| Connector 1: | Automatic Transmission Input Speed Sensor (AT ISS) |
| Connector 2: | Automatic Transmission Turbine Speed Sensor |
| Connector 3: | Transmission Control Module (TCM) 80-Way Connector |
| Connector 4: | Vehicle Speed Sensor (VSS) |
Automatic Transmission Input Speed Sensor (AT ISS)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | RD/BK | 1230 | Automatic Transmission Input Speed Sensor (AT ISS) Signal - High |
B | D-BU/WH | 1231 | Automatic Transmission Input Speed Sensor (AT ISS) Signal - Low |
Automatic Transmission Turbine Speed Sensor
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | OG | 1983 | Transmission Turbine Speed Sensor Signal |
B | L-BU | 1984 | Transmission Turbine Speed Sensor Low Reference |
Transmission Control Module (TCM) 80-Way Connector
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | -- | -- | Not Used |
2 | PU | 420 | Torque Converter Clutch (TCC) Brake Switch/Cruise Control Release Signal |
3-4 | -- | -- | Not Used |
5 | OG/BK | 483 | Requested Torque Signal |
6 | TN/WH | 2500 | High Speed GMLAN Serial Data Bus High |
7-8 | -- | -- | Not Used |
9 | BK/WH | 451 | Ground |
10 | OG | 4440 | Battery Positive Voltage |
11 | RD/BK | 1228 | Actuator Supply Voltage 1 (HSD1) |
12-13 | -- | -- | Not Used |
14 | GY | 773 | Transmission Range Switch Signal C |
15-16 | -- | -- | Not Used |
17 | PK | 1224 | Fluid Pressure Switch Signal 1 (PS1) |
18 | YE | 400 | Vehicle Speed Sensor (VSS) Signal High |
19 | -- | -- | Not Used |
20 | L-BU | 1984 | Transmission Turbine Speed Switch Low |
21 | -- | -- | Not Used |
22 | WH | 2467 | Unmanaged Torque Signal |
23 | YE | 2522 | Power Take-Off (PTO) Engage Signal |
24-25 | -- | -- | Not Used |
26 | TN/WH | 2500 | High Speed GMLAN Serial Data Bus High |
27 | TN | 2501 | High Speed GMLAN Serial Data Bus Low |
28 | -- | -- | Not Used |
29 | D-BU | 2466 | Transmission Malfunction Indicator Lamp (MIL) Request Signal |
30-32 | -- | -- | Not Used |
33 | YE/BK | 1223 | Shift Solenoid 2 (SS2) Low |
34 | WH | 776 | Transmission Range Switch Signal P |
35 | -- | -- | Not Used |
36 | BN/WH | 2469 | Pressure Control Solenoid 2 (PCS2) Low |
37-38 | -- | -- | Not Used |
39 | D-BU/BK | 1231 | Automatic Transmission Input Speed Sensor (AT ISS) Signal Low |
40 | L-GN/BK | 822 | Vehicle Speed Sensor (VSS) Signal Low |
41 | -- | -- | Not Used |
42 | GY/BK | 1694 | Four Wheel Drive (4WD) Low Signal |
43 | PU | 806 | Crank Voltage |
44 | TN/BK | 464 | Delivered Torque Signal |
45 | -- | -- | Not Used |
46 | YE | 2470 | Class 2 Serial Data |
47 | L-BU | 6106 | High Speed GMLAN Serial Data Bus Low |
48-50 | -- | -- | Not Used |
51 | OG/WH | 2527 | Shift Solenoid 3 (SS3) Low |
52 | L-GN | 1222 | Shift Solenoid 1 (SS1) Low |
53 | YE | 772 | Transmission Range Switch Signal B |
54 | YE/BK | 1227 | Transmission Fluid Temperature (TFT) Sensor Signal |
55 | L-BU/WH | 1229 | Pressure Control Solenoid 1 (PCS1) Low |
56 | PU | 5526 | Driver Shift Request Signal |
57 | RD | 1226 | Fluid Pressure Switch Signal 3 (PS3) |
58 | BK | 2762 | Transmission Fluid Temperature (TFT) Sensor Return |
59 | RD/BK | 1280 | Automatic Transmission Input Speed Sensor (AT ISS) Signal High |
60 | PU/WH | 821 | Vehicle Speed Sensor (VSS) Signal High |
61-62 | -- | -- | Not Used |
63 | PK | 1020 | Ignition 0 Voltage |
64-65 | -- | -- | Not Used |
66 | D-BU | 6105 | High Speed GMLAN Serial Data Bus High |
67-68 | -- | -- | Not Used |
69 | BK/WH | 451 | Ground |
70 | -- | -- | Not Used |
71 | BN | 323 | Actuator Supply Voltage 2 (HSD2) |
72 | -- | -- | Not Used |
73 | BK/WH | 771 | Transmission Range Switch Signal A |
74 | D-BU | 1530 | Mod Main Pressure Control Solenoid Low |
75-76 | -- | -- | Not Used |
77 | L-GN/BK | 2529 | Fluid Pressure Switch Signal 4 (PS4) |
78 | BN | 418 | Torque Converter Clutch Pressure Control Solenoid (TCC PCS) Low |
79 | D-BU | 1225 | Fluid Pressure Switch Signal 2 (PS2) |
80 | OG | 1983 | Transmission Turbine Speed Switch Signal |
Vehicle Speed Sensor (VSS)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | PU/WH | 821 | Vehicle Speed Sensor (VSS) Signal HI |
B | L-GN/BK | 822 | Vehicle Speed Sensor (VSS) Signal Low |
