Battery Junction Box
NOTE:
Battery junction box is located on the left side of engine compartment, near brake master cylinder. See Fig 1 and Fig 2
.
BATTERY JUNCTION BOX RELAY IDENTIFICATION
| RELAY NUMBER | RELAY DESCRIPTION |
|---|---|
| R1.50 | Fog lamp relay |
| R1.51 | Daytime Running Lamps (DRL) relay |
| R1.55 | Blower motor relay |
| R1.58 | Ignition Relay |
| R1.59 | Brake applied relay |
| R1.56 | Starter motor relay |
| R1.57 | Powertrain Control Module (PCM) relay |
| R1.53 | Trailer tow relay, right turn |
| R1.54 | Trailer tow relay, left turn |
| R1.52 | A/C clutch relay |
| R1.49 | High beam relay |
| R1.48 | Fuel pump relay |
| R1.47 | Horn Relay |
BATTERY JUNCTION BOX FUSE IDENTIFICATION LEGEND
| Fuse | Amps | Circuits protected |
|---|---|---|
| F1.1 | 60 | Central Junction Box (CJB), F2.1, F2.2, F2.3, F2.5 |
| F1.2 | 30 | Central Security Module (CSM), door locks |
| F1.3 | - | not used |
| F1.4 | 40 | Rear window defrost relay, Rear window defrost grid (left) |
| F1.5 | 40 | ABS control module (pump) |
| F1.6 | 60 | Accessory delay |
| F1.7 | 20 | Daytime Running Lamps (DRL) module |
| F1.8 | 20 | Engine cooling fan relay, Engine cooling fan motor |
| F1.9 | 20 | Main light switch, Central Security Module (CSM) |
| F1.10 | 30 | ABS control module (valves) |
| F1.11 | 40 | PCM relay contacts, F1.37, F1.38, F1.39, F1.40 |
| F1.12 | 50 | Starter relay, Starter motor, Ignition relay contacts, F2.8, F2.9, F2.10, F2.11, F2.12, F2.13, F2.14 |
| F1.13 | 40 | Trailer tow relay contacts, left & right turn |
| F1.14 | 15 | With IVD: Driver brake applied relay coil, Driver brake applied relay contacts, ABS control module, Brake Pedal Position (BPP) switch contacts, Redundant pedal switch, Speed control actuator, PCM, Multi-function switch, Park/stop/turn lamps, High mounted stop lamp Less IVD: Brake Pedal Position (BPP) switch, Multi-function switch, Park/stop/turn lamps, High mounted stop lamp |
| F1.15 | 10 | Powertrain Control Module (PCM), Instrument cluster, Dual Automatic Temperature Control (DATC) module |
| F1.16 | 20 | Power point (right rear) |
| F1.17 | 20 | Rear wiper motor assembly |
| F1.18 | 20 | Four-wheel drive control module |
| F1.19 | 30 | Power window motor (left front) |
| F1.20 | 30 | Trailer electronic brake control module |
| F1.21 | 30 | Drivers memory seat module |
| F1.22 | 20 | Multi-func sw, Mn It sw, CSM, Hi beam rly coil & cont, F1.44, F1.46 |
| F1.23 | 30 | Ignition switch, Ignition switch relay, F1.41, F2.4, F2.15, F2.21, F2.22, F2.25, F2.26, F2.27, F2.29, F2.30 |
| F1.24 | 20 | Horn relay contacts & coil, Horn (low & high pitch), Steering wheel horn switch contacts, PCM, CSM, Low tire pressure module |
| F1.25 | 20 | Power point console |
| F1.26 | 20 | Fuel pump relay contacts, IFS switch, Fuel pump driver module |
| F1.27 | 20 | Trailer tow lamps relay contacts, Auxiliary Junction Box (AJB) |
| F1.28 | 20 | Power point console, 2 |
| F1.29 | 60 | Central Junction Box (CJB), F2.16, F2.17, F2.20, F2.23, F2.24 |
| F1.30 | 30 | Windshield wiper motor, Windshield washer pump motor |
| F1.31 | 30 | Climate controlled seat modules |
| F1.32 | 30 | Pwr seat sw (rt), Pwr seat mtr asy, Pwr seat lumbar compressor mtr |
| F1.33 | 30 | Aux A/C relay contacts, Aux blower motor, Frt & rr aux dim sw, Aux blower motor resistor asy |
| F1.34 | 20 | HID headlamp relay (right) contacts, HID low beam lamp (right frt) |
| F1.35 | 20 | HID headlamp relay (left) contacts, HID low beam lamp (left frt) |
| F1.36 | 40 | Blwr mtr rly cont, Frt blwr mtr, Frt blwr mtr speed controller |
| F1.37 | 15 | TXV cont, Trans hardware unit, A/C clutch rly, Spd control actuator |
| F1.38 | 15 | Evap emission canister vent valve, Vapor management valve, IMCC-LSRC module, Positive crankcase ventilation heater, EGR system module, Heated oxygen sensor (HO2S) #11, #12, #21, #22, PCM |
| F1.39 | 15 | Injectors 1, 2, 3, 4, 5, 6, 7, 8, Idle Air Control (IAC) valve |
| F1.40 | 15 | Powertrain Control Module (PCM), Mass Air Flow (MAF) sensor, Fuel pump relay |
| F1.41 | 25 | PCM diode, PCM rly, Ign transformer cpctr 1, Ign transformer cpctr 2, Coil-on Plug (COP) 1, 2, 3, 4, 5, 6, 7, 8 |
| F1.42 | 10 | Halogen low beam lamp (right front) |
| F1.43 | 10 | Halogen low beam lamp (left front) |
| F1.44 | 15 | Fog lamp relay contacts, Fog lamps (left & right front) |
| F1.45 | 2 | Brake pressure switch, ABS control module |
| F1.46 | 20 | High beam lamp, (left & right front) |
| CB1.62 | 30 | Accessory delay relay contact |