Operation CHARM: Car repair manuals for everyone.

Global Positioning System Module



Telematics Control Module, Multi-Pin Connector Assignments







1 - Signal activation - Dual Horn Auxiliary Relay
2 - Signal activation - "lock vehicle"
3 - Cellular telephone connection -Audio in (not used)
4 - Cellular telephone connection - Battery Feedback (not used)
5 - Cellular telephone connection - Ground (GND)
6 - Cellular telephone connection - TXD-transfer (not used)
7 - Cellular telephone connection - RTS (not used)
8 - Cellular telephone connection - shielding Ground (GND) (not used)
9 - not used
10 - Line (+) Output to radio
11 - Auxiliary speaker (+) (not used)
12 - Telephone microphone (+)
13 - K-wire, Data Link Connector (DLC)
14 - Power supply - Terminal 15
15 - Telematics indicator LED "red" (in Telematics Control Head)
16 - Telematics indicator LED "green" (in Telematics Control Head)
17 - not used
18 - Ground (GND) (Terminal 31)
19 - Ground (GND) (Terminal 31)
20 - not used
21 - not used
22 - Signal activation - Auxiliary Emergency Flasher Relay
23 - Signal activation - "unlock vehicle"
24 - Cellular telephone connection - Audio out (not used)
25 - Cellular telephone connection - Audio Ground (GND) (not used)
26 - Cellular telephone connection - power supply (not used)
27 - Cellular telephone connection - RXD (not used)
28 - Cellular telephone connection - RTS (not used)
29 - Signal status - Telephone (not used)
30 - not used
31 - Line (-) Output to radio
32 - Auxiliary speaker (-) (not used)
33 - Telephone microphone (-)
34 - Mute - Radio
35 - Input "SOS" from telematic control head
36 - Input "Power" from telematic control head
37 - not used
38 - Crash-Signal from airbag control module
39 - Terminal 30 (B+)
40 - Terminal 30 (B+)
41 - Emergency (backup) battery (+) (not used)
42 - Emergency (backup) battery (-) (not used)