FixVault

Powertrain Control Module (PCM) Connector end view (C175a)

Fig 1: Identifying Powertrain Control Module (PCM) Connector (C175A)
G10356586Courtesy of FORD MOTOR CO.
Pin Circuit Circuit function
1 ... not used
2 ... not used
3 4-RE8 (GY) SCP Bus, (+)
4 5-RE8 (BU) SCP Bus, (...)
5 ... not used
6 91S-RL3 (BN/BU) Evaporative emission (EVAP) canister vent valve (9F945), Ground, Switched
7 ... not used
8 ... not used
9 91S-FA79 (BN/BU) A/C clutch relay, Ground, Switched
10 ... not used
11 ... not used
12 91S-RL25 (BN/RD) EVAP canister purge valve, Ground, Switched
13 7-RE14 (YE/GN) ISO Bus
14 ... not used
15 ... not used
16 ... not used
17 9-RE8 (BN) Sensor signal return (reference/ground)
18 ... not used
19 91S-RN10 (BN/GN) Air pump relay, Ground, Switched
20 7-RE8 (YE) Reference, voltage
21 (BK) ... not used
22 ... not used
23 ... not used
24 31-RE8 (BK/YE) Ground
25 31-RE21 (BK/RD) Ground
26 31-RE26 (BK/RD) Ground
27 31-RE25 (BK/RD) Ground
28 29S-RE21 (OG/GN) Brake pressure switch (2B264), switched power
29 10-PG12 (GY/WH) Speed control servo (9C735), input
30 - not used
31 8-RJ22 (WH/BU) Mass Air Flow (MAF) sensor (12B579), Reference, Power
32 15S-RE8 (GN/YE) Voltage, ignition switch in Start or Run (not overload protected), Switched
33 15S-RE21 (GN/OG) Voltage, ignition switch in Start or Run (not overload protected), Switched
34 30S-RE10 (RD/BU) Air pump relay, Voltage supplied at all times (not overload protected), Switched
35 - not used
36 8-PG21 (WH/GN) Speed control servo (9C735), input
37 8-CE6 (WH) Power steering pressure switch, Reference, voltage
38 9-RJ22 (BN/BU) Mass Air Flow (MAF) sensor (12B579), Sensor signal return (reference/ground)
39 - not used
40 29S-RE13 (OG) Voltage supplied at all times (overload protected), Switched
41 8-TA21 (WH/GN) Sensor signal
42 8-FA88 (WH/VT) A/C pressure transducer sensor, Sensor signal
43 91-RE27 (BN/YE) Ground
44 29-RE8 (OG/YE) Voltage supplied at all times (overload protected)
45 8-PG12 (WH/VT) Speed control servo (9C735), input
46 10-PG21 (GY/OG) Speed control servo (9C735), input
48 - not used
49 8-TA67 (WH/VT) Sensor signal
50 8-TA68 (WH/BK) Sensor signal
51 8-RJ17 (WH/VT) Intake Air Temperature (IAT) sensor (12A697), Reference, voltage
52 8-RJ13 (WH/VT) Fuel tank pressure transducer sensor (9C968), Sensor signal
53 - not used
54 - not used
55 - not used
56 31S-PG24 (BK/OG) Speed control switch, Sensor signal return (reference/ground)
57 7-PG24 (YE/BU) Speed control switch, Reference, voltage
58 8-RE32 (WH/VT) Rear Electronic Module (REM), Sensor signal