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Home >> Saturn >> 2006 >> Vue Red Line, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 252 (Engine Control System - 3.8L - Introduction (2 Of 2)) >> Component Locator >> Powertrain Control Module (PCM) Connector End Views

Powertrain Control Module (PCM) Connector End Views

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Powertrain Control Module (PCM) C1 (NU3)

GM1228485Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15460473
  • Service: See Catalog
  • 56-Way F Micro-Pack 64 Series (BU)
Pin Wire Color Circuit No. Function
1-3 - - Not Used
4 GY 2700 5-Volt Reference
5 - - Not Used
6 BN/WH 419 MIL Control
7 BK 2751 Low Reference
8 BK 2759 Low Reference
9 - - Not Used
10 WH 1310 EVAP Canister Vent Solenoid Valve Control
11 - - Not Used
12 BK 476 Low Reference
13-14 - - Not Used
15 D-GN 1049 PCM Class 2 Serial Data
16-17 - - Not Used
18 BN 1141 Ignition 3 Voltage
19 PK 439 Ignition 1 Voltage
20 OG 540 Battery Positive Voltage
21 WH 121 Engine Speed Signal (JL9)
22 D-GN 389 Vehicle Speed Signal
23 YE/BK 625 Starter Enable Relay Control
24 BN 5069 Powertrain Relay Control
25 - - Not Used
26 D-GN 890 Fuel Tank Pressure Sensor Signal
27-30 - - Not Used
31 RD/BK 380 A/C Refrigerant Pressure Sensor Signal
32 WH 17 Stop Lamp Switch Signal
33 D-GN/WH 459 A/C Compressor Clutch Relay Control
34 BN 436 Air Pump Relay Control
35-36 - - Not Used
37 D-GN/WH 465 Fuel Pump Relay Control
38-42 - - Not Used
43 PU 1589 Fuel Level Sensor Signal
44 GY 1884 Cruise Control Set/Coast and Resume/Accelerate Switch Signal
45-47 - - Not Used
48 D-GN 335 Low Speed Cooling Fan Relay Control
49 - - Not Used
50 D-BU 473 High Speed Cooling Fan Relay Control
51-52 - - Not Used
53 GY 2709 5-Volt Reference
54-56 - - Not Used
Powertrain Control Module (PCM) C1 (W/O NU3)

GM1228485Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15418488
  • Service: See Catalog
  • 56-Way F Micro-Pack 64 Series (BU)
Pin Wire Color Circuit No. Function
1-3 - - Not Used
4 GY 2700 5-Volt Reference
5 - - Not Used
6 BN/WH 419 MIL Control
7 BK 2751 Low Reference
8 BK 2759 Low Reference
9 - - Not Used
10 WH 1310 EVAP Canister Vent Solenoid Valve Control
11-14 - - Not Used
15 D-GN 1049 PCM Class 2 Serial Data
16-17 - - Not Used
18 BN 1141 Ignition 3 Voltage
19 PK 439 Ignition 1 Voltage
20 OG 540 Battery Positive Voltage
21 WH 121 Engine Speed Signal (JL9)
22 D-GN 389 Vehicle Speed Signal
23 YE/BK 625 Starter Enable Relay Control
24 BN 5069 Powertrain Relay Control
25 - - Not Used
26 D-GN 890 Fuel Tank Pressure Sensor Signal
27-30 - - Not Used
31 RD/BK 380 A/C Refrigerant Pressure Sensor Signal
32 WH 17 Stop Lamp Switch Signal
33 D-GN/WH 459 A/C Compressor Clutch Relay Control
34-36 - - Not Used
37 D-GN/WH 465 Fuel Pump Relay Control
38-42 - - Not Used
43 PU 1589 Fuel Level Sensor Signal
44 GY 1884 Cruise Control Set/Coast and Resume/Accelerate Switch Signal
45-47 - - Not Used
48 D-GN 335 Low Speed Cooling Fan Relay Control
49 - - Not Used
50 D-BU 473 High Speed Cooling Fan Relay Control
51-52 - - Not Used
53 GY 2709 5-Volt Reference
54-56 - - Not Used
Powertrain Control Module (PCM) C2 (NU3)

