Alero, Grand Am 1999-2005

Powertrain Control Module (PCM)

Print



Click image to see an enlarged view

Fig. C1 Connector on 2.2L engines

PinWire ColorCircuit No.Function
1-3----Not Used
4PPL420TCC Release/ A/T Shift Lock Release Signal (MXO w/o K34) or TCC Release/ A/T Shift Lock Release/ Cruise Control Release Signal (MXO w/ K34) or Clutch Anticipate Signal (MM5 w/o K34) or Clutch Anticipate/ Cruise Control Release Signal (MM5 w/ K34)
5-6----Not Used
7BLK2760Low Reference
8-10----Not Used
11BLK2759Low Reference
12-14----Not Used
15PPL1807Class2 Serial Data
16PPL1807Class2 Serial Data
17-18----Not Used
19PNK639Ignition1 Voltage
20ORN480Battery Positive Voltage
21TAN472IAT Sensor Signal
22PPL1589Fuel Level Sensor Signal
23GRY27005V Reference A (C60)
24----Not Used
25GRY27095V Reference A
26-33----Not Used
33BRN/WHT419MIL Control
34DK GRN/WHT817Vehicle Speed Signal (K34)
35-36----Not Used
37RED/BLK380A/C Refrigerant Pressure Sensor Signal (C60)
38----Not Used
39DK GRN890Fuel Tank Pressure Sensor Signal
40-42----Not Used
43DK GRN335Cooling Fan Relay Control
44----Not Used
45WHT1310EVAP Canister Vent Solenoid Control
46DK GRN/WHT465Fuel Pump Relay Control
47DK GRN/WHT459A/C Compressor Clutch Relay Control (C60)
48----Not Used
49DK GRN83Cruise Control Inhibit Signal (K34)
50----Not Used
51BLK2751Low Reference (C60)
52-56----Not Used

PCM C1 Connector Pinout on 2.2L (L61 & LN2) Engines

Click image to see an enlarged view

Fig. C2 Connector on 2.2L engines

PinWire ColorCircuit No.Function
1LT BLU/BLK1748IAC Coil A Low Control
2LT BLU/WHT1747IAC Coil A High Control
3-4----Not Used
5DK GRN/WHT428EVAP Canister Purge Solenoid Control
6RED/BLK1228PC Solenoid Valve High Control (MX0)
7LT BLU/WHT1229PC Solenoid Valve Low Control (MX0)
8-9----Not Used
10LT GRN12221-2Shift Solenoid Valve Control (MX0)
11YEL/BLK12232-3Shift Solenoid Valve Control (MX0)
12BRN418TCC PWM Solenoid Valve Control (MX0)
13PPL/WHT1668HO2S High Signal
14TAN/WHT1669HO2S Low Signal
15TAN1667HO2S Low Signal
16PPL1666HO2S High Signal
17LT GRN/WHT1749IAC Coil B High Control
18LT GRN/BLK444IAC Coil B Low Control
19WHT423IC Timing Control
20ORN406IC Timing Control (B)
21-25----Not Used
26BRN/WHT633CMP Sensor Signal
27YEL573CKP Sensor Signal
28PPL574Low Reference
29LT GRN432MAP Sensor Signal
30----Not Used
31DK BLU417TP Sensor Signal
32-33----Not Used
34WHT776Transmission Range Switch Signal P (MX0)
35GRY773Transmission Range Switch Signal C (MX0)
36YEL772Transmission Range Switch Signal B (MX0)
37BLK/WHT771Transmission Range Switch Signal A (MX0)
38----Not Used
39BLK2761Low Reference
40BLK2762Low Reference (MX0)
41DK BLU/WHT1231A/T ISS Sensor Low (MX0)
42PPL401Signal Low-Front
43----Not Used
44GRY1716Low Reference
45ORN/BLK469Low Reference
46----Not Used
47BLK2752Low Reference
48----Not Used
49GRY23Generator Field Duty Cycle Signal

PCM C2 Connector Pinout on 2.2L (L61 & LN2) Engines (1 of 2)

Click image to see an enlarged view

Fig. C2 ConnectoRon 2.2L engines (Continued)

