Computer/Integrating Systems Connector End Views
WARNING: This page is about a different car, the 2005 Saturn Ion Red Line, 2005 Saturn Ion 3, 2005 Saturn Ion 2, and 2005 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | - | - | Not Used |
| 2 | OG | 840 | Battery Positive Voltage |
| 3 | YE | 243 | Accessory Voltage |
| 4 | YE | 443 | Accessory Voltage |
| 5 | D-BU | 1307 | Power Window Master Switch Lockout Control (Sedan) |
| 6 | D-BU | 1307 | Power Window Master Switch Lockout Control (Sedan w/A31) |
| 7 | D-BU | 1307 | Power Window Master Switch Lockout Control (Sedan w/A31) |
| 8-16 | - | - | Not Used |
| 17 | OG | 1140 | Battery Positive Voltage |
| 18 | GY | 120 | Fuel Pump Supply Voltage |
| 19 | D-GN/WH | 465 | Fuel Pump Relay Control |
| 20 | OG | 1140 | Battery Positive Voltage |
| 21 | RD | 142 | Battery Positive Voltage |
| 22 | RD | 442 | Battery Positive Voltage |
| 23 | BN | 441 | Ignition 3 Voltage (A31) |
| 24 | - | - | Not Used |
| 25 | PK | 1200 | Headlamp High Beam Signal |
| 26 | L-BU | 20 | Stop Lamp Switch Signal |
| 27 | L-BU | 20 | Stop Lamp Switch Signal |
| 28 | L-BU | 20 | Stop Lamp Switch Signal |
| 29 | L-BU | 20 | Stop Lamp Switch Signal |
| 30 | L-BU | 20 | Stop Lamp Switch Signal |
| 31 | - | - | Not Used |
| 32 | PK | 3 | Ignition 1 Voltage |
| 33 | - | - | Not Used |
| 34 | RD | 342 | Battery Positive Voltage |
| 35-36 | - | - | Not Used |
| 37 | RD | 242 | Battery Positive Voltage |
Body Control Module (BCM) C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | - | - | Not Used |
| 2 | OG | 40 | Battery Positive Voltage |
| 3 | OG | 240 | Battery Positive Voltage |
| 4 | - | - | Not Used |
| 5 | BN | 9 | Park Lamp Supply Voltage (T82) |
| 6 | OG | 840 | Battery Positive Voltage |
| 7 | PK | 1200 | Headlamp High Beam Signal |
| 8 | L-BU | 20 | Stop Lamp Switch Signal |
| 9 | PK | 339 | Ignition 1 Voltage (2.0L) |
| 10 | PK | 339 | Ignition 1 Voltage (2.2L w/M/T) |
| 11 | PK | 339 | Ignition 1 Voltage |
| 12 | - | - | Not Used |
| 13 | OG | 52 | Blower Motor Supply Voltage |
| 14 | BN | 41 | Ignition 3 Voltage |
| 15 | BN | 141 | Ignition 3 Voltage |
| 16 | - | - | Not Used |
| 17 | OG | 1040 | Battery Positive Voltage |
| 18 | OG | 1440 | Battery Positive Voltage |
| 19-20 | - | - | Not Used |
| 21 | OG | 40 | Battery Positive Voltage |
| 22 | YE | 143 | Accessory Voltage |
| 23 | YE | 143 | Accessory Voltage (A/T) |
| 24-27 | - | - | Not Used |
| 28 | PK | 339 | Ignition 1 Voltage (2.2L w/M/T) |
| 29 | YE | 343 | Accessory Voltage |
| 30 | - | - | Not Used |
| 31 | OG | 52 | Blower Motor Supply Voltage |
| 32 | OG | 52 | Blower Motor Supply Voltage |
| 33 | YE | 1139 | Ignition 1 Voltage |
| 34 | - | - | Not Used |
| 35 | PK | 1539 | Ignition 1 Voltage |
| 36 | - | - | Not Used |
| 37 | OG | 1140 | Battery Positive Voltage |
| 38 | OG | 140 | Battery Positive Voltage |
Body Control Module (BCM) C3
