All Wiring Diagrams for Honda Pilot EX 2003

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Honda Pilot EX 2003

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Honda Pilot EX 2003:

A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Air hot mix
Air mix cool
Air mix potential
Amd-p
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
Blower feedback
Climate control unit
Defogger system
Ect sens
Evap temp sens
Evaporator temperature sensor (in hvac assembly, in evaporator fins)
Front air mix control motor (on bottom of hvac assembly)
Front mode control motor (on left end of hvac assembly)
G401 (behind upper left end of dash)
Gauge assembly
Gnd
Ig2
In-car temp sens
In-car temperature sensor (on dash, right of steering column)
Interior lights system
M-cool
M-def
M-hot
M-vent
Mode 1
Mode 2
Mode 3
Mode 4
Mode def
Mode vent
Out air temp sens
Outside air temperature sensor (on back of front bumper beam)
Pnk
Potential +5v
Rear c1
Rear c2
Rear c3
Rear h1
Rear h2
Rear h3
Rear indicator
Red
S-com
S5v
Sens comm gnd
Sunlight sens
Sunlight sensor (on center of dash)
Transistor base
Vss

Automatic A/C Wiring Diagram (2 of 3) for Honda Pilot EX 2003

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List of elements for Automatic A/C Wiring Diagram (2 of 3) for Honda Pilot EX 2003:

7.5a
A/c compressor
A/c compressor clutch
A/c compressor clutch relay
A10
Amd-p
Cool
D11
D14
Front blower motor (under right side of dash, on bottom of blower unit)
Front blower motor relay
Front blower power transistor (on bottom of blower unit, next to front blower motor)
Frs
Fuse 3 7.5a
Fuse 30a
Fuse 40a
Fuse 59
Fuse 6 15a
G201 (behind right headlight)
G401 (behind upper left end of dash)
G501 (behind left end of dash)
Hot
Hot at all times
Hot in on driver's under-dash fuse/relay box (behind left end of dash)
Hot in on or start
Ig2
Interior lights system
M-cool
M-heat
M-hot
M-vent
M14
Nca
Off
On ind
Pnk
Rear air mix control motor (under center console panel)
Rear blower motor (under center console)
Rear blower motor relay (under center console)
Rear blower power transistor (under center console)
Rear heater- a/c control unit
Rear mode control motor (under center console panel)
Rec
Recirculation control motor (behind glove box, on left side of blower unit)
Red
S-com
S5v
Thermal protector
Under-hood fuse/relay box (at right side of engine compt)

Automatic A/C Wiring Diagram (3 of 3) for Honda Pilot EX 2003

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List of elements for Automatic A/C Wiring Diagram (3 of 3) for Honda Pilot EX 2003:

(at right side of engine compartment)
(behind left center of dash) radiator fan control module
(behind upper left end of dash) g401
A/c condenser fan motor (behind right side of radiator)
A/c condenser fan relay
A/c diode a
A/c diode assembly (behind right side of dash)
A/c diode b
A/c pressure switch
A17 red
Ac on in
Battery
Cruise control system, navigation system & instrument cluster system
D12
D15
D16
D9 (not used)
Engine coolant temperature sensor (at rear of engine, on top of water passage)
Fan control relay (in multi- relay box)
Fan ctrl
Fuse 13 7.5a
Fuse 30a
G101 (at left rear of engine)
G17
G201 (behind right headlight)
Ground
H17 (not used)
High
Hot at all times
I12
Ignition
J14
Junction connector c105 (at center of engine compt)
Low
Passenger's under-dash fuse/relay box (behind right kick panel)
Powertrain control module (behind center of dash)
Rad fan ctrl
Radiator fan motor (behind left side of radiator)
Radiator fan relay
Radiator fan switch a (at rear of engine, on thermostat cover)
Radiator fan switch b (on front of of left cylinder head)
Radiator fan switch c (on bottom lower left of radiator)
Red
Relay ctrl
Sens gnd
Sens in
Switch b in
Switch c in
Underhood fuse/relay box (at right side of engine compartment)
Vss out

Manual A/C Wiring Diagram (1 of 2) for Honda Pilot EX 2003

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List of elements for Manual A/C Wiring Diagram (1 of 2) for Honda Pilot EX 2003:

(behind upper left end of dash) g401
7.5a
A/c compressor
A/c compressor clutch
A/c compressor clutch relay
A/c pres sw
A10
Air mix cool
Air mix hot
Air mix potential
Amd-p
Blower feedback
Cool
D11
D14
Defogger system
Driver's under-dash fuse/relay box (behind left end of dash)
Evap temp sens
Evaporator temperature sensor (in hvac assembly, in evaporator fins)
Fresh
Front air mix control motor (on bottom of hvac assembly)
Front blower motor (under right side of dash, on bottom of blower unit)
Front blower motor relay
Front blower power transistor (on bottom of blower unit, next to front blower motor)
Front mode control motor (on left end of hvac assembly)
Frs
Fuse
Fuse 3 7.5a
Fuse 30a
Fuse 40a
Fuse 6 15a
G201 (behind right headlight)
G401 (behind upper left end of dash)
G501 (behind left end of dash)
Gnd
Heater control panel
Hot
Hot at all times
Hot in on
Hot in on or start
Ig2
Ign
Ignition in
Illumi (+)
Illumi (-)
Interior lights system
Light
M-cool
M-def
M-hot
M-vent
M14
Mode 1
Mode 2
Mode 3
Mode 4
Mode def
Mode vent
Nca
Potential +5v
Rear blower motor (under center console)
Rear blower motor relay (under center console)
Rear blower resistor (under center console)
Rear heater a/c control unit
Rear mode control motor (under center console panel)
Rec
Recirculate
Recirculation control motor (behind glove box, on left side of blower unit)
Red
Relay ctrl
S-com
S5v
Sens comm gnd
Thermal protector
Transistor base
Underhood fuse/relay box (at right side of engine compt)
Vent

Manual A/C Wiring Diagram (2 of 2) for Honda Pilot EX 2003

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List of elements for Manual A/C Wiring Diagram (2 of 2) for Honda Pilot EX 2003:

(at right side of engine compartment)
(behind left center of dash) radiator fan control module
(behind upper left end of dash) g401
A/c condenser fan motor (behind right side of radiator)
A/c condenser fan relay
A/c diode a
A/c diode assembly (behind right side of dash)
A/c diode b
A/c pressure switch
A17 red
Ac on in
Battery
D12
D15
D16
D9 (not used)
Engine coolant temperature sensor (at rear of engine, on top of water passage)
Fan control relay (in multi- relay box)
Fan ctrl
Fuse 13 7.5a
Fuse 30a
G101 (at left rear of engine)
G17
G201 (behind right headlight)
Ground
H17 (not used)
High
Hot at all times
I12
Ignition
J14
Junction connector c105 (at center of engine compt)
Low
Passenger's under-dash fuse/relay box (behind right kick panel)
Powertrain control module (behind center of dash)
Rad fan ctrl
Radiator fan motor (behind left side of radiator)
Radiator fan relay
Radiator fan switch a (at rear of engine, on thermostat cover)
Radiator fan switch b (on front of of left cylinder head)
Radiator fan switch c (on bottom lower left of radiator)
Red
Relay ctrl
Sens gnd
Sens in
Switch b in
Switch c in
Under-hood fuse/relay box (at right side of engine compartment)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Honda Pilot EX 2003

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List of elements for Anti-lock Brakes Wiring Diagram for Honda Pilot EX 2003:

(below driver under-dash fuse/relay box) g302
(flp)
(fls+)
(fls-)
(frp)
(frs+)
(frs-)
(not used)
(rlp)
(rls+)
(rls-)
(rrp)
(rrs+)
(rrs-)
Abs indicator
Abs indicator circuit
Abs modulator- control unit (at left side of engine compt)
Auxiliary fuse box (at left front of engine compt, to right of battery)
B15
B17
B18
B19
B24
Brake fluid level switch (integral to brake fluid reservoir cap)
Brake pedal position switch (at top of brake pedal arm)
Brake switch in
Brake system ind
Brake system indicator
C14
Canada
Computer data lines system
D15
D16
Daytime running lights control unit (behind left side of dash)
Dlc in/out
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
F13
F14
Fuse 10a
Fuse 20a
Fuse 40a
Fuse 7.5a
G301 (at left front side of engine compt, behind headlight)
G502 (behind left side of dash)
Gauge assembly
Ground
Hot at all times
Hot in on
Hot in on or start
Ignition input
Ind light ctrl
Left front wheel speed sensor
Left rear wheel speed sensor
M10
M20
P/ brk sw
Parking brake switch (at top of of parking brake pedal)
Pump motor pwr
Right front wheel speed sensor
Right rear wheel speed sensor
Service check in
Transmissions system
Under-hood fuse/relay box (at right side of engine compartment)
Usa
Valve relay pwr
Vtm-4 control unit (at left side of cargo area, behind rear side trim panel)