PinWire ColorCircuit No.Function
50RED225Generator Turn On Signal
51BLK1744Fuel Injector1 Control
52LT GRN/BLK1745Fuel Injector2 Control
53LT BLU/BLK396Cruise Control Engaged Signal (K34)
54TAN/BLK231Oil Pressure Switch Signal
55PNK1224Transmission Fluid Pressure Switch Signal A (MX0)
56DK BLU1225Transmission Fluid Pressure Switch Signal B (MX0)
57RED1226Transmission Fluid Pressure Switch Signal C (MX0)
58YEL657TCC Release Switch Signal (MX0)
59YEL410ECT Sensor Signal
60YEL/BLK1227TFT Sensor Signal (MX0)
61RED/BLK1230A/T ISS Sensor High (MX0)
62YEL400Signal-High Front
63----Not Used
64DK BLU496Knock Sensor Signal
65GRY27045V Reference B
66----Not Used
67GRY27015V Reference A
68----Not Used
69DK GRN676HO2S Heater Low Control
70BLK/WHT1423HO2S Heater Low Control
71LT BLU/BLK844Fuel Injector4 Control
72PNK/BLK1746Fuel Injector3 Control
73BLK/WHT451Ground

PCM C2 Connector Pinout on 2.2L (L61 & LN2) Engines (2 of 2)

Click image to see an enlarged view

Fig. C1 Connector on 2.4L Engines

PinWire ColorCircuit No.Function
1-5----Not Used
6BLK2759Low Reference
7BRN/WHT633CMP Sensor Signal
8PPL/WHT430Low Resolution Engine Speed Signal
9----Not Used
10GRY27095 V Reference A
11-17----Not Used
18BLK/WHT451Ground
19PNK639Ignition 1 Voltage
20ORN480Battery Positive Voltage
21DK BLU417TP Sensor Signal
22BLK150Ground
23-24----Not Used
25ORN406IC Timing Control (B)
26WHT423IC Timing Control
27TAN/BLK231Oil Pressure Switch Signal
28RED1226Transmission Fluid Pressure Switch Signal C (MX0)
29BLK/WHT771Transmission Range Switch Signal A (MX0)
30-31----Not Used
32GRY1716Low RefErence
33----Not Used
34DK BLU496KS [1] Signal
35PPL420TCC Release/ A/T Shift Lock Release Signal (MX0 w/o K34) or TCC Release/ A/T Shift Lock Release/ Cruise Control Release Signal (MX0 w/ K34) or Clutch Anticipate Signal (MM5 w/o K34) or Clutch Anticipate/ Cruise Control Release Signal (MM5 w/K34)
36-44----Not Used
45DK GRN890Fuel Tank Pressure Sensor Signal
46YEL/BLK1227TFT Sensor Signal (MX0)
47-48----Not Used
49RED/BLK380A/C Refrigerant Pressure Sensor Signal (C60)
50-51----Not Used
52BLK552Low Reference (C60)
53GRY23Generator Field Duty Cycle Signal
54YEL410ECT Sensor Signal
55PPL1589Fuel Level Sensor Signal
56----Not Used
57BLK452Low Reference
58PPL1807Class 2 Serial Data
59PPL1807Class 2 Serial Data
60TAN/WHT551Ground
61----Not Used
62LT GRN432MAP Sensor Signal
63RED/BLK1230A/T ISS Sensor High (MX0)
64YEL400Signal High - Front
65-66----Not Used

PCM C1 Connector Pinout on 2.4L Engines (1 of 2)

Click image to see an enlarged view

Fig. C1 Connector on 2.4L Engines (CONTINUED)

PinWire ColorCircuit No.Function
67DK BLU1225Transmission Fluid Pressure Switch Signal B (MX0)
68PNK1224Transmission Fluid Pressure Switch Signal A (MX0)
69YEL772Transmission Range Switch Signal B (MX0)
70-71----Not Used
72GRY773Transmission Range Switch Signal C (MX0)
73WHT776Transmission Range Switch Signal P (MX0)
74RED225Generator Turn On Signal
75BLK1744Fuel Injector 1 Control
76LT GRN/BLK1745Fuel Injector 2 Control
77-80----Not Used

PCM C1 Connector Pinout on 2.4L Engines (2 of 2)

Click image to see an enlarged view

Fig. C2 CONNECTOR ON 2.4l ENGINES

PinWire ColorCircuit No.Function
1-5----Not Used
6RED/BLK1228PC Solenoid Valve High Control (MX0)
7----Not Used
8DK GRN/WHT465Fuel Pump Relay Control
9LT BLU/WHT1229PC Solenoid Valve Low Control (MX0)
10-13----Not Used
14BLK/WHT1704Low Reference
15----Not Used
16DK GRN/WHT817Vehicle Speed Signal (K34)
17-19----Not Used
20TAN472IAT Sensor Signal
21TAN413O2S Low Signal
22PPL412O2S High Signal
23TAN/WHT1669HO2S Low Signal
24PPL/WHT1668HO2S High Signal
25-26----Not Used
27BRN718Low Reference

