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Battery Junction Box (BJB)

NOTE: Battery junction box is located in left rear of engine compartment. See Fig 1.
Fig 1: Battery Junction Box (BJB), Fuses And Relays
G00418103Courtesy of FORD MOTOR CO.
BATTERY JUNCTION BOX (BJB) RELAY IDENTIFICATION

RELAY NUMBER RELAY DESCRIPTION
RELAY 007 A/C clutch relay
RELAY 006 Fog lamp relay
RELAY 005 M/E coolant pump relay
RELAY 004 Heater pump relay
RELAY 003 Injector Relay
RELAY 002 PCM power relay
RELAY 001 Power sustain relay
BATTERY JUNCTION BOX FUSE IDENTIFICATION LEGEND

Fuse/Relay Location Fuse Amp Rating Battery Junction Box Description
1 5A(1) ABS test connector, ABS control module (2C219)
2 10A(1) Heater pump relay, M/E coolant pump relay
3 5A(1) Transaxle control module
4 7.5A(1) Traction battery control module, Powertrain Control Module (PCM) (12A650)
5 5A(1) Traction battery control module
6 15A(1) Heater pump relay, M/E coolant pump relay, A/C clutch relay, Mass Air Flow/Intake Air Temperature (MAF/IAT) sensor, A/C clutch cycling pressure switch (19D594), Passenger A/C zone valve, EVAP canister vent control solenoid, Fuel tank isolation valve, Swirl control solenoid valve, EGR stepper motor, Active mount control solenoid, Vapor management valve, Powertrain Control Module (PCM) (12A650)
7 15A(1) Heated oxygen sensors (HO2S) #11, #12, #13
8 10A(1) Transaxle control module, Fan control relay 1, Fan control relay 2, Fan control relay 3
9 20A(1) Inertia Fuel Shutoff (1FS) switch (9341)
10 30A(1) Battery Junction Box (BJB) - Fuse 1, 2, 3, 4
11 20A(1) Fog lamp relay
12 25A(1) Smart Junction Box (SJB)
13 25A(1) Smart Junction Box (SJB)
14 30A(1) DC/AC inverter module
15 20A(1) Run/start relay, Smart Junction Box (SJB) - Fuse 4
16 15A(1) A/C clutch relay
17 20A(1) Power point (19N236)
18 30A(1) Injector relay
19 40A(1) Blower motor relay
20 40A(2) Cooling fan relay 1
21 40A(2) PCM power relay, Power sustain relay
22 40A(2) Accessory delay relay, Smart Junction Box (SJB) - Fuse 16, 17, 18
23 40A(2) Smart Junction Box (SJB) - Fuse 6, 7, 9
24 50A(2) ABS test connector, ABS control module (2C219)
25 50A(2) Power Steering Control Module (PSCM)
26 50A(2) Traction battery control module
27 40A(2) Fan control relay 1
28 30A(2) Rear defrost relay, Park lamp relay
29 - not used
30 40A(2) Run/Accessory relay
31 50A(2) ABS test connector, ABS control module (2C219)
32 50A(2) Power Steering Control Module (PSCM)
Relay 001 - Power sustain relay
Relay 002 - PCM power relay
Relay 003 - Injector relay
Relay 004 - Heater pump relay
Relay 005 - M/E coolant pump relay
Relay 006 - Fog lamp relay
Relay 007 - A/C clutch relay
Diode 01 - A/C Compressor clutch diode
Diode 02 - not used
(1)
Mini fuse
(2)
Cartridge fuse
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