Air Suspension Module

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Air Suspension Module Connector End View

Courtesy of GENERAL MOTORS CORP.

Air Suspension Module Connector Parts Information

Connector Part Information

OEM: 12129225
Service: See Catalog
Description: 24-Way F Micro-Pack 100 Series (GY)

Air Suspension Module Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	YE	V-SEVEN	Air Suspension Exhaust Valve Control
2	YE	V-TWO	Air Suspension Inlet Valve-RR Control
3	YE	HS/PT1	5-Volt Reference
4	YE	HS-TWO	Air Suspension Sensor Signal - RR
5	YE	HS-ONE	Air Suspension Sensor Signal - LR
6	YE	ERH-SW	Ride Height Switch Signal
7	YE	HS-GND	Low Reference
8	YE	E-GND	Ground
9	YE	COTWO	Overtemp Signal
10	YE	J1850	Class 2 Serial Data
11	YE	P-T	Air Suspension Pressure Sensor Signal
12	YE	E-BATT	Battery Positive Voltage
13	YE	C-RLY	Air Suspension Relay Control
14	YE	V-ONE	Air Suspension Inlet Valve-LR Control
15	YE	ERH-LED	Ride Height Active Indicator Control
16	YE	INF-LED	Inflator Switch Indicator Control
17	YE	INF-SW	Inflator Switch Signal
18	YE	COONE	Overtemperature Signal
19	YE	PT-GND	Low Reference
20	YE	INF-GND	Inflator Switch Low Reference
21	YE	IGN	Ignition 3 Voltage
22	YE	DA	Dummy Wire
23	YE	S-ONE	Low Reference
24	YE	S-TWO	Low Reference