What connector is shown in this diagram?

Connector C175, the Powertrain Control Module (PCM) (12A650) connector, base part number 12B637, item A147, from the Taurus/Sable '02 connector views section (page 150-10).

Which PCM pins are the SCP Bus circuits?

Pin 15 is SCP Bus - (circuit 915, PK/LB) and pin 16 is SCP Bus + (circuit 914, TN/OG).

Which pins connect to the crankshaft position sensor?

Pin 21 is crankshaft position sensor (6C315) + on circuit 350 (GY), and pin 22 is crankshaft position sensor (6C315) - on circuit 349 (DB).

What wire color is the ECT sensor input to the PCM?

Pin 38, circuit 354 (LG/RD), is the Engine Coolant Temperature (ECT) sensor (12A648) input.

Which pins are grounds on this PCM connector?

Pin 24 (circuit 570, BK/WH) and pin 25 (circuit 57, BK) are Ground.

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2002 Ford Taurus/Sable PCM Connector C175 Pinout (Pins 1-40) - Duratec Wiring

PCM connector C175 pinout view with pin function table

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Service manual connector view of PCM connector C175 with a pin-by-pin circuit and function table.

AI caption December 2014 · Photo 567 of 579

This is a page (150-10, "Connector Views") from a 2002 Ford Taurus/Mercury Sable wiring reference showing connector C175, the 104-pin Powertrain Control Module (PCM) connector (base part 12B637; PCM component number 12A650, item A147). A drawing of the connector face indicates the pin numbering layout (pins 1–26 top, 27–53 and 79–104 rows, etc., figure F104001). Two tables list pins 1–21 and 22–40 with circuit numbers, wire colors, and circuit functions. Notable circuits include shift solenoids A and B (237 OG/YE, 315 VT/OG), the MIL control (658 PK/LG), DTR sensor TR1 (1144 YE/BK), turbine shaft speed sensor (970 DG/WH), fuel pump/fuel gauge sender (29 YE/WH), SCP Bus + and – (914 TN/OG, 915 PK/LB), crankshaft position sensor + and – (350 GY, 349 DB), grounds (570 BK/WH, 57 BK), ignition coil A cylinders 1 and 5 (850 YE/BK), knock sensor (1273 YE), HO2S #12 (94 RD/BK), MAF signal return (968 TN/LB), TFT, ECT (354 LG/RD), IAT (743 GY), and fuel pump driver module input (238 DG/YE). Many pins are marked "not used." A reader can identify wire colors and functions for PCM pins 1–40 on this connector.

This document covers 2002, which may differ from this 1997 Ford Taurus.

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Frequently asked questions

What connector is shown in this diagram?: Connector C175, the Powertrain Control Module (PCM) (12A650) connector, base part number 12B637, item A147, from the Taurus/Sable '02 connector views section (page 150-10).
Which PCM pins are the SCP Bus circuits?: Pin 15 is SCP Bus - (circuit 915, PK/LB) and pin 16 is SCP Bus + (circuit 914, TN/OG).
Which pins connect to the crankshaft position sensor?: Pin 21 is crankshaft position sensor (6C315) + on circuit 350 (GY), and pin 22 is crankshaft position sensor (6C315) - on circuit 349 (DB).
What wire color is the ECT sensor input to the PCM?: Pin 38, circuit 354 (LG/RD), is the Engine Coolant Temperature (ECT) sensor (12A648) input.
Which pins are grounds on this PCM connector?: Pin 24 (circuit 570, BK/WH) and pin 25 (circuit 57, BK) are Ground.