalog GndRoadside ButtonMic. Neg.Mic. Pos.ShieldNot UsedNot UsedNot Used
B11B10A3A16B6A10A9B9B3B12B4A15A5A13A14A6A1A11B2A12A4A8A7A2B5B7B8J1B1
AssistKL58gLEDEMER.KL31not used
643215
YLW /BRNGRY/REDWHTBLU/YLWBRN/BLKN/C
Mayday Switch
26 Pin ELO Connector to
TCU 28 Pin Multilock Connector Adapter Cable
SPKR. Neg.Spkr. Pos.Ent. MuteKL30 (B+)KL30 (B+)KL31 (Gnd)TXDKL31 (Gnd)ReservedRXDRx On/OffTX AudioLogic GndKLRI-BusNot UsedHandset Power SupplyNot UsedBatt FdbkAnalog Gnd.Not UsedMic. Neg.Mic. Pos.Shield Gnd
247982015141361181222252341025191117316
Tel On
21
TCU
26 Pin ELO
X695
RXDTXDRX on-offTX AudioLogic GNDBatt. FdbkMan. TestNot UsedNot UsedNot UsedAudio GndRF GndRFNot Applicable
151312113218976451410
Timeport 
TM
Handset 101043
ReservedTXDRXDNot UsedTX AudioLogic GndNot UsedNot UsedNot UsedNot UsedExt. B+Man. TestNot UsedHandset Power SupplyGndAudio GndBatt FdbkEject Box A117
Handset Power
Supply
RX on-off
R
ReservedTXDRXDNot UsedTX AudioLogic GndI-BUSKLRB+ (KL30)Tel On (In)Not UsedTel On (Out)KL58GBatt FdbkHandset Power
SupplyAudio GndGnd (KL31)18 Pin ELOX4545BRX on-offConnector in Console WS/SW
BRWS/BLORWS/GRWS/GRBRWS/SWGR
WS/BLOR
RT
Pins 4 & 16BR
Pins 3 & 17
BL
WS/RT
WS/GN
GE/RT
BL/GN
GE
VI
WS/SWWS/RTBL/GE
GR/RT
GR/GN
GR/RT RT BL
WS/RTWS/GNGE
VI
WS/GE
BL/GE
GE/RT
BL/GNGR/GN BR
WS/SWGR/RT or GR/GEWS/GE
RT
BR
3
1
2 Tel
Gnd
B+14 Pins, Only 3 UsedCompensator
J01039
OR
W /O Compensator
With Compensator
Note:   10 K     Resistance
Between RF Connector and
Center Wire on Eject Box RF
Cable
WSBR/W S
BR/SW
3
1
2
BR/W S or SWWS or GE
SW  or Clear
3
1
2
X4221 X18507
A
Continued Above at Top of Diagram
Ω
SW-Black
BR-Brown
RT-Red
GE-Yellow
GN-GreenBL-Blue
VI-Violet
GR-Gray
WS-White
OR-OrangeColor Abbreviations
Note:
 Some wire
colors may be
different than shown
due to manufacturing
variations
RF
Cable
Coil Cord Wiring
Compensator Cable
Part of Compensator Kit
Spkr wires (pin 19 & 25) are twisted
MIC
3
1
2 3
1
2
R = 33 K
Ω
123456789101112131415161718
WS/RT
BMW CPT8000 E46 (Version 2.01)
Not Used
26
Vehicle Audio
(SW )
(GE)
 (SW )
A
Note: Some wire colors may be different than
shown due to manufacturing variations.