ANTI-THEFT

Forced Entry Wiring Diagram, LX (1 of 2) for Honda Pilot EX 2003

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List of elements for Forced Entry Wiring Diagram, LX (1 of 2) for Honda Pilot EX 2003:

(not used)
A10
A11
A13
A16
A17
A21
B14
D/l lock
D/l unlock
Dr sw dr
Dr sw rd
Driver's door switch
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
E10
Front passenger's door switch
Fuse 42 50a
G652 (above right rear fender)
Horn relay
Horn rly
Hot at al times
I14
Ig key sw
Instrument cluster system
Interior lights system
Intrlt
Left rear door switch
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Red
Right rear door switch
Security diode 1 (behind left side of dash)
Security diode 2 (behind left side of dash)
Security diode 3 (behind left side of dash)
Security in-line fuse 2
Security in-line fuse 3
Security led
Security relay (behind left side of dash)
Tailgate latch switch
Under-hood fuse/relay box (at right side of engine compartment)

Forced Entry Wiring Diagram, LX (2 of 2) for Honda Pilot EX 2003

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List of elements for Forced Entry Wiring Diagram, LX (2 of 2) for Honda Pilot EX 2003:

A12
A18
Door multiplex control unit (in driver door)
Driver's door lock actuator
Driver's door lock switch
Driver's under-dash fuse/relay box (behind left end of dash)
Fuse 9 10a
G20 (right side of engine compt)
G30 (behind left kick panel)
G401 (behind upper left end of dash)
Hot in on or start
Interior light switch
K13
Left rear door lock actuator
Lock
Red
Security control unit (behind left side of dash)
Security disarm switch
Security hood switch (at center front of engine compt)
Security in-line fuse 1
Taillight relay
Unlock

Immobilizer Wiring Diagram for Honda Pilot EX 2003

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List of elements for Immobilizer Wiring Diagram for Honda Pilot EX 2003:

(behind left side of dash, near steering column)
(not
A15
A17
B20
Driver's under-dash fuse/relay box (behind left end of dash)
E12
E14
Fuel pump
Fuel tank unit
Fuse 1 15a
Fuse 13 7.5a
Fuse 46 15a
G101 (at left rear of engine)
G15
G601 (below left front seat)
Gauge assembly
Hot at all times
Hot in on or start
Hot in start
Immobilizer control unit-receiver (in steering column, on ignition key cylinder)
Immobilizer system indicator
Junction connector c104 (at left side of engine compt)
Junction connector c105 (at center of engine compt)
Junction connector c106 (at center of engine compt)
L10
Passenger's under-dash fuse/relay box (behind right kick panel)
Pgm-fi main relay
Pnk
Powertrain control module (behind center of dash)
Red
Starter cut relay
Under-hood fuse/relay box (at right side of engine compt)
Used)

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Honda Pilot EX 2003

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List of elements for Body Control Modules Wiring Diagram (1 of 2) for Honda Pilot EX 2003:

(ex, ex-l)
(not used)
+b clock
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
Acgl
Anti-lock brakes system
At-p
At-s
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
Bsdl (unbuckled)
Bus (door/dr)
Bus as
Check
Cruise control system
D12
D15
D17
D18
D2o
Door lock, anti-theft systems (ex, ex-l)
Door locks system
Door locks, anti-theft systems
Dr sw dr
Dr sw rd
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
E10
Engine controls system
Exterior lights system
Fr int sw
Fr wash sw
Fr wip as
Fr wip rly
Fuse 9 10a
G401 (behind upper left end of dash)
G401 (behind upper left end of dash)
G501 (behind left end of dash)
Ground
H/l rly+
H14
Headlights system
Hood switch
Hot in on or start
Ig1 meter
Igkey lt
Igkey sw
Ignition key light
Ignition key switch
Ignition key switch/key light
Ill vr+
Ill vr-
Ill+
Illuminaton
Instrument cluster
Instrument cluster system
Int vr+
Int vr-
Interior lights system
J13
J14
J15
K10
K12
K15
K16
L15
L18
M19
M20
Multiplex control inspection connector
Oil press sw
P/brk sw
P/w rd down
P/w rd up
Pass sw
Pnk
Power windows system
Red
Security connector
Security in
Sgnd
Sil rd unlock
Sml rly+
Sml rly-
Starting/charging system
Stop sw
T option connector
T/g sw
Vss out
Wiper/washer system
Wiper/washer sysyem

