| Connector 1: | Engine Control Module (ECM) X1 (LLW) |
| Connector 2: | Engine Control Module (ECM) X2 (LLW) |
Engine Control Module (ECM) X1 (LLW)
Connector Part Information
|
Pin | Wire | Circuit | Function |
|---|---|---|---|
1 | 0.35 PK/BK | 5291 | Main Relay Fused Coil Control (2) |
2 | 0.35 BK | 250 | Ground |
3 | 0.35 PK/BK | 5290 | Main Relay Fused Coil Control (1) |
4 | 0.35 BK | 250 | Ground |
5 | 0.35 PK/BK | 5290 | Main Relay Fused Coil Control (1) |
6 | 0.35 BK | 250 | Ground |
7 | -- | -- | Not Used |
8 | 0.35 PU | 1272 | APM Low Reference (2) |
9 | 0.35 D-BU | 1161 | APM Signal (1) |
10 | 0.35 BK/WH | 3210 | Heated O2 Sensor High Signal Bank 1 Sensor (2) |
11 | 0.35 D-GN | 3211 | Heated O2 Sensor Low Signal Bank 1 Sensor (2) |
12 | 0.35 BK/WH | 275 | Signal Ground |
13 | 0.35 OG/BK | 380 | TCC On/Off Solenoid A Contact |
14 | 0.35 BN/WH | 6281 | Fuel Level Sensor Low Reference |
15 | 0.35 D-BU | 1936 | Primary Fuel Level Sensor |
16 | -- | -- | Not Used |
17 | 0.35 L-BU | 20 | Stop Lamp Supply Voltage |
18 | 0.35 GY | 3141 | CTS Ground |
19 | 0.35 BN | 25 | Change Indicator Control |
20 | 0.35 D-GN/WH | 465 | Fuel Pump Primary Relay Control |
21 | -- | -- | Not Used |
22 | 0.35 GY | 2700 | ACP 5-Volt Reference |
23-24 | -- | -- | Not Used |
25 | 0.35 PU | 1319 | Engine/Radio Serial Data K-Line |
26-27 | -- | -- | Not Used |
28 | 0.35 PK | 539 | Run/Crank Ignition 1 Voltage |
29 | 0.35 D-GN/WH | 459 | A/C Compressor Clutch Relay Control |
30 | 0.35 BN | 1271 | APM Low Reference (1) |
31 | 0.35 L-BU | 1162 | APM Signal (2) |
32 | 0.35 D-GN/BK | 3032 | Temperature Sensor 2 |
33 | 0.35 BK | 3033 | Temperature Sensor 2 |
34 | 0.35 D-GN | 3034 | Temperature Sensor 1 |
35 | 0.35 BK/WH | 3035 | Temperature Sensor 1 |
36 | -- | -- | Not Used |
37 | 0.35 BK/WH | 3037 | CTS Signal |
38-39 | -- | -- | Not Used |
40 | 0.35 D-BU | 38 | Backup Lamp Relay Control |
41-42 | -- | -- | Not Used |
43 | 0.35 D-BU | 5985 | ACC Wakeup Serial Data |
44 | 0.35 PU | 3044 | CTS Signal |
45 | 0.35 WH/BK | 1164 | APM 5-Volt Reference (1) |
46 | 0.35 BN | 1274 | APN 5-Volt Reference (2) |
47-51 | -- | -- | Not Used |
52 | 0.35 WH | 3052 | GPCU 01 |
53-54 | -- | -- | Not Used |
55 | 0.35 YE | 447 | Starter Relay Coil Control |
56 | -- | -- | Not Used |
57 | 0.35 WH/BK | 910 | PTC Request Signal |
58 | 0.35 WH | 3058 | WIT Sensor |
59-63 | -- | -- | Not Used |
64 | 0.35 D-GN | 3064 | CTS Signal |
65 | -- | -- | Not Used |
66 | 0.35 YE | 3158 | CTS Signal |
67 | -- | -- | Not Used |
68 | 0.35 D-GN | 1488 | Noise Reduction Microphone (+) |
69 | 0.345 D-GN | 335 | Low Speed Cool Fan Relay Control |
70-71 | -- | -- | Not Used |
