L322 Range Rover Telecommunication System Overview
ENTERTAINMENT AND INFORMATION SYSTEMS
DESCRIPTION AND OPERATION 86-8-67
TCU Harness Connector C0947 Pin Details
Pin No.
Description
Input/Output
1
Handset charging control signal
Output
2
SIM card data
Output
3 to 11
Not used
–
12
Auxiliary power supply
Input
13
I bus
Input/Output
14 to 16
Not used
–
17
Audio negative
Output
18
Audio positive
Output
19
SIM card supply
Output
20
SIM card reset signal
Output
21 to 23
Not used
–
24
Ground
–
25
Permanent power supply from battery
Input
26 to 28
Not used
–
29
Mute signal
Output
30
Not used
–
31
Permanent power supply from battery
Input
32
Permanent power supply from battery
Input
33
Ground
–
34
Ground
–
35 and 36
Not used
–
37
SIM card inserted signal
Input
38
SIM card data
Input
39 to 41
Not used
–
42
Ground
–
43
Permanent power supply from battery
Input
44 to 46
Not used
–
47
Amplifier control signal
Output
48
Telephone off signal
Input
49 to 51
Not used
–
52
Microphone negative
Input
53
Microphone wiring screen ground
–
54
Microphone positive
Input