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK/WH | 56 | Trunk Release Motor Supply Voltage |
| 2 | TN | 694 | Driver Door Lock Actuator Unlock Control (AU3) |
| 3 | OG | 1732 | Inadvertent Power Supply Voltage |
| 4 | D-BU | 338 | Run/Crank Voltage |
| 5 | BN | 4 | Accessory Voltage |
| 6 | BN | 9 | Park Lamp Supply Voltage |
| 7 | BN | 9 | Park Lamp Supply Voltage |
| 8 | BN | 9 | Park Lamp Supply Voltage |
| 9 | BN | 9 | Park Lamp Supply Voltage |
| 10 | RD | 228 | Windshield Washer Pump Control |
| 11 | WH | 156 | Courtesy Lamp Low Control |
| 12 | OG | 1732 | Inadvertent Power Supply Voltage (2.2L) |
| 13 | OG | 1732 | Inadvertent Power Supply Voltage (DG7) |
| 14 | - | - | Not Used |
| 15 | D-GN | 113 | Windshield Wiper Switch Signal 2 |
| 16 | - | - | Not Used |
| 17 | YE/BK | 68 | Low Coolant Level Indicator Signal |
| 18 | BK/WH | 151 | Ground (Sedan) |
| 19 | - | - | Not Used |
| 20 | BK/WH | 151 | Ground (Sedan) |
| 21 | L-BU | 395 | Passenger Door Jamb Switch Signal (Sedan) |
| 22 | L-BU | 395 | Passenger Door Jamb Switch Signal (Sedan) |
| 23 | YE | 196 | Windshield Wiper Motor Park Switch Signal |
| 24 | - | - | Not Used |
| 25 | PK | 849 | Brake Fluid Level Sensor Signal |
| 26 | PU | 1807 | BCM Class 2 Serial Data (JM4/JL9) |
| 27 | PU | 1807 | BCM Class 2 Serial Data |
| 28-32 | - | - | Not Used |
| 33 | WH | 682 | Driver Door Lock Actuator Unlock Control (AU3) |
| 34 | WH | 682 | Driver Door Lock Actuator Unlock Control (AU3) |
| 35 | D-GN | 146 | Trunk Ajar Indicator Control (AU3) |
| 36-38 | - | - | Not Used |
| 39 | WH | 193 | Rear Defog Relay Control |
| 40 | BK | 28 | Horn Relay Control |
| 41 | YE | 317 | Fog Lamp Relay Coil Supply Voltage (T37/T96) |
| 42 | - | - | Not Used |
| 43 | YE | 18 | Left Turn Signal Lamps Supply Voltage |
| 44 | L-BU | 14 | Left Turn Signal Lamp Supply Voltage |
| 45 | D-GN | 19 | Right Turn Signal Lamps Supply Voltage |
| 46 | D-BU | 15 | Right Turn Signal Lamp Supply Voltage |
| 47 | BK | 650 | Ground |
| 48 | GY | 295 | Door Lock Actuator Lock Control (Sedan w/AU3) |
| 49 | GY | 295 | Door Lock Actuator Lock Control (Sedan w/AU3) |
| 50 | GY | 295 | Door Lock Actuator Lock Control (AU3) |
| 51 | GY | 295 | Door Lock Actuator Lock Control (AU3) |
| 52 | TN | 294 | Door Lock Actuator Unlock Control (AU3) |
| 53 | TN | 294 | Door Lock Actuator Unlock Control (Sedan w/AU3) |
| 54 | - | - | Not Used |
| 55 | TN | 294 | Door Lock Actuator Unlock Control (Sedan w/AU3) |
| 56 | D-BU | 1201 | Headlamp Low Beam Signal |
Body Control Module (BCM) C4
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | RD | 228 | Windshield Washer Pump Control |
| 2 | BN | 9 | Park Lamp Supply Voltage |
| 3 | - | - | Not Used |
| 4 | BN | 9 | Park Lamp Supply Voltage |
| 5 | BN | 9 | Park Lamp Supply Voltage (T82) |
| 6 | BN | 4 | Accessory Voltage |
| 7 | D-BU | 338 | Run/Crank Voltage |
| 8 | - | - | Not Used |
