Instrument Panel Junction Block
NOTE:
Instrument panel junction block is located under passenger's side of instrument panel. See Fig 1.
Instrument Panel Junction Block Components
| Fuse/Circuit Breaker | Rating | Description |
|---|---|---|
| DR LKS Fuse 1 | 20 A | Body Control Module (MALL), LH Front Door Lock Isolation Relay(with AU0) |
| RAC/TRUNK REL Fuse 2 | 15 A | Luggage Compartment Lid Release Relay, Power Antenna Relay, Remote Function Actuator (RFA) Module, RAP Relay |
| HORN Fuse 3 | 15 A | Horn Relay |
| MISC ENG(OBD II) Fuse 5 | 10 A | Evaporative Emissions (EVAP) Canister Purge Valve, Evaporative (EVAP) Canister Vent Valve, Heated Oxygen Sensors |
| FUEL PUMP Fuse 6 | 20 A | Fuel Pump Relay, Ignition Control Module |
| INJECTOR Fuse 7 | 10 A | Fuel Injectors |
| PCM Fuse 8 | 10 A | Instrument Cluster, Mass Air Flow (MAF) Sensor, PCM, Transmission Position Decoder Module(Pontiac/Oldsmobile with D55) |
| A/C FEEDBACK Fuse 11 | 10 A | Heater and A/C Programmer |
| FOG LPS Relay A (Pontiac/Oldsmobile) | -- | Fog Lamps |
| PERIM LPS Relay A (Buick) | -- | Backup Lamps, Cornering Lamps |
| DRIVER DR UNLOCK Relay B | -- | Door Lock Actuators, Fuel Door Lock Solenoid(Pontiac with AU0) |
| TRUNK REL Relay D | -- | Rear Compartment Lid Release Actuator |
| ELC Relay E | -- | Automatic Level Control Compressor |
| RAP ACCY Relay F | -- | RADIO Fuse |
| RR DEFOG Relay G | -- | Radio Antenna Module (Buick), Rear Window Defogger (Oldsmobile/Pontiac) |
| PWR WDO/SUNROOF Relay H | -- | Power Windows, Power Sunroof |
| HDLPS Relay J | -- | Lamp Control Module (LCM) |
| PARK LPS Relay K | -- | Exterior Lamps |
| FUEL PUMP Relay N | -- | Fuel Tank Unit |
| Relay P | -- | Not Used |