Question about 2003 Honda Pilot

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Driver side power seat. Rear lifter works, front lifter and back and forth do not. Have ruled out fuse and switch relay.

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  • mercer_mike Sep 07, 2009

    Thanks Dana. The loose harness makes the most sense though I didn't have any luck finding anything. Did the tapping. Made sure everything was clear. Still stuck at this point, though a better examination of the wiring harnesses in order.

  • mercer_mike Sep 07, 2009

    Thanks for the help. I'll keep rooting around. It has to be a connection.

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  • Honda Master
  • 1,564 Answers

Check for a renegade soda can or some other form of debris under the seat. If nothing is found take a small flashlight under with you, oh and a small box wrench, to the floor. Look to see if any of the harnesses have become disconnected, and if not, while holding the switch in the forward or rearward direction, tap on the drivemotor that lies horizontally acroos from drivers side to pass. side. lighty and maybe a little harder than that enough to impact the armature which has been sitting in the same spot too long into kicking on. Watch your fingers at all times these little motors are geared down so they are very strong, believe me I've had the pleasure!!!You might want to commision a friend to hold the switch instead of your self. Good luck, Dana

Posted on Sep 07, 2009

  • Dana Newcombe
    Dana Newcombe Sep 07, 2009

    You may have to go as far as looking under the carpet where there could be possible damage wherever there my be a resting foot unless the harness is routed through the trimplate for the rocker panel, which I think it is. However I spent two days tracing an electrical short on an old 78 Seville and found it under the passenger side rocker trim plate...whew, what a pain in the ---- that was!

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2 Answers

Trying to find which fuse is for the heated seats on a 2004 ford explorer sports trak


Heated Seats
This system allows the electrical heating of the front seats on passenger demand.
The components of the system are:
  • the seat heating elements located in the seat cushion and backrest.
  • the heated seat control switch, located on the seat side trim panel.
  • temperature sensors located in the seat cushion heating elements.
  • heated seat relay.
Do both front seat heaters not work ? Do you know how to test electrical circuits with voltmeter ?
PINPOINT TEST J: THE HEATED SEAT IS INOPERATIVE Test Step Result / Action to Take J1 CHECK HEATED SEAT SWITCH OPERATION
  • Key in ON position.
  • Press the heated seat switch on the driver and passenger seats.
  • Are both heated seat switch indicators illuminated?
Yes
If both indicators illuminate, Go To Pinpoint Test K . If only one indicator illuminates, GO to J5 .

No
GO to J2 . J2 CHECK THE HEATED SEAT RELAY CIRCUITS
  • Key in OFF position.
  • Disconnect: Heated Seat Relay C3250 (located under the driver seat).
  • Key in ON position.
  • Measure the voltage at heated seat relay C3250-86, circuit 1003 (GY/YE), harness side and ground; and between C3250-30, circuit 566 (DG), harness and ground.
    s5r~tr~en~file=a0078817.gif~gen~ref.gif
  • Are the voltages greater than 10 volts?
Yes
GO to J3 .

No
REPAIR inoperative 1003 (GY/YE) or 566 (DG) circuit. TEST the system for normal operation. J3 CHECK HEATED SEAT RELAY GROUND CIRCUIT
  • Key in OFF position.
  • Measure the resistance between heated seat relay C3250-85, circuit 57 (BK), harness side and ground.
    s5r~tr~en~file=a0078818.gif~gen~ref.gif
  • Is the resistance less than 5 ohms?
Yes
GO to J4 .

No
REPAIR circuit 57 (BK). TEST the system for normal operation. J4 CHECK THE HEATED SEAT RELAY
  • Install a fused jumper lead between heated seat relay 3250-30, circuit 566 (DG), harness side and heated seat relay C3250-87, circuit 1064 (YE/LB), harness side.
    s5r~tr~en~file=a0078819.gif~gen~ref.gif
  • Do both heated seat indicators illuminate when pressed?
Yes
INSTALL a new heated seat relay. TEST the system for normal operation.

