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PARAMETERIZABLE Special Module (PSM) Control Unit Connector Assignment - GF54.21-D-0002-04H

General 

G10887836Courtesy of MERCEDES-BENZ USA

IMPORTANT No outputs on the PSM control unit should be active when connectors 1 and 2 are disconnected from the PSM control unit. First disconnect connector 1 (connector with circuit 30 supplies) and then connector 2.

IMPORTANT For reasons of contact reliability, only MCP 2.8 contacts (silver, unsealed) from Tyco should be used where necessary.

CONNECTOR 1

Pin no. Use
1 Not assigned/reserve
2 Output 18 (negative, 0.5 A)
3 Circuit 30.1
4 Output 07 (positive, 5 A)
5 Output 17 (negative, 0.5 A)
6 Circuit 30.1
7 Output 08 (positive, 5 A)
8 Output 09 (positive, 1 A, pulse-width-modulation (PWM) capable)
9 Output 16 (positive, 0.5 A)
10 Output 05 (positive, 5 A, capable of waking)
11 Output 10 (positive, 1 A, PWM-capable)
12 Output 15 (positive, 0.5 A)
13 Output 06 (positive, 5 A, capable of waking)
14 Output 11 (negative, 1 A)
15 Output 14 (positive, 0.5 A)
16 Output 03 (positive, 10 A, capable of waking)
17 Output 12 (negative, 1 A)
18 Circuit 30.2
19 Output 04 (positive, 10 A, capable of waking)
20 Output 13 (positive, 0.5 A)
21 Circuit 30.2
CONNECTOR 2

Pin no. Use
1 Input 06 (low active)
2 Input 04 (low active)
3 Circuit 31
4 Input 01 (high active)
5 Input 05 (low active)
6 Input 02 (high active)
7 Input 03 (high active)
8 Input 07 (analog)
9 Controller Area Network bus class B (interior) (CAN-B) low
10 Input 09 (analog)
11 Input 08 (analog)
12 CAN-B high
13 Output 01 (half-bridge, 5 A)
14 Input 10 (analog)
15 Controller Area Network bus Class C (body manufacturer) (CAN-ABH)-Low
16 Output 02 (half-bridge, 5 A)
17 Output 20 (negative, 0.5 A)
18 Controller Area Network bus Class C (body manufacturer) (CAN-ABH)-High
19 Output 19 (negative, 0.5 A)
20 Not used, spare (model 906)
Input and output (positive) RS485P, not inverting (model 639)
21 Not used, spare (model 906)
Input and output (negative) RS485N, inverting (model 639)