Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo, Regal 2001-2005

Ignition Control Module (ICM)

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Fig.

PinWire ColorCircuit No.Function
ATAN/BLK424Bypass Control
BTAN/BLK or wht423Ignition Control
C-D----Not Used
EPPL/WHT4303X Reference Signal
FRED/BLK453Reference Low

2001-05 3.1L, 3.4L & 2001 3.8L ICM C1 Connector Pinout

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Fig.

PinWire ColorCircuit No.Function
Ablk or BLK/WHT51 or 350Ground
BPNK239 or 539Fuse Ignition1 Feed

2001-05 3.1L, 3.4L & 2001 3.8L ICM C2 Connector Pinout

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Fig.

PinWire ColorCircuit No.Function
AYEL573CKP Sensor 1 Signal
B----Not Used
CPPL574Low Reference

2003-05 3.1L & 2001-04 3.4L ICM C3 Connector Pinout

PinWire ColorCircuit No.Function
ABLK350Ground
BPNK539Ignition 1 Voltage

2005 3.4L ICM C3 Connector Pinout

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Fig.

PinWire ColorCircuit No.Function
ABLK/WHT51Ground
BYEL/BLK2174Low Reference
CPPL2121IC 1 Control
DLT BLU2123IC 3 Control
EDK GRN2125IC 5 Control
FPNK639Ignition 1 Voltage

3.5L Bank 1 ICM Connector Pinout

PinWire ColorCircuit No.Function
ABLK/WHT51Ground
BYEL/BLK2174Low Reference
CLT BLU/WHT2126IC 6 Control
DDK GRN/WHT2124IC 4 Control
ERED/WHT2122IC 2 Control
FPNK239Ignition 1 Voltage

3.5L Bank 2 ICM Connector Pinout

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Fig.

PinWire ColorCircuit No.Function
AWHT423IC Timing Control
BTAN/BLK424IC Timing Signal
CLT BLU/BLK647Medium Resolution Engine Speed Signal
DPPL/WHT430Low Resolution Engine Speed Signal
EWHT121Engine Speed Signal
FBLK630Camshaft Position Signal
GYEL573CKP Sensor 1 Signal
HLT BLU/WHT1800CKP Sensor 2 Signal
JBRN/WHT633CMP Sensor Signal
KBLK/WHT451Ground
LRED/BLK453Low Reference
MBLK/WHT836Low Reference
NWHT/BLK64412-Volt Reference
PPNK239Ignition 1 Voltage

2001-05 3.8L ICM Connector Pinout

 
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