GM1524159Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15460475
  • Service: See Catalog
  • 73-Way F Micro-Pack 64 Series (BK)
Pin Wire Color Circuit No. Function
1 BN 1456 EGR Valve Position Signal
2 OG/BK 1061 UART Serial Data Secondary
3 TN 800 UART Serial Data Primary
4 BK/WH 845 Fuel Injector 5 Control
5 BK 1744 Fuel Injector 1 Control
6 YE/BK 846 Fuel Injector 6 Control
7 PK/BK 1746 Fuel Injector 3 Control
8 BK 2753 Low Reference
9 L-GN/BK 1745 Fuel Injector 2 Control
10 L-BU/BK 844 Fuel Injector 4 Control
11 TN/BK 424 IC Timing Signal
12 BK/WH 3112 HO2S Heater Low Control Sensor 1
13 RD 1676 EGR Solenoid High Control
14-15 - - Not Used
16 GY 435 EGR Solenoid Low Control
17 - - Not Used
18 L-GN 432 MAP Sensor Signal
19-25 - - Not Used
26 BK 630 Camshaft Position Signal
27 PU/WH 430 Low Resolution Engine Speed Signal
28 L-BU/BK 647 Medium Resolution Engine Speed Signal
29 BK 2761 Low Reference
30 OG/BK 469 Low Reference
31 BN 1174 Oil Level Switch Signal
32 - - Not Used
33 GY 2702 5-Volt Reference
34 GY 2704 5-Volt Reference
35 GY 474 5 Volt Reference
36 - - Not Used
37 RD/BK 453 Low Reference
38-40 - - Not Used
41 D-GN/WH 428 EVAP Canister Purge Solenoid Valve Control
42-44 - - Not Used
45 GY 23 Generator Field Duty Cycle Signal
46 D-BU 496 Knock Sensor 1 Signal
47 TN/WH 3111 HO2S Low Signal
48 PU/WH 3110 HO2S High Signal
49-52 - - Not Used
53 RD 225 Generator Turn On Signal
54 - - Not Used
55 YE 410 ECT Sensor Signal
56 - - Not Used
57 TN/BK 231 Oil Pressure Switch Signal
58 L-BU 1876 Knock Sensor 2 Signal
59 PK/BK 429 Air Solenoid Control
60 - - Not Used
61 WH 423 IC Timing Control
62-72 - - Not Used
73 BK/WH 451 Ground
Powertrain Control Module (PCM) C2 (W/O NU3)

GM1524157Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15462060
  • Service: See Catalog
  • 73-Way F Micro-Pack 64 Series (BK)
Pin Wire Color Circuit No. Function
1 BN 1456 EGR Valve Position Signal
2 OG/BK 1061 UART Serial Data Secondary
3 TN 800 UART Serial Data Primary
4 BK/WH 845 Fuel Injector 5 Control
5 BK 1744 Fuel Injector 1 Control
6 YE/BK 846 Fuel Injector 6 Control
7 PK/BK 1746 Fuel Injector 3 Control
8 BK 2753 Low Reference
9 L-GN/BK 1745 Fuel Injector 2 Control
10 L-BU/BK 844 Fuel Injector 4 Control
11 TN/BK 424 IC Timing Signal
12 BK/WH 3112 HO2S Heater Low Control Sensor 1
13 RD 1676 EGR Solenoid High Control
14-15 - - Not Used
16 GY 435 EGR Solenoid Low Control
17 - - Not Used
18 L-GN 432 MAP Sensor Signal
19-25 - - Not Used
26 BK 630 Camshaft Position Signal
27 PU/WH 430 Low Resolution Engine Speed Signal
28 L-BU/BK 647 Medium Resolution Engine Speed Signal
29 BK 2761 Low Reference
30 OG/BK 469 Low Reference
31 BN 1174 Oil Level Switch Signal
32 - - Not Used
33 GY 2702 5-Volt Reference
34 GY 2704 5-Volt Reference
35-36 - - Not Used
37 RD/BK 453 Low Reference
38-40 - - Not Used
41 D-GN/WH 428 EVAP Canister Purge Solenoid Valve Control
42-44 - - Not Used
45 GY 23 Generator Field Duty Cycle Signal
46 D-BU 496 Knock Sensor 1 Signal
47 TN/WH 3111 HO2S Low Signal
48 PU/WH 3110 HO2S High Signal
49-52 - - Not Used
53 RD 225 Generator Turn On Signal
54 - - Not Used
55 YE 410 ECT Sensor Signal
56 - - Not Used
57 TN/BK 231 Oil Pressure Switch Signal
58 L-BU 1876 Knock Sensor 2 Signal
59-60 - - Not Used
61 WH 423 IC Timing Control
62-72 - - Not Used
73 BK/WH 451 Ground
Powertrain Control Module (PCM) C3 (NU3)

