Alero, Grand Am 1999-2005

Ignition Control Module (ICM)

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Fig.

PinWire ColorCircuit No.Function
APNK239Ignition 1 Voltage
BWHT423IC Timing Control (A)
C-D----Not Used
EBLK/WHT451Ground
FBRN/WHT633CMP Sensor Signal
GORN406IC Timing Control B
H-J----Not Used

2.2L (L61) Engine ICM Connector Pinout

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Fig.

PinWire ColorCircuit No.Function
ABLK750Ground
BPNK239Ignition 1 Voltage

2.2L (LN2) Engine ICM1 Connector Pinout

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Fig.

PinWire ColorCircuit No.Function
A----Not Used
BWHT423IC Timing Control
CORN406IC Timing Control (B)
D-E----Not Used
FRED/BLK453Low Reference

2.2L (LN2) Engine ICM2 Connector Pinout

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Fig.

PinWire ColorCircuit No.Function
AWHT423IC Timing Control
BORN406IC Timing Control (B)
C-E----Not Used
FYEL573CKP Sensor Signal
GPPL/WHT430Low Resolution Engine Speed Signal
HRED/BLK453Low Reference
JPPL574Low Reference
KBLK750Ground
LPNK239Ignition 1 Voltage

2.4L Engines ICM Connector Pinout



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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

2000-05 3.1L & 3.4L ICM C1 Connector Pinout

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Fig.

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

2000-05 3.1L & 3.4L 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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