| 9 | BN/WH | 230 | Instrument Panel Lamps Dimming Control |
| 10 | - | - | Not Used |
| 11 | YE | 18 | Left Turn Signal Lamps Supply Voltage |
| 12 | D-GN | 19 | Right Turn Signal Lamps Supply Voltage |
| 13 | GY | 8 | Instrument Panel Lamps Supply Voltage |
| 14 | GY | 8 | Instrument Panel Lamps Supply Voltage |
| 15 | GY | 8 | Instrument Panel Lamps Supply Voltage |
| 16 | GY | 8 | Instrument Panel Lamps Supply Voltage |
| 17 | GY | 8 | Instrument Panel Lamps Supply Voltage |
| 18 | PU | 1807 | BCM Class 2 Serial Data |
| 19 | PU | 1807 | BCM Class 2 Serial Data |
| 20 | PU | 1807 | BCM Class 2 Serial Data |
| 21 | - | - | Not Used |
| 22 | L-GN | 66 | A/C Request Signal |
| 23 | PK/WH | 1970 | Headlamp Low Beam Relay Control (T82) |
| 24-26 | - | - | Not Used |
| 27 | BK/WH | 151 | Ground |
| 28 | PU | 719 | Low Reference |
| 29 | - | - | Not Used |
| 30 | GY | 8 | Instrument Panel Lamps Supply Voltage (A/T) |
| 31 | GY | 8 | Instrument Panel Lamps Supply Voltage (T37/T96) |
| 32 | YE | 317 | Fog Lamp Relay Coil Supply Voltage (T37/T96) |
| 33 | BK | 28 | Horn Relay Control |
| 34 | BN | 323 | Shift Lock Solenoid Supply Voltage (A/T) |
| 35 | - | - | Not Used |
| 36 | WH | 193 | Rear Defog Relay Control |
| 37 | PU/WH | 549 | Headlamp Switch Headlamps Off Signal (T82) |
| 38 | - | - | Not Used |
| 39 | PU/WH | 1572 | Traction Control Indicator Control (NW7) |
| 40 | L-BU | 1508 | Turn/Hazard Switch Supply Voltage |
| 41 | GY | 112 | Windshield Wiper Switch Signal 1 |
| 42 | BN/WH | 1571 | Traction Control Switch Signal (NW7) |
| 43 | L-BU | 1134 | Park Brake Switch Signal |
| 44 | L-BU | 395 | Passenger Door Jamb Switch Signal |
| 45 | L-GN/BK | 394 | Driver Door Jamb Switch Signal |
| 46 | L-BU | 292 | Rear Defog Switch Signal |
| 47 | D-BU | 1201 | Headlamp Low Beam Signal |
| 48 | WH/BK | 1073 | 5-Volt Reference |
| 49 | GY | 728 | Security Indicator Control |
| 50 | L-GN/BK | 1137 | DRL Ambient Light Sensor Signal 5-Volt (T82) |
| 51 | - | - | Not Used |
| 52 | OG | 192 | Front Fog Lamp Switch Signal (T37/T96) |
| 53 | WH | 1390 | Off/Run/Crank Voltage |
| 54 | - | - | Not Used |
| 55 | YE/BK | 1138 | DRL Ambient Light Sensor Low Reference (T82) |
| 56 | - | - | Not Used |
Body Control Module (BCM) C5 (UE1 or U2K)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | 1340 | Battery Positive Voltage |
| B-C | - | - | Not Used |
| D | PU | 1807 | Class 2 Serial Data (UE1) |
| E-F | - | - | Not Used |
Data Link Connector (DLC)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | D-GN | 5060 | Low Speed GMLAN Serial Data |
| 2 | PU | 1807 | Class 2 Serial Data |
| 3 | - | - | Not Used |
| 4 | BK | 550 | Ground |
| 5 | BK/WH | 151 | Ground |
| 6 | TN/WH | 2500 | High Speed GM LAN Serial Data Bus+ (2.2L) |
| 7-13 | - | - | Not Used |
| 14 | TN | 2501 | High Speed GM LAN Serial Data Bus- (2.2L) |
| 15 | - | - | Not Used |
| 16 | OG | 40 | Battery Positive Voltage |