| Connector 1: | ECM X1 |
| Connector 2: | ECM X2 |
ECM X1
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | BK | -- | Ground |
2 | BK | -- | Ground |
3 | -- | -- | Not Used |
4 | PK/BK | -- | Engine Main Relay Fused Control (1) |
5-12 | -- | -- | Not Used |
13 | OG/BK | -- | Trans Park/Neutral Signal (1) |
14-15 | -- | -- | Not Used |
16 | D-BI | -- | APM Signal (1) |
17 | -- | -- | Stop Lamp Supply Voltage |
18 | RD/WH | -- | Battery Positive Voltage |
19 | BN | -- | APM 5-Volt Reference (2) |
20 | GY | -- | F/Pump Pressure Sensor 5-Volt Reference |
21 | WH/BK | -- | APM 5-Volt Reference (1) |
22 | -- | -- | Not Used |
23 | D-GN/WH | -- | A/C Comp Clutch Supply Voltage |
24 | D-BU | -- | High Speed Cooling Fan Relay Control |
25-29 | -- | -- | Not Used |
30 | BN/BK | -- | High Speed GMLAN Serial Data (+) 1 |
31 | -- | -- | Not Used |
32 | BN | -- | Charge Indicator Control |
33 | D-BU | -- | Backup Lamp Relay Control |
34 | -- | -- | Not Used |
35 | L-BU | -- | Secondary Fuel Level Sensor Signal |
36 | D-BU | -- | Primary Fuel Level Sensor Signal |
37 | -- | -- | Not Used |
38 | PU | -- | Engine/Radio Serial Data K-Line |
39 | PK | -- | Run/Crank Ignition 1 Voltage |
40 | BN | -- | Engine Main Relay Coil Control |
41-42 | -- | -- | Not Used |
43 | D-GN | -- | Low Speed Cooling Fan Relay Control |
44-48 | -- | -- | Not Used |
49 | BN | -- | High Speed GMLAN Serial Data (1) 1 |
50 | -- | -- | Not Usd |
51 | D-GN/WH | -- | Fuel Pump Primary Relay Control |
52-53 | -- | -- | Not Used |
54 | L-BU | -- | APM Signal (2) |
55 | OG/BK | -- | A/C Refrigerant Press Sensor Signal |
56-62 | -- | -- | Not Used |
63 | WH | -- | EVAP Canister Vent Solenoid Control |
64-66 | -- | -- | Not Used |
67 | BK | -- | Ground |
68 | BK | -- | Ground |
69 | -- | -- | Not Used |
70 | GY | -- | Generator Field Duty Cyclinder Signal |
71 | -- | -- | Not Used |
72 | BN/WH | -- | Cruise Control Clutch Pedal Pstn S/W Signal |
73 | D-BU | -- | Accessory Wakeup Serial Data |
74 | D-GN | -- | F/Pump Pressure Sensor Signal |
75 | -- | -- | Not Used |
76 | BN/WH | -- | Fuel Level Sensor Low Reference |
77 | BK/WH | -- | Signal Ground |
78 | PU | -- | APM Low Reference (2) |
79 | BN | -- | APM Low Reference (1) |
80 | -- | -- | Not Used |
81 | YE | -- | Starter Relay Coil Control |
ECM X2
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
82 | -- | -- | Not Used |
83 | L-GN/BK | -- | Fuel Injector Control (2) |
84 | BN/WH | -- | Heated O2 Sensor Low Signal Bank 1 Sensor (1) |
85 | BK | -- | Ground |
86 | OG/BK | -- | Manifold Absolute Pressure Low Reference |
87 | BN | -- | Sensor Low Reference |
88 | BK/WH | -- | Camshaft Position Sensor Low Reference |
89 | BN | -- | Sensor Low Reference |
90 | -- | -- | Not Used |
91 | L-BU | -- | Fuel Injector Control (4) |
92 | L-BU | -- | Heated O2 Sensor Control Sensor 2 |
93 | GY | -- | 5-Volt Reference |
94 | GY | -- | 5-Volt Reference |
95 | D-BU/WH | -- | Crankshaft POS Sensor Signal (3) |
96 | YE/BK | -- | Crankshaft POS Sensor Low Reference (3) |
97 | D-BU | -- | Knock Sensor Signal (1) |
98 | -- | -- | Not Used |
99 | BN/WH | -- | Fuel Injector Control (3) |
100 | L-GN | -- | Manifold Absolute Pressure Sensor Signal |
101 | D-GN/WH | -- | Oil Temperature Sensor Signal |
102 | PU/WH | -- | Heated O2 Sensor High Signal Bank 1 Sensor (2) |
103 | PU/WH | -- | Heated O2 Sensor High Signal Bank 1 Sensor (1) |
104 | D-GN | -- | High Idle Switch Control |
105 | BN | -- | Oil Pressure Gage Signal |
106 | D-GN/WH | -- | EVAP Canister Purge Solenoid Control |
107 | BN | -- | Fuel Injector Control (1) |
108 | BN | -- | Intake Air Temperature Sensor Signal |
109 | YE | -- | Engine Coolant Temperature Sensor Signal |
110 | GY | -- | Exhaust Gas Recir Vacuum Regulator Valve Signal |
111 | BN | -- | Oil Level Switch Signal |
112 | D-BU | -- | Throttle POS Sensor Signal (5) |
113 | BN/WH | -- | Camshaft Position Sensor Signal |
114 | D-BU | -- | Idle Speed Control Motor Control Retract |
115 | -- | -- | Not Used |
116 | L-BU | -- | Ignition Coil 1 and 4 Control |
117 | D-GN | -- | Heated O2 Sensor Control Sensor 1 |
118 | GY | -- | Exhaust Gas Recirculation Solenoid Control |
119 | L-BU | -- | Idle Speed Control Motor Control Extend |
120 | -- | -- | Not Used |
121 | D-GN/WH | -- | Ignition Coil 2 and 3 Control |