PCM C2 Connector Pinout on 2.4L Engines (1 of 2)

Click image to see an enlarged view

Fig. C2 CONNECTOR ON 2.4l ENGINES (CONTINUED)

PinWire ColorCircuit No.Function
28GRY720Low Reference
29BLK407Low Reference (MX0)
30----Not Used
31RED/BLK453Low Reference
32----Not Used
33GRY4165 V Reference A
34GRY5965 V Reference A (C60)
35GRY4745 V Reference B
36RED63112 Volt Reference
37-44----Not Used
45DK GRN83Cruise Control Inhibit Signal (K34)
46BRN/WHT419MIL Control
47----Not Used
48LT BLU/BLK396Cruise Control Engaged Signal (K34)
49YEL657TCC Release Switch Signal (MX0)
50----Not Used
51YEL/BLK12232-3 Shift Solenoid Valve Control (MX0)
52----Not Used
53LT GRN12221-2 Shift Solenoid Valve Control (MX0)
54DK GRN335Cooling Fan Relay Control
55DK GRN/WHT459A/C Compressor Clutch Relay Control (C60)
56DK GRN/WHT428EVAP Canister Purge Solenoid Control
57BRN418TCC PWM Solenoid Valve Control (MX0)
58WHT1310EVAP Canister Vent Solenoid Control
59-60----Not Used
61PPL401Signal Low - Front
62DK BLU/WHT1231A/T ISS Sensor Low (MX0)
63PNK/BLK632Low Reference
64BLK/WHT451Ground
65-70----Not Used
71LT BLU/WHT1747IAC Coil A High Control
72LT GRN/WHT1749IAC Coil B High Control
73LT GRN/BLK444IAC Coil B Low Control
74LT BLU/BLK1748IAC Coil A Low Control
75LT BLU/BLK844Fuel Injector 4 Control
76PNK/BLK1746Fuel Injector 3 Control
77-80----Not Used

PCM C2 Connector Pinout on 2.4L Engines (2 of 2)



Click image to see an enlarged view

Fig. C1 Connector

PinWire ColorCircuit No.Function
1BLK2762Atf Temperature (TFT) Sensor Ground
2-3----Not Used
4LT GRN12221-2 Shift Solenoid Valve
5DK BLU473High Speed Fans Control
6DK GRN335Low Speed Fans Control
7BRN/WHT633Camshaft Position PCM Input Signal
8PPL/WHT4303X Reference High
9LT BLU/BLK64724X CKP Sensor Signal (Reference)
10GRY2704MAP 5 Volt Reference A
11----Not Used
12DK GRN676HO2S Heater High Control (Bank 1 Sensor 1)
13ORN BLK469MAP/ECT Sensor Ground
14-15----Not Used
16BLK/WHT451PCM Ground
17BLK2760IAT Sensor Ground
18----Not Used
19PPL1500Ignition Wake up Power (Hot in Run / Bulb Test / Start)
20ORN540Battery Positive Voltage
21----Not Used
22PNK1224Transmission Fluid Pressure Switch Signal A (2000-02 Only)
23-27--Not Used
28TAN/WHT1669HO2 Sensor 2 Low
29TAN413HO2 Sensor 1 Low
30PPL420TCC Brake Switch Input
31BLK2753EGR Pintle Position Sensor Ground
32GRY435EGR Valve Control
33DK BLU496Knock Sensor (KS) Signal
34-37----Not Used
38LT GRN/WHT1749IAC Valve Coil B High
39-42----Not Used
43BLK1744Fuel Injector #1 Control
44YEL/BLK12232-3 Shift Solenoid Valve Control
45--Not Used
46PNK/BLK1746Fuel Injector #3 Control
47LT GRN/BLK1745Fuel Injector #2 Control
48RED/BLK4533X Reference Low
49-52----Not Used
53TAN/BLK424Bypass Control
54WHT423Ignition Control (IC)
55DK GRN/WHT817Vehicle Speed Signal Output
56BLK/WHT451PCM Ground
57BLK/WHT451PCM Ground
58DK GRN1049Class2 Serial Data
59----Not Used

3.1L & 3.4L PCM C1 Connector Pinout (1 of 2)

