LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1999 >> Forward Control 5.7 R, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Component Tests >> Computerized Engine Controls >> Powertrain Control Module (Pcm) Connector Terminal Identification >> Powertrain Control Module (Pcm) - 2.2L
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Powertrain Control Module (Pcm) - 2.2L

POWERTRAIN CONTROL MODULE (PCM) - 2.2L (1)

Connector Terminal No. Wire Color Function
C1 (Blue) 1-5 ..... Not Used
C1 (Blue) 6 ORG/BLK (2) Ground
C1 (Blue) 7 BRN/WHT CMP Sensor Signal
C1 (Blue) 8 PPL/WHT CKP 7x Reference Signal
C1 (Blue) 9 ..... Not Used
C1 (Blue) 10 GRY Fuel Tank Pressure Sensor Reference Voltage
C1 (Blue) 11-17 ..... Not Used
C1 (Blue) 180 BLK/WHT PCM Ground
C1 (Blue) 19 PNK Ignition Voltage
C1 (Blue) 20 ORN Battery Voltage
C1 (Blue) 21 DK BLU TP Sensor Signal
C1 (Blue) 22-24 ..... Not Used
C1 (Blue) 25 ORN Ignition Control B
C1 (Blue) 26 WHT Ignition Control A
C1 (Blue) 27 ..... Not Used
C1 (Blue) 28 RED Transmission Range C Input
C1 (Blue) 29 BLK/WHT PRNDL A Input
C1 (Blue) 30-32 ..... Not Used
C1 (Blue) 33 DK BLU KS Signal
C1 (Blue) 34 ..... Not Used
C1 (Blue) 35 PPL TCC Brake Switch Input
C1 (Blue) 36 LT BLU A/C Request Signal
C1 (Blue) 37-44 ..... Not Used
C1 (Blue) 45 DK GRN Fuel Tank Pressure Sensor Signal
C1 (Blue) 46 YEL/BLK TFT Sensor Signal
C1 (Blue) 47 & 48 ..... Not Used
C1 (Blue) 49 RED/BLK A/C Refrigerant Pressure Sensor Signal
C1 (Blue) 50 & 51 ..... Not Used
C1 (Blue) 52 BLK A/C Refrigerant Pressure Sensor Ground
C1 (Blue) 53 ..... Not Used
C1 (Blue) 54 YEL ECT Sensor Signal
C1 (Blue) 55 PPL Fuel Level Sensor Input
C1 (Blue) 56 ..... Not Used
C1 (Blue) 57 BLK TP Sensor Ground
C1 (Blue) 58 YEL Serial Data (Class II)
C1 (Blue) 59 DK GRN Serial Data (Class II)
C1 (Blue) 60 BLK/WHT PCM Ground
C1 (Blue) 61 PNK IGN 2
C1 (Blue) 62 LT GRN MAP Sensor Signal
C1 (Blue) 63 PPL/WHT VSS High
C1 (Blue) 64-66 ..... Not Used
C1 (Blue) 67 DK BLU Transmission Range B Input
C1 (Blue) 68 PNK Transmission Range A Input
C1 (Blue) 69 YEL PRNDL B
C1 (Blue) 70 YEL/BLK High Resolution Vehicle Speed Output
C1 (Blue) 71 ..... Not Used
C1 (Blue) 72 GRY PRNDL C
C1 (Blue) 73 WHT PRNDL P
C1 (Blue) 74 RED Generator Terminal L
C1 (Blue) 75 BLK Fuel Injector No. 1 Control
C1 (Blue) 76 LT GRN/BLK Fuel Injector No. 2 Control
C1 (Blue) 77-80 ..... Not Used
C2 (Red) 1-5 ..... Not Used
C2 (Red) 6 RED/BLK Pressure Control Solenoid High Control
C2 (Red) 7 ..... Not Used
C2 (Red) 8 DK GRN/WHT Fuel Pump Relay Control
C2 (Red) 9 LT BLU/WHT Pressure Control Solenoid Low Control
C2 (Red) 10 WHT Tachometer Output
C2 (Red) 11-13 ..... Not Used
C2 (Red) 14 BLK/WHT MAP Sensor Ground
C2 (Red) 15 ..... Not Used
C2 (Red) 16 DK GRN/WHT VSS Output (Cruise)
C2 (Red) 17 DK GRN VSS Output (Cluster)
C2 (Red) 18 & 19 ..... Not Used
C2 (Red) 20 TAN IAT Sensor Signal
C2 (Red) 21 TAN HO2S 1 Low
C2 (Red) 22 PPL HO2S 1 Signal
C2 (Red) 23 TAN/WHT HO2S 2 Low
C2 (Red) 24 PPL/WHT HO2S 2 Signal
C2 (Red) 25 & 26 ..... Not Used
C2 (Red) 27 BRN ECT Sensor Ground
C2 (Red) 28 GRY IAT Sensor Ground
C2 (Red) 29 BLK TFT Sensor Ground
C2 (Red) 30 ..... Not Used
C2 (Red) 31 RED/BLK ICM Reference Low
C2 (Red) 32 ..... Not Used
C2 (Red) 33 GRY TP Sensor Reference Voltage
C2 (Red) 34 GRY A/C Refrigerant Pressure Sensor Reference Voltage
C2 (Red) 35 GRY MAP Sensor Reference Voltage
C2 (Red) 36 RED CMP Sensor Battery Voltage Supply
C2 (Red) 37-45 ..... Not Used
C2 (Red) 46 BRN/WHT MIL Control
C2 (Red) 47 ..... Not Used
C2 (Red) 48 LT BLU/BLK Cruise Engaged Input
C2 (Red) 49 ..... Not Used
C2 (Red) 50 TAN/BLK TCC Solenoid Control
C2 (Red) 51 YEL/BLK 2-3 Shift Solenoid Control
C2 (Red) 52 WHT 3-2 Shift Solenoid Control
C2 (Red) 53 LT GRN 1-2 Shift Solenoid Control
C2 (Red) 54 ..... Not Used
C2 (Red) 55 DK GRN/WHT A/C Compressor Clutch Relay Control
C2 (Red) 56 DK GRN/WHT EVAP Canister Purge Valve Control
C2 (Red) 57 BRN TCC PWM Solenoid Control
C2 (Red) 58 WHT EVAP Canister Vent Solenoid Control
C2 (Red) 59-61 ..... Not Used
C2 (Red) 62 LT GRN/BLK VSS Low
C2 (Red) 63 PNK/BLK CMP Sensor Ground
C2 (Red) 64 BLK/WHT PCM Ground
C2 (Red) 65-70 ..... Not Used
C2 (Red) 71 LT BLU/WHT IAC Coil A High
C2 (Red) 72 LT GRN/WHT IAC Coil B High
C2 (Red) 73 LT GRN/BLK IAC Coil B Low
C2 (Red) 74 LT BLU/BLK IAC Coil A Low
C2 (Red) 75 LT BLU/BLK Fuel Injector No. 4 Control
C2 (Red) 76 PNK/BLK Fuel Injector No. 3 Control
C2 (Red) 77-80 ..... Not Used
(1) See Figure.
(2) Fuel tank pressure sensor, fuel level sensor and fuel pump grounds.