| 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
Terminal Part Information
|
Pin | Wire | Circuit | Function |
|---|---|---|---|
1-5 | -- | -- | Not Used |
6 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus+ |
7-8 | -- | -- | Not Used |
9 | 0.8 BK/WH | 451 | Ground |
10 | 0.5 RD/WH | 1840 | Battery Positive Voltage |
11 | 0.5 OG/BK | 1228 | PC Solenoid Valve High Control |
12-13 | -- | -- | Not Used |
14 | 0.35 GY | 773 | Transmission Range Switch Signal C |
15-16 | -- | -- | Not Used |
17 | 0.35 PK | 1224 | Transmission Fluid Pressure Switch Signal A |
18-19 | -- | -- | Not Used |
20 | 0.5 L-BU | 1984 | Transmission Turbine Speed Switch Low Reference |
21-22 | -- | -- | Not Used |
23 | 0.8 YE | 2522 | PTO Engage Signal (PTO) |
24 | -- | -- | Not Used |
25 | 0.5 OG/BK | 6399 | Replicated TOS Signal |
26 | -- | -- | Not Used |
27 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus- |
28-32 | -- | -- | Not Used |
33 | 0.5 YE/BK | 1223 | Shift Solenoid 2 Valve Control |
34 | 0.35 WH | 776 | Transmission Range Switch Signal P |
35 | -- | -- | Not Used |
36 | 0.5 BN/WH | 2469 | PC Solenoid Valve Low Control |
37-38 | -- | -- | Not Used |
39 | 0.5 D-BU/WH | 1231 | AT ISS Low Signal |
40 | 0.5 L-GN/BK | 822 | VSS Low Signal |
41-42 | -- | -- | Not Used |
43 | 0.35 D-BU | 5985 | Accessory Wakeup Serial Data |
44-46 | -- | -- | Not Used |
47 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus- |
48-50 | -- | -- | Not Used |
51 | 0.5 OG/WH | 2527 | Shift Solenoid C Valve Control |
52 | 0.5 L-GN | 1222 | Shift Solenoid 1 Valve Control |
53 | 0.35 YE | 772 | Transmission Range Switch Signal B |
54 | 0.35 YE/BK | 1227 | TFT Sensor Signal |
55 | 0.5 L-BU/WH | 1229 | PC Solenoid Valve Low Control |
56 | -- | -- | Not Used |
57 | 0.35 OG | 1226 | Transmission Fluid Pressure Switch Signal C |
58 | 0.35 TN | 2762 | Low Reference |
59 | 0.5 OG/BK | 1230 | AT ISS High Signal |
60 | 0.5 PU/WH | 821 | VSS High Signal |
61-62 | -- | -- | Not Used |
63 | 0.5 PK | 2139 | Ignition 1 Voltage |
64-65 | -- | -- | Not Used |
66 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus+ |
67-68 | -- | -- | Not Used |
69 | 0.8 BK/WH | 451 | Ground |
70 | 0.5 RD/WH | 1840 | Battery Positive Voltage |
71 | 0.5 BN | 323 | Actuator Supply Voltage |
72 | -- | -- | Not Used |
73 | 0.35 TN/WH | 771 | Transmission Range Switch Signal A |
74 | 0.5 D-BU | 1530 | Transmission Mainline Pressure Solenoid Control |
75-76 | -- | -- | Not Used |
77 | 0.35 L-GN/BK | 2529 | Fluid Pressure Switch Signal 4 |
78 | 0.5 BN | 418 | TCC PWM Solenoid Valve Control |
79 | 0.35 D-BU | 1225 | Transmission Fluid Pressure Switch Signal B |
80 | 0.5 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 |
