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What does PJB stand for? - 2002 Ford Explorer

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Relay for wipers mazda 3 2004 location

There is a relay for the rear wipers not the front , the front has some kind of module located in something call PJB - probably -power junction box or block .

Jan 31, 2015 | Mazda Cars & Trucks

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2000 Celica GT AC and dashboard lights & gauges out suddenly (Together)

Here's how it should work: Power for the instrument panel comes from the 7.5A ECU-B fuse in the instrument panel junction box (I/PJB). A WHT/BLK wire from the instrument panel is grounded in that box. The I/PJB also contains a 5A WARNING fuse which is connected to the instrument panel by a RED/YEL wire. The 5A BKUP LAMP fuse supplies power on a RED/BLU wire to the vehicle speed sensor (combination meter) and a LT GRN wire from sensor is connected to the instrument panel. In addition, a LT GRN/RED wire from the instrument panel connects to the ECM. The YEL/GRN and RED/BLU wires from the instrument panel connect to the body ECU. There are three ground wires: two WHT/BLK and one BRN

Sep 20, 2012 | 2000 Toyota Celica

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Intermittent dash light

PCM failures are actually VERY RARE on MOST vehicles. (Although you would not guess that by the number of PCM's that are sold and replaced every year). Too many people jump to conclusions and blame anything they cannot explain on "Bad PCM". Just read ANY online auto repair blog and you will find THOUSANDS of posts where the poster has already replaced the PCM, but the problem still exists.....

PCM replacement should only occur after ALL OTHER POSSIBILITIES have been THOROUGHLY checked with the correct equipment and the proper methods of testing.

OK, that's my "preaching" for the day......

I think it prudent to inform you that your DASH ILLUMINATION and PARK/MARKER lamps are not controlled by the PCM on your vehicle. So, I believe that would eliminate that possibility all-together. (Deep breath....sigh of relief ---- ; )

Those circuits DO go through the Passenger Junction Box (PJB) though.
Mazda has published a Technical Service Bulletin (TSB) for your car which addresses MANY intermittent electrical failures as a result of faulty/loose electrical connections at the PJB. I think that would be the first place I would look for the solution.


May 15, 2012 | 2004 Mazda 3

2 Answers

What does the pjb#1 fuse control

1/2 the fuse box is controlled by that. Ignition system mostly.

Jun 26, 2011 | 2004 Ford Explorer

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I need a diagram of the underhood fuse block for my 2002 ford explorer. I don't have an owners manual.

Fuse/Relay Location*Fuse Amp Rating* Description
1 60A** PJB 2 30A** BSM 3 20A** Not used (Spare)
4 30A** Rear defrost 5 40A** ABS (pump)
6 60A** Delayed accessory circuit breaker
7 20A** Power point #2 8 — Not used 9 20A** Power point #1
10 30A** ABS module (valves) 11 40A** PTEC
12 50A** Ignition relay/Starter relay
13 40A** Trailer tow battery, Trailer tow turn signals
14 10A* Foglamps 15 15A* Memory (KAPWR)
16 15A* Headlamp switch 17 20A* 4x4 (v-batt 2)
18 20A* 4x4 (v-batt 1) 19 20A** High beam relay
20 30A** Electric brake 21 30A** Front wiper motor
22 20A** Autolamp; Low beam 23 30A** Ignition switch
24 20A* Rear Fog Lamps 25 – Not used
26 15A* Fuel pump 27 20A* Trailer tow lamps
28 20A* Horn relay 29 60A** PJB 30 20A** Rear wiper motor
31 — Not used 32 — Not used 33 30A** Auxiliary blower motor 34 30A** Power seats, Adjustable pedals
35 20A** Rear power point 36 40A** Blower motor
37 15A* A/C clutch relay/Transmission

Nov 15, 2009 | 2002 Ford Explorer

1 Answer

Whats wrong with my car remotes? 2003 mazda 6

sounds like keyless entry module failure or PJB box failure wiring check required

Oct 20, 2009 | 2003 Mazda Mazda6

1 Answer

Turn signals comming on but not blinking

PJB box under glove box they fail and cause electrical problems u describe have scanned for codes at dealer possiable covered by warranty if is PJB box can cost a alot out of pocket

Oct 19, 2009 | 2007 Mazda MAZDA6

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