GM1524164Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15460474
  • Service: See Catalog
  • 56-Way F Micro-Pack 64 Series (GY)
Pin Wire Color Circuit No. Function
1-3 - - Not Used
4 TN/WH 3121 HO2S Low Signal
5 YE/BK 1227 TFT Sensor Signal
6 YE 492 MAF Sensor Signal
7 - - Not Used
8 BK/WH 3122 HO2S Heater Low Control - Sensor 2
9-10 - - Not Used
11 RD/BK 1230 AT ISS High Signal
12 YE 400 VSS High Signal
13-14 - - Not Used
15 GY 773 Transmission Range Switch Signal C
16-18 - - Not Used
19 PU 3120 HO2S High Signal
20-21 - - Not Used
22 YE 772 Transmission Range Switch Signal B
23 WH 776 Transmission Range Switch Signal P
24 WH 1804 TCC Release Switch Signal
25 - - Not Used
26 TN 472 IAT Sensor Signal
27-30 - - Not Used
31 WH 5268 Air Pressure Sensor
32 - - Not Used
33 L-GN 1222 1-2 Shift Solenoid Valve Control
34 BK/WH 771 Transmission Range Switch Signal A
35-38 - - Not Used
39 TN/BK 422 TCC Solenoid Valve Control
40-43 - - Not Used
44 PU 401 VSS Low Signal
45 - - Not Used
46 YE/BK 1223 2-3 Shift Solenoid Valve Control
47 RD/BK 1228 PC Solenoid Valve High Control (Sol. A)
48 BK 452 Low Reference
49 D-BU/WH 1231 AT ISS Low Signal
50 BK 2760 Low Reference
51 L-BU/WH 1229 PC Solenoid Valve Low Control (Sol. A)
52-56 - - Not Used
Powertrain Control Module (PCM) C3 (W/O NU3)

GM1524162Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15418487
  • Service: See Catalog
  • 56-Way F Micro-Pack 64 Series (GY)
Pin Wire Color Circuit No. Function
1-3 - - Not Used
4 TN/WH 3121 HO2S Low Signal
5 YE/BK 1227 TFT Sensor Signal
6 YE 492 MAF Sensor Signal
7 - - Not Used
8 BK/WH 3122 HO2S Heater Low Control - Sensor 2
9-10 - - Not Used
11 RD/BK 1230 AT ISS High Signal
12 YE 400 VSS High Signal
13-14 - - Not Used
15 GY 773 Transmission Range Switch Signal C
16-18 - - Not Used
19 PU 3120 HO2S High Signal
20-21 - - Not Used
22 YE 772 Transmission Range Switch Signal B
23 WH 776 Transmission Range Switch Signal P
24 WH 1804 TCC Release Switch Signal
25 - - Not Used
26 TN 472 IAT Sensor Signal
27-32 - - Not Used
33 L-GN 1222 1-2 Shift Solenoid Valve Control
34 BK/WH 771 Transmission Range Switch Signal A
35-38 - - Not Used
39 TN/BK 422 TCC Solenoid Valve Control
40-43 - - Not Used
44 PU 401 VSS Low Signal
45 - - Not Used
46 YE/BK 1223 2-3 Shift Solenoid Valve Control
47 RD/BK 1228 PC Solenoid Valve High Control (Sol. A)
48 BK 452 Low Reference
49 D-BU/WH 1231 AT ISS Low Signal
50 BK 2760 Low Reference
51 L-BU/WH 1229 PC Solenoid Valve Low Control (Sol. A)
52-56 - - Not Used
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