Cellular Telephone Preparation With Telematics Connectors

Telephone System

Cellular Telephone Preparation with Telematics Connectors

Telephone/Telematics Control Module (J526)





A Blue 42-pin connector (T42a)
B GPS connection (blue) from Radio, Telephone, Navigation System Antenna (R52)
C GSM emergency connection (purple) from Radio, Telephone, Navigation System Antenna

• Unlisted connector terminals are not used.

A - Blue 42-Pin Connector (T42a)





3 Microphone output (+) to Telephone Baseplate (R126)
4 Battery feedback from Telephone Baseplate
5 Ground (GND) to Telephone Baseplate
6 Ser-Tx (+) to Telephone Baseplate
8 Telephone Baseplate ground shielding
9 CAN bus high (Comfort)
10 LF (+) to Digital Sound System Control Module (J525)
11 Auxiliary Speaker (Telematics) (R91) (+)
12 Microphone input (+) from Microphone unit (in front roof module) (R164) (telephone microphone (R38))
13 K-wire
14 Terminal 75
15 "Red" LED to Telematics control head (E264)
16 "Green" LED to Telematics control head
18 Terminal 31
19 Terminal 31
24 LF (+) from Telephone Baseplate
25 Microphone output (-) to Telephone Baseplate
26 Terminal 30 to Telephone Baseplate
27 Ser-Rx (+) from Telephone Baseplate
30 CAN bus low (Comfort)
31 LF (-) to Digital Sound System Control Module (J525)
32 Auxiliary Speaker (Telematics) (R91) (-)
33 Microphone input (-) from Microphone Unit (in front roof module) (R164) (telephone microphone (R38))
34 LF Mute to Front Information Display Control Head Control Module (J523)
35 From the Telematics control head
36 to Telematics control head
38 Crash signal from Airbag Control Module (J234)
39 Terminal 30
40 Terminal 30
41 Emergency Battery (Telematics) (A16) (+)
42 Emergency Battery (Telematics) (-)