Cavalier, Sunfire 2001-2005

Powertrain Control Module (PCM)

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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

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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)

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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)

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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)

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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)

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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)

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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)

 
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