Body Control Modules Wiring Diagram (2 of 2) for Honda Pilot EX 2003

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List of elements for Body Control Modules Wiring Diagram (2 of 2) for Honda Pilot EX 2003:

(ex, ex-l)
(not used)
+b clock
+b d/l
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
Bus (mpx-dr)
Bus as
C11
C12
C14
C16
C20
Cruise control system
D/l lock
D/l unlock
Door locks, anti-theft systems
Door multiplex control unit (in driver door)
Dr sw as
Dr sw ra
E15
E17
E18
Fuse 20a
Fuse 47 20a
Fuse 5 (not used)
Fuse 7.5a
G401 (behind upper left end of dash)
G503 (behind right end of dash)
G601 (below left front seat)
G651 (below right front seat)
Ground
H/l rly-
Headlights system
Horn rly
Horns system
Hot at all times
I12
I14
Ig1 meter
Interior lights system
Intrlt
K/c as lock
K/c as unlock
K/c t/g lock
K/c t/g unlock
K/l lock
K/l panic
K/l unlock
Lock
Navigation, sound systems
P/w as down
P/w as up
P/w main rly
P/w main sw
P/w ra down
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Pnk
Power window relay
Power windows
Power windows system
Radio sw
Rem as lock
Rem as unlock
Rr int sw
Rr wash sw
Rr wip as
Rr wip rly
Sgnd
Sil as unlock
Sil ra unlock
Under-hood fuse/relay box (at right side of engine compartment)
Unlock
Vbu
Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Honda Pilot EX 2003

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List of elements for Computer Data Lines Wiring Diagram for Honda Pilot EX 2003:

(at left side of cargo area, behind rear side trim panel) vtm-4 control unit
(at left side of engine compartment) test tachometer
(behind center of dash) powertrain control module
(behind upper left end of dash) g401
A10
A15
A16
A17
A19
A21
A25
Abs modulator control unit (at left side of engine compt)
B10
B22
Check connector (under right front seat)
Chk
Connector
Data link connector (lower left side of dash)
Diag n
Diag p
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
Fuse 15a
G101 (at left rear of engine)
G401 (behind upper left end of dash)
G501 (behind left end of dash)
Gauge assembly
Hot at all times
K line
K14
Mes connector (under left side of dash)
Multiplex control inspection connector (behind left side of dash)
Navigation unit (under right front seat)
Nep
Scs
Srs unit (behind lower center of dash)
Underhood fuse/relay box (at right side of engine compt)

COOLING FAN

Cooling Fan Wiring Diagram for Honda Pilot EX 2003

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List of elements for Cooling Fan Wiring Diagram for Honda Pilot EX 2003:

(at right side of engine compartment)
(behind left center of dash) radiator fan control module
(behind right side of dash) a/c diode assembly
(behind upper left end of dash) g401
(not used)
A/c condenser fan motor (behind right side of radiator)
A/c condenser fan relay
A/c diode a
A/c diode b
A/c on in
A/c pres sw
A/c pressure switch
B22
B27
Battery
Climate control unit
Cond fan ctrl
D12
D15
D16
D9 (not used)
Driver's under-dash fuse/relay box (behind left end of dash)
Ect sens
Engine coolant temperature sensor (at rear of engine, on top of water passage)
Ex, ex-l
Fan control relay (in multi- relay box)
Fan ctrl
Fuse 13 7.5a
Fuse 3 7.5a
Fuse 30a
Fuse 6 15a
G101 (at left rear of engine)
G17
G201 (behind right headlight)
Ground
H17
Heater control panel
High
Hot at all times
Hot in on
Hot in on or start
I12
Ignition
J14
Junction connector c105 (at center of engine compt)
Junction connector c106 (at center of engine compt)
Low
M14
Passenger's under-dash fuse/relay box (behind right kick panel)
Powertrain control module (behind center of dash)
Rad fan ctrl
Radiator fan motor (behind left side of radiator)
Radiator fan relay
Radiator fan switch a (at rear of engine, on thermostat cover)
Radiator fan switch b (on front of of left cylinder head)
Radiator fan switch c (on bottom lower left of radiator)
Sens gnd
Sens in
Switch b in
Switch c in
Under-hood fuse/relay box (at right side of engine compartment)