72 | 0.35 BN | 5069 | Engine Main Relay Coil Control |
73-74 | -- | -- | Not Used |
75 | 0.35 GY | 23 | Generator Field Duty Cycle Signal |
76-79 | -- | -- | Not Used |
80 | 0.35 BN/WH | 379 | Cruise Control Clutch Switch Signal |
81 | 0.35 OG/BK | 1786 | Trans P/N Signal (1) |
82 | -- | -- | Not Used |
83 | 0.35 TN | 2501 | Low Speed GMLAN Serial Data (-) |
84 | 0.35 TN/BK | 2500 | High Speed GMLAN Serial Data (+) |
85-89 | -- | -- | Not Used |
90 | 0.35 D-BU | 473 | High Speed Cool Fan Relay Control |
91 | 0.35 L-GN/WH | 6549 | Auxiliary GAS/PTC Relay Coil Control |
92 | -- | -- | Not Used |
93 | 0.35 WH/RD | 3093 | GPCU ST |
94 | 0.35 YE | 2197 | PTC Heater Relay Coil Supply Volt |
Engine Control Module (ECM) X2 (LLW)
Connector Part Information
|
Pin | Wire | Circuit | Function |
|---|---|---|---|
1 | 0.35 YE/BK | 3101 | High |
2 | 0.35 YE/D-BU | 3102 | High |
3 | -- | -- | Not Used |
4 | 0.35 D-BU/WH | 3104 | Ground |
5-6 | -- | -- | Not Used |
7 | 0.35 BK/WH | 3107 | Input |
8 | 0.35 WH | 3108 | Ground |
9-11 | -- | -- | Not Used |
12 | 0.35 GY | 3112 | Heated O2 Sensor Heated High Contact Bank 1 Sensor (1) |
13 | 0.35 GY/WH | 3113 | Heated O2 Sensor Heated Low Contact Bank 1 Sensor (1) |
14 | -- | -- | Not Used |
15 | 0.35 YE | 3115 | Signal |
16 | 0.35 D-GN | 3116 | High |
17 | 0.35 YE | 3117 | High |
18 | -- | -- | Not Used |
19 | 0.35 RD/BK | 3119 | Low |
20 | 0.35 RD | 3120 | Heated O2 Sensor High Signal Bank 1 Sensor (2) |
21 | 0.35 L-GN | 1174 | Oil Level Switch Signal |
22 | -- | -- | Not Used |
23 | 0.35 BN/WH | 3123 | Heated O2 Sensor Heater High Control Bank 1 Sensor (2) |
24-26 | -- | -- | Not Used |
27 | 0.35 D-GN | 3127 | Input |
28 | 0.35 YE | 3128 | Supply |
29-30 | -- | -- | Not Used |
31 | 0.35 D-BU | 3131 | Low |
32 | -- | -- | Not Used |
33 | 0.35 GY | 3133 | Heated O2 Sensor Heater High Control Bank 1 Sensor (3) |
34 | 0.35 BN | 3134 | Supply |
35 | 0.35 BN | 445 | Oil Pressure Gage Signal |
36 | -- | -- | Not Used |
37 | 0.35 D-GN | 3137 | Signal |
38-39 | -- | -- | Not Used |
40 | 0.35 WH | 3140 | Battery Positive Voltage |
41 | 0.35 D-BU/WH | 6282 | Fuel Level Sensor #2 Low Reference |
42 | 0.35 YE | 3142 | Signal |
43 | 0.35 D-BU | 3143 | Signal |
44 | 0.35 D-GN | 3144 | Ground |
45 | -- | -- | Not Used |
46 | 0.35 D-GN/BK | 3146 | Low |
47 | 0.35 WH | 3147 | Low |
48 | -- | -- | Not Used |
49 | 0.35 BK | 3149 | Ground |
50 | 0.35 WH/BK | 3150 | Signal |
51 | -- | -- | Not Used |
52 | 0.35 WH | 3152 | TPA |
53 | 0.35 YE | 3153 | Signal |
54-57 | -- | -- | Not Used |
58 | 0.35 L-BU | 1937 | Secondary Fuel Level Sensor Signal |
59 | 0.35 D-GN | 3159 | TPA |
60 | 0.35 PK | 3160 | EGR |