Click image to see an enlarged view

Fig. C1 Connector - Continued

PinWire ColorCircuit No.Function
60BLK/WHT451PCM Ground
61BLK2752Throttle Position (TP) Sensor Ground
62DK BLU/WHT1231AT ISS Low Signal
63RED/BLK1230AT ISS High Signal
64YEL400VSS High
65PPL401VSS Low
66-67----Not Used
68YEL772Transaxle Range Switch B
69YEL492MAF Sensor Input (Signal)
70-71----Not Used
72DK GRN83Cruise Disable/Inhibit Control
73BLK/WHT845Fuel Injector #5 Control
74-75-----
76DK GRN/WHT428EVAP Canister Purge Valve Control
77-78----Not Used
79YEL/BLK846Fuel Injector #6 Control
80BLK2751AC Pressure Sensor Ground

3.1L & 3.4L PCM C1 Connector Pinout (2 of 2)

Click image to see an enlarged view

Fig. C2 Connector

PinWire ColorCircuit No.Function
1----Not Used
2WHT1310EVAP Canister Vacuum Switch Input (Vent Valve Solenoid Control)
3DK GRN/WHT465Fuel Pump Relay Control
4WHT257EGR Valve Ignition Positive Voltage
5BRN/WHT419MIL Control
6----Not Used
7LT BLU/WHT1747IAC Valve Coil A High
8-9----Not Used
10PPL412HO2 Sensor 1 Signal
11PPL/WHT1668HO2 Sensor 2 Signal
12-15----Not Used
16WHT776Transaxle Range Switch P
17RED1226Transmission Fluid Pressure Switch Signal C
18BLK/WHT771Transaxle Range Switch A
19TAN/BLK231Engine Oil Pressure Switch Input
20-21----Not Used
22DK GRN/WHT762A/C Request Signal (C60/CJ3)

3.1L & 3.4L PCM C2 Connector (1 of 2)

Click image to see an enlarged view

Fig. C2 Connector - Continued

PinWire ColorCircuit No.Function
23PPL806Crank Input (Hot in Start Only)
24PNK439Ignition 1 Positive Voltage (Hot in Run / Bulb Test / Start)
25LT GRN432MAP Sensor Signal
26YEL410ECT Sensor Signal
27RED/BLK380A/C Refrigerant Pressure Sensor Signal
28BRN1456EGR Pintle Position Signal
29---Not Used
30GRY/BLK2702EGR 5 Volt Reference A
31-32----Not Used
33GRY2701TP Sensor 5 Volt Reference A
34GRY474Fuel Tank Pressure (FTP)/AC Pressure Sensor 5 Volt Reference B
35BLK452Sensor Ground
36----Not Used
37BLK/WHT3113O2
38----Not Used
39DK GRN/WHT459A/C Compressor Clutch Relay Control
40-41----Not Used
42LT BLU/BLK844Fuel Injector #4 Control
43----Not Used
44LT BLU/BLK1748IAC Valve Coil A Low
45RED/BLK1228PC Solenoid Valve High Control ( Sol, A)
46LT BIU/WHT1229PC Solenoid Valve Low Control ( Sol, A)
47-48----Not Used
49LT GRN/BLK444IAC Valve Coil B Low
50TAN472Intake Air Temperature (IAT) Sensor
51-54----Not Used
55DK GRN890Fuel Tank Pressure Sensor Input (Signal)
56GRY773Transaxle Range Switch C
57DK BLU1225Transmission Fluid Pressure Switch Signal B
58BRN1174Engine Oil Level Switch Input
59WHT85Cruise Engaged Input (Status)
60----Not Used
61RED225Generator L Terminal Control
62----Not Used
63YEL657TCC Release Switch Signal
64-65----Not Used
66DK BLU417Throttle Position (TP) Sensor Signal
67----Not Used
68YEL/BLK1227Transaxle Fluid Temperature (TFT) Sensor Signal
69PPL1589Fuel Level Sensor Input
70LT GRN1867CKP Battery Positive Voltage
71----Not Used
72RED/WHT812CMP Sensor Battery Positive Voltage
73BLK407CMP Sensor Ground
74YEL/BLK1868CKP Sensor Ground
75BRN436AIR Pump Relay Control
76YEL/BLK625Starter Enable Control
77----Not Used
78BRN418TCC PWM Solenoid Control
79----Not Used
80TAN413HO2S Low Signal

3.1L & 3.4L PCM C2 Connector (2 of 2)

 
label.common.footer.alt.autozoneLogo