CRUISE CONTROL

Cruise Control Wiring Diagram for Honda Pilot EX 2003

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List of elements for Cruise Control Wiring Diagram for Honda Pilot EX 2003:

"on" indicator
(not used)
A/t commun- ication
A11
A16
A27
B11
B14
B16
Brake pedal position switch (at top of brake pedal arm)
Brake switch input
C17
Cable reel
Cancel switch
Climate control unit (ex, ex-l)
Cruise control actuator (at right side of engine compt, in front of under-hood fuse/relay box)
Cruise control indicator
Cruise control main switch
Cruise control main switch light
Cruise control set/ resume/ cancel switch
Cruise control sig input
Cruise lamp
Cruise on input
Driver's multplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
Fuse 47 20a
Fuse 6 15a
Fuse 8 7.5a
G101 (at left rear of engine)
G201 (behind right headlight)
G401 (behind upper left end of dash)
G502 (behind left side of dash)
Gauge assembly
Ground
Horn relay
Horn switch
Hot at all times
Hot in acc or on
Hot in on or start
Ignition input
Inhibitor switch
Input resume switch
Interior lights system
J10
J12
Junction connector c104 (at left side of engine compt)
M11
M14
Main circuit
Navigation unit (ex-l) (under right front seat)
Passenger's under-dash fuse/relay box (behind right kick panel)
Pnk
Powertrain control module (behind center of dash)
Red
Resume switch
Security connector
Set switch
Set switch input
Speed sensor
Steering wheel
Transmission range switch (on transaxle end cover)
Under-hood fuse/relay box (at right side of engine compartment)
Vehicle speed output

DEFOGGERS

Heated Mirrors Wiring Diagram, Canada for Honda Pilot EX 2003

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List of elements for Heated Mirrors Wiring Diagram, Canada for Honda Pilot EX 2003:

(below left front seat) g601
(below right front seat) g651
Defogger
Driver's under-dash fuse/relay box (behind left end of dash)
E20
Fuse 4 7.5a
G12
H17
Hot in on
Left power mirror
M18
Passengers under-dash fuse/relay box (behind right kick panel)
Power mirror switch
Right power mirror

Rear Defogger Wiring Diagram for Honda Pilot EX 2003

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List of elements for Rear Defogger Wiring Diagram for Honda Pilot EX 2003:

(behind upper left end of dash) g401
(not used)
B28
B29
Climate control unit (ex, ex-l) heater control panel (lx)
Driver's under-dash fuse/relay box (behind left end of dash)
Ex, ex-l
Fuse 3 7.5a
Fuse 53 30a
G652 (above right rear fender)
Ground
Hot at all times
Hot in on
I15
Ignition
J15
Passenger's under-dash fuse/relay box (behind right kick panel)
Rdef rly ctrl
Rear window defogger
Rear window defogger noise condenser (behind liftgate upper trim)
Rear window defogger relay
Under-hood fuse/relay box (at right side of engine compartment)

ENGINE PERFORMANCE

3.5L

3.5L, Engine Performance Wiring Diagram (1 of 5) for Honda Pilot EX 2003

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List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 5) for Honda Pilot EX 2003:

(behind left side of dash) pgm-fi main relay
2wbs
4th clutch pressure switch (on transaxle end cover)
A/c system
A/t clutch pressure control solenoid valve a (on trans- mission housing)
A/t clutch pressure control solenoid valve b (on trans- mission housing)
A/t clutch pressure control solenoid valve c (on trans- mission housing)
A/t temp indicator
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
Acc
Acs
Afsdl
Atfind
Atpnp
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
Bksw
Ccs
Cooling fans system
Cruise control system
D5ind
Driver's underdash fuse/relay box (behind left end of dash)
Ect out
Egr
Eld
Fanc
Fasdl
Ftp
Fuse 15a
Fuse 7.5a
G101 (left rear of engine)
Gauge assembly
Hot at all times
Hot in on or start
Hot in start
Iacv
Igp1
Igp2
Ilu
Imofpr
Inj1
Inj2
Inj3
Inj4
Inj5
Inj6
Intake air control (iac) valve (under throttle body assembly)
J/c c104 (left side of engine compt)
J/c c105 (center of engine compt)
J/c c106 (center of engine compt)
K-line
Lg1
Lg2
Lsa+
Lsa-
Lsb+
Lsb-
Lsc+
Lsc-
Mil
Nep
Op4sw
Passenger's underdash fuse/relay box (behind right kick panel)
Pcs
Pg1
Pg2
Pnk
Powertrain control module (pcm) (behind center of dash)
Pspsw
Red
Scs
Shift interlock system
Sho2s
So2shtc
Stsw
Underhood fuse/relay box (right side of engine compt)
Vbu
Vssout
Vsv
Vtec solenoid valve (at front of engine)
Vts

3.5L, Engine Performance Wiring Diagram (2 of 5) for Honda Pilot EX 2003

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List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 5) for Honda Pilot EX 2003:

(at top of brake pedal arm) brake pedal position switch
(lower left side of dash) data link connector (dlc)
(on top rear of intake manifold) evap canister purge valve
At-p
D17
Driver's multiplex control unit
Driver's underdash fuse/relay box (behind left end of dash)
Evap bypass solenoid valve (under left side of floor)
Evap canister vent shut valve (under left side of floor)
Exterior lights, cruise control systems
Fuel injectors
Fuse 10a
Fuse 20a
G201 (behind right headlight)
Gauge assembly
Hot at all times
Hot in on or start
J/c c103 (left side of eng compt)
J/c c106 (center of engine compt)
K10
Mil ind
Pnk
Power steering pressure (psp) switch (on power steering pressure line)
Red
Starting/ charging system
Underhood fuse/relay box (right side of engine compt)

3.5L, Engine Performance Wiring Diagram (3 of 5) for Honda Pilot EX 2003

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List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 5) for Honda Pilot EX 2003:

(at rear of engine, on top of water passage) engine coolant temperature (ect) sensor
(center of engine compt) j/c c105
(on exhaust pipe) heated oxygen sensor (primary)
(on rear intake manifold chamber) intake air temperature (iat) sensor
(on three way catalytic converter) heated oxygen sensor (secondary)
A25
A29
B10
Braided
C301 (under left side of dash)
Climate control unit (ex, ex-l)
Driver's under- dash fuse/ relay box (behind left end of dash)
Driver's underdash fuse/relay box
Ect
Electrical load detector (eld) unit (in underhood fuse/relay box)
Fuel pump
Fuel tank unit (in fuel tank)
Fuse 15a
G101 (left rear of engine)
G201 (behind right headlight)
G601 (below left front seat)
Gauge assembly
H12
Hot in on or start
Immob
Immobilizer receiver unit (in steering column, on ignition key cylinder)
Knock sensor (under intake manifold)
Passenger's underdash fuse/relay box (behind right kick panel)
Pnk
Red
Tach
Test tachometer connector (left side of engine compt)
Vtm-4 control unit (left side of cargo area)

3.5L, Engine Performance Wiring Diagram (4 of 5) for Honda Pilot EX 2003

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List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 5) for Honda Pilot EX 2003:

(center of engine compt) j/c c105
(center of engine compt) j/c c105 j/c c105
(lower front of engine) crankshaft position (ckp) sensor
(on left side of throttle body) throttle position (tp) sensor
(on torque con- verter housing)
(on transaxle end cover) atf temperature sensor
(on transaxle end cover)
(rear of left cylinder head) egr valve & egr valve position sensor
(top front of engine) camshaft position (cmp) sensor
3rd clutch pressure switch
Braided
Countershaft speed sensor (on top of transaxle)
D14
Driver's under- dash fuse/ relay box (behind left (not used) end of dash)
Fuel tank pressure sensor (under left side of floor)
G101 (left rear of engine)
G151 (at rear of transaxle)
J/c c106 (center of engine compt)
J17
Mainshaft speed sensor (on transaxle end cover)
Manifold absolute pressure (map) sensor (on throttle body)
Pnk
Red
Shift control solenoid valve a
Shift control solenoid valve b
Shift control solenoid valve c
Torque converter clutch solenoid valve (on torque converter housing)
Vtec oil pressure switch (at lower right front of engine)

3.5L, Engine Performance Wiring Diagram (5 of 5) for Honda Pilot EX 2003

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List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 5) for Honda Pilot EX 2003:

(left side of eng compt) j/c c104
(not used)
A13
Altc
Altf
Atft
Atp1
Atp2
Atpd3
Atpd4
Atpd5
Atpn
Atpr
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
Ckp+
Ckp-
Cpu
Cruise control system
D10
D11
D12
D13
D14
D15
D16
Dimming circuit
Driver's under- dash fuse/ relay box (behind left end of dash)
E10
E11
E12
E13
E14
E15
E16
E17
E18
E19
E20
Ect
Egrp
Fuse 15a
G101 (left rear of engine)
G102 (right front of engine)
G502 (behind
Gauge assembly
Hot in on or start
Iat
Icm
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Igpls1
Igpls2
Igpls3
Igpls4
Igpls5
Igpls6
Imocd
Imoen
Imoind
J/c c106 (center of engine compt)
Left side
Map
Ncsg
Nmsg
Of dash)
Op3sw
Pho2s
Pnk
Po2shtc
Powertrain control module (pcm) (behind center of dash)
Red
Sg1
Sg2
Sha
Shb
Shc
Starting/ charging system
Tdc1+
Tdc1-
Tdc2+
Tdc2-
Tps
Transmission range switch (on transaxle end cover)
Vbsol
Vcc1
Vcc2
Vtpsw

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Honda Pilot EX 2003

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List of elements for Back-up Lamps Wiring Diagram for Honda Pilot EX 2003:

(behind center of dash)
(not
A/t gear position indicator
Atp-r
Brake light failure sensor (at right side of cargo area, on inside of rear side trim panel)
D10
Driver's under-dash fuse/relay box (behind left end of dash)
Ex-l
Fuse 9 10a
G101 (at left rear of engine)
G652 (above right rear fender)
Gauge assembly
Hot in on or start
Junction connector c104 (at left side of engine compt)
Junction connector c106 (at center of engine compt)
K11
Left back-up light
Navigation system
Powertrain control module
Reverse relay
Right back-up light
Trailer lighting connector
Transmission range switch (on transaxle end cover)
Used)

Exterior Lamps Wiring Diagram (1 of 2) for Honda Pilot EX 2003

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Honda Pilot EX 2003:

(behind left end of dash) driver's under-dash fuse/relay box
A22
B16
B17
Back-up lamps circuit
Brake light failure sensor (at right side of cargo area, on inside of rear side trim panel)
Brake light/ taillight
Brake pedal position switch (at top of brake pedal arm)
C13
C18
Driver's multiplex control unit
Ex, ex-l
Fuse 10a
Fuse 15a
Fuse 20a
Fuse 7.5a
G401 (behind upper left end of dash)
G652 (above right rear fender)
H15
High mount brake light
Hot at all times
Hot in on or start
Interior lights systems
J16
L15
L21
Left taillight assembly
License plate light
M20
Passenger's under-dash fuse/relay box (behind right kick panel)
Rear side marker light
Right taillight assembly
Security connector (lx)
Sml rly+
Sml rly-
Stop sw
Taillight relay (behind left side of dash)
Turn signal light/ taillight
Turn signal/ hazard relay
Under-hood fuse/relay box (at right side of engine compt)

Exterior Lamps Wiring Diagram (2 of 2) for Honda Pilot EX 2003

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Honda Pilot EX 2003:

(behind left side of dash) g502
(behind upper left end of dash) g401
(not used)
A15
Back-up lamps circuit
C12
Combination light switch
D18
Driver's under-dash fuse/relay box (behind left end of dash)
G201 (behind right headlight)
G301 (at left front side of engine compartment, behind headlight)
Gauge assembly
Hazard warning switch
Hazard warning switch light
Head
Headlight switch
Interior lights system
Interior lights systems
K16
L17
Left front side marker light
Left front turn signal/ parking lights
Left turn signal ind
Off
Park
Red
Right front side marker light
Right front turn signal/ parking lights
Right turn signal ind
Safety indicator
Trailer lighting connector
Turn signal switch

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Honda Pilot EX 2003

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List of elements for Ground Distribution Wiring Diagram (1 of 4) for Honda Pilot EX 2003:

A10
B10
B12
B18
B20
B22
Battery
Braided wire
Ckp sensor shield
Cmp sensor (a & b) shield
Cruise control actuator
D14
Dlc
Egr valve & egr valve position sensor
Eld unit
Engine
Fan control relay
Front blower motor relay
G1 (on left side of engine compt, near battery)
G101 (at left rear of engine)
G102 (at right front of engine, near power steering pump)
G14
G2 (at front of engine compt)
G201 (behind right headlight)
Iac valve
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Immobilizer control unit- receiver
Intermittent wiper relay
Junction connector c104 (at left side of engine compt)
Junction connector c105 (at center of engine compt)
Junction connector c106 (at center of engine compt)
Knock sensor shield
Passenger's under-dash fuse/relay box (behind right kick panel)
Pcm
Pgm-fi main relay
Primary ho2s shield
Psp switch
Radiator fan motor
Radiator fan switch a
Radiator fan switch b
Radiator fan switch c
Rear window washer motor
Rear window wiper intermittent relay
Right front side marker light
Right front turn signal/ parking lights
Seat heater relay (ex-l: canada)
Secondary ho2s shield
Security hood switch (ex, ex-l)
Transmission
Transmission range switch
Under-hood fuse/relay box (at right side of engine compt)
Vtec oil pressure switch
Vtm-4 control unit
Vtm-4 control unit shields
Washer fluid level switch (canada)
Windshield washer motor

Ground Distribution Wiring Diagram (2 of 4) for Honda Pilot EX 2003

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List of elements for Ground Distribution Wiring Diagram (2 of 4) for Honda Pilot EX 2003:

A13
A14
B11
B22
Brake fluid level switch
Cigarette lighter connector (optional)
Console accessory power socket
Door multiplex control unit
Driver's multiplex control unit
Driver's power seat adjustment switch (ex, ex-l)
Driver's seat back heater (ex-l: canada)
Driver's seat belt switch
Driver's seat heater switch (ex-l: canada)
Driver's under-dash fuse/relay box (behind left end of dash)
Driver's vanity mirror light
Dvd player unit
F10
Front accessory power socket
Front individual map lights
Front passenger's seat heater switch (ex-l: canada)
Front passenger's vanity mirror light
Fuel tank unit
G151 (at rear of transaxle)
G301 (at left front side of engine compartment, behind headlight)
G501 (behind left end of dash)
G503 (behind right end of dash)
G601 (below left front seat)
Glove box light
Interior light switch
Keyless receiver unit (ex, ex-l)
Left front side marker light
Left front turn signal/ parking lights
Left power mirror (canada)
Left rear power door lock knob switch (ex, ex-l)
Mes connector
Navigation display unit (ex-l)
Navigation unit (ex-l)
P/w main sw
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Power mirror switch
Power window control unit
Rear accessory power socket
Rear blower motor relay
Rear blower power transistor (ex, ex-l)
Rear controller & screen
Rear heater- a/c control unit
Rear heater- a/c control unit (lx)
Rear mode control motor (lx)
Sgnd
Shift control solenoid valve a
Shift control solenoid valve b
Shift control solenoid valve c
Torque converter clutch solenoid valve
W/ rse
Windshield wiper motor

Ground Distribution Wiring Diagram (3 of 4) for Honda Pilot EX 2003

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List of elements for Ground Distribution Wiring Diagram (3 of 4) for Honda Pilot EX 2003:

(not used)
(not used) d1
A12
A14
Abs modulator- control unit
Accessory power socket relay
B29
Cable reel (ex, ex-l)
Climate control unit (ex, ex-l)
Combination light switch
Cruise control main switch
Dlc
Door multiplex control unit
Driver's door key cylinder switch
Driver's door lock knob switch
Driver's door lock switch
Driver's multiplex control unit
Driver's under-dash fuse/relay box box (behind left end of dash)
Drl control unit (canada)
Ex-l: canada
Front blower power transistor
Front passenger's door key cylinder switch
Front passenger's door lock knob switch (ex, ex-l)
Front passenger's door lock switch
Front passenger's seat belt switch
Front passenger's seat cushion heater
G302 (below driver's under-dash fuse/relay box)
G401 (behind upper left end of dash)
G651 (below right front seat)
Gnd
H16
Heater control panel (lx)
Ignition key switch
Ignition key switch/ key light
Interior light relay
L15
Multiplex control inspection connector
Park pin switch
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Power window relay
Radiator fan control module
Rear accessory power socket relay
Red
Right power mirror (canada)
Right rear power door lock knob switch (ex, ex-l)
Turn signal/ hazard relay
Wiper/ washer switch

Ground Distribution Wiring Diagram (4 of 4) for Honda Pilot EX 2003

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List of elements for Ground Distribution Wiring Diagram (4 of 4) for Honda Pilot EX 2003:

A11
A12
A20
Audio unit
Auxiliary jack assembly (w/ rse)
B14
Braided wire
Brake light failure sensor
Cargo area accessory power socket
Fuel gauge sending unit
Fuel tank unit
G502 (behind left side of dash)
G504 (behind center of dash)
G505 (behind lower center of dash)
G602 (above left rear fender)