No
REPAIR circuit 1064 (YE/LB) to switches. TEST the system for normal operation. J5 CHECK INOPERATIVE HEATED SEAT SWITCH INPUT
  • Key in OFF position.
  • Disconnect: Heated Seat Switch C320 (Driver) or C321 (Passenger) for the inoperative heated seat.
  • Key in ON position.
  • Measure the voltage between heated seat switch C320-2 (driver) or C321-2 (passenger), circuit 1064 (YE/LB), harness side and ground .
    s5r~tr~en~file=a0078820.gif~gen~ref.gif
  • Is the voltage greater than 10 volts?
Yes
GO to J6 .

No
REPAIR circuit 1064 (YE/LB). TEST system for normal operation. J6 CHECK CIRCUIT 57 (BK) FOR AN OPEN
  • Measure the resistance between heated seat switch C320-4 (driver) or C321-4 (passenger), circuit 57 (BK), harness side and ground.
    s5r~tr~en~file=a0078821.gif~gen~ref.gif
  • Is the resistance less than 5 ohms?
Yes
INSTALL a new heated seat switch. TEST the system for normal operation.

No
REPAIR circuit 57 (BK). TEST the system for normal operation It's not that simple , being a fuse . It's probably the relay or the heating element .
PINPOINT TEST K: SEAT DOES NOT HEAT BUT THE HEATED SEAT INDICATOR ILLUMINATES WHEN PRESSED ? Does it ?
Your best bet would be to take to a qualified repair shop .
Do

Jun 29, 2016 | 2004 Ford Explorer Sport Trac

1 Answer

Heated seat on drivers side


If the front passenger's seat heater works and 7.5A fuse 4 in the driver's underdash fuse/relay box and 20A fuse 3 in the passenger's underdash fuse/relay box are OK, the problem is in the driver's seat. The LO/HI switch could be defective or the seat and/or back heaters could be defective

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1 Answer

Please help. 1994 Mercedes E320 power windows are dead.


Under the rear seat cushion on the drivers side is a control module/ relay box that operates all the windows and the sunroof for the car. To lift up the rear seat cushion there is a tab on both sides of the rear seat that you push on while lifting the seat up. Once the seat cushion is out you can find the relay housing on the driver side right near the bend. Start there since everything went out all at once. Wrecking yard is the best place to pick up another one.

Jul 19, 2012 | 1994 Mercedes-Benz E-Class

1 Answer

2ooo ford explorer driver side electric seat will not work can you please help


check owner manual for location of fuses and relay that control seat. it has 2 motors, one for the seat back & one for the sliding back & forth. If one works, suspect motor. If both don't work, suspect fuse or relay.
Also, check wires for chafing under seat, they can get cut if out of position.
report back.

Dec 12, 2009 | 1993 Ford Explorer Limited

1 Answer

The blinkers on are ford don't work we tried to but in fuses but all the fuses work


If the lights come on but just do not flash, replace the flasher relay. Your Thunderbird has 2 flasher relays. One for the Turn signals and one for the Hazard lights. The turn signal relay is located Front seating area, driver side, under dash, driver side of steering column, mounted in lower corner of fuse block . The hazard relay is located Front seating area, driver side, under dash, driver side of steering column, mounted in rear of fuse block. Replace the one for the Turn Signals. Information Curtorsey Auto Zone.

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2 Answers

The driver seat heater just quit. all fuses are good. how do you tell if the relay is good?


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Nov 01, 2009 | 2004 Cadillac SRX

1 Answer

Horn and power seats quit working. maxi-fuse extremely hot. pulled it out and re-inserted after it cooled down. fixed the problem temporarily (a day or so). swapped that maxi-fuse with the one above it...


which maxi fuse gets hot ? # fuse , plus amps The power seats uses a 30 amp circuit breaker ,not a fuse . The horn gets power from the same circuit breaker . . Sounds like something is drawing to much current. Do you know how to use a amp meter to test current flow . Disconnect componets till draw goes away ? How to use a wiring diagram to pin point areas in a circuit to test ?
Is there corrosion on the pins where the seat circuit breaker plugs into ? Reach under your seats an see if one of the seat motors is hot .
DeVille
The left and the right power seat system consist of the following components:
• The seat switches
• The seat relay modules
• The 4 reversible motors:
- The front vertical motor
- The rear vertical motor
- The horizontal motor
- The recline motor
These 4 motors operate independently of each other.
When the entire seat switch is pushed to the FORWARD position, the forward input of the of the seat relay is grounded.
The seat relay module supplies battery positive voltage (B+) with a ground to the horizontal motor, in response to this input. In order to drive the seat forward, the motor runs until the switch is released.
The BACK position works similar to the FORWARD position with the exception that the voltage polarity supplied by the seat relay module is reversed causing the motor to run in the opposite direction. This action drives the seat backward.
These recline switches operate similar but independently:

The seat relay module could be bad , If you don't know how to do automotive electrical circuit testing it mite be a good idea for you to take your vehicle to a qualified repair shop.
Could have diagnostic trouble codes stored as well .
DTC B0846 +5 Volt Reference Out of Range
DTC B0856 Battery 2 Out of Range
DTC B1656 EEPROM Write Error
DTC B1658 EEPROM Checksum Error
DTC B1982 Source/Battery Voltage High
DTC B1983 Source/Battery Voltage Low
DTC B2101 Recline Aft Switch Failed (Eldorado)
DTC B2101 Recline Aft Switch Failed (DeVille)
DTC B2102 Recline Forward Switch Failed (Eldorado)
DTC B2102 Recline Forward Switch Failed (DeVille)
DTC B2103 Rear Vertical Down Switch Failed (Eldorado)
DTC B2103 Rear Vertical Down Switch Failed (DeVille)
DTC B2104 Rear Vertical Up Switch Failed (Eldorado)
DTC B2104 Rear Vertical Up Switch Failed (DeVille)
DTC B2105 Horizontal Aft Switch Failed (Eldorado)
DTC B2105 Horizontal Aft Switch Failed (DeVille)
DTC B2106 Horizontal Forward Switch Failed (Eldorado)
DTC B2106 Horizontal Forward Switch Failed (DeVille)
DTC B2107 Front Vertical Down Switch Failed (Eldorado)
DTC B2107 Front Vertical Down Switch Failed (DeVille)
DTC B2108 Front Vertical Up Switch Failed (Eldorado)
DTC B2108 Front Vertical Up Switch Failed (DeVille)
DTC B2109 Lumbar Aft Switch Failed
DTC B2110 Lumbar Forward Switch Failed
DTC B2111 Lumbar Down Switch Failed
DTC B2112 Lumbar Up Switch Failed
DTC B2115 Recline Sensor Failed
DTC B2116 Rear Vertical Sensor Failed
DTC B2117 Horizontal Sensor Failed
DTC B2118 Front Vertical Sensor Failed
DTC B2119 Lumbar Forward/Aft Sensor Failed
DTC B2120 Lumbar Up/Down Sensor Failed
DTC 2130 Seat Motor Failure

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3 Answers

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If it is power seat electric motor is faulty. For mechanical you need to spray the rails under the seat. There is the grease at any autostore or Walmart for unscrewing rusty bolts. It will be helpfull.After you do thet push seat forward and back afterwards.
It will go
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2 Answers

Diagram of fuse panel under dashboard


2003 Excusion, V10, 2wd, Eddie Bauer

I had a hardtimefinding this informaton, hope it helps.

fuses
Fuse link
cartridge
2A Grey Grey — — —
3A Violet Violet — — —
4A Pink Pink — — —
5A Tan Tan — — —
7.5A Brown Brown — — —
10A Red Red — — —
15A Blue Blue — — —
20A Yellow Yellow Yellow Blue Blue
25A Natural Natural — — —
30A Green Green Green Pink Pink
40A — — Orange Green Green
50A — — Red Red Red
60A — — Blue — Yellow
70A — — Tan — Brown
80A — — Natural — Black
Passenger compartment fuse panel / power distribution box
The fuse panel is located below and to the left of the steering wheel by
the brake pedal. Remove the panel cover to access the fuses.
Roadside Emergencies
To remove the fuse panel cover,
turn the panel fasteners
counterclockwise.
To remove a fuse use the fuse puller
tool provided on the fuse panel
cover.

The fuses are coded as follows.
Roadside Emergencies
Fuse/Relay
Location
Fuse Amp
Rating
Passenger Compartment Fuse Panel
Description
1 15A* Adjustable pedals
2 20A* Power point -floor console
3 20A* Power point – 3rd row
4 20A* Power point -instrument panel
20A* Power point -right rear quarter
6 20A* Trailer tow turn/stop relay
7 30A* High beam headlamps / Flash to pass
8 — Not used
9 20A* Heated mirrors
10A* A/C clutch
11 20A* Radio (main)
12 20A* Cigar lighter / OBD II
13 5A* Power mirrors/switches
14 15A* Daytime running lamps
10A* Driver’s seat module memory
16 15A* Rear seat controller
17 15A* Exterior lamps
18 20A* Turn lamps/Brake on-off switch (high)
19 10A* Body security module/4x4 module
— Not used
21 25A* Rear wiper motor
22 20A* Engine control
23 20A* Engine control
24 15A* Air suspension
10A* 4-Wheel Anti-Lock Brake System
(4WABS) module
26 10A* Airbags
27 15A* Ignition switch Run feed
28 10A* EATC module module/Front blower relay
coil
29 10A* Customer access
Roadside Emergencies
Fuse/Relay
Location
Fuse Amp
Rating
Passenger Compartment Fuse Panel
Description
30 15A* Highbeam headlamps
31 15A* Clutch interlock switch
32 5A* Radio (start)
33 15A* Front wiper
34 10A* Brake on-off switch
35 10A* Instrument cluster
36 10A* PCM Keep-Alive
37 15A* Horn
38 20A* Trailer tow park lamps and backup lamps
39 — Not used
40 20A* Fuel pump
41 10A* Instrument cluster
42 15A* Delayed accessory
43 10A* Fog lamps
44 10A* PATS module, transceiver
45 10A* Ignition switch Run/ Start feed
46 10A* Left-hand lowbeam
47 10A* Right-hand lowbeam
48 10A* Rear wiper motor
101 30A** Trailer tow electric brake
102 30A** Door locks/Body security module
103 50A** Ignition switch
104 40A** Heated backlite
105 30A** Injector driver module
106 30A** Front wiper main
107 40A** Front blower motor
108 40A** Auxiliary blower motor
109 30A** Heated seats
110 50A** Ignition switch
111 30A** 4WD/Shift on the fly
112 30A** Left-hand power seats

Roadside Emergencies
Fuse/Relay
Location
Fuse Amp
Rating
Passenger Compartment Fuse Panel
Description
113 30A** Starter motor
114 30A** Right-hand power seats
115 20A** Trailer tow battery charge
116 30A** Ignition switch
601 30A CB Door window motors
602 60A** 4-Wheel Anti-Lock Brake System
(4WABS) module
210 — Not used
211 — Not used
212 — Not used
301 — Front blower motor relay
302 — Powertrain (EEC) relay
303 — Injector driver module relay (Diesel
only)
304 — Heated backlite relay
305 — Trailer tow battery charge relay
306 — Delayed accessory relay
307 — Starter relay
* Mini Fuses ** Maxi Fuses

Jan 27, 2009 | 2002 Ford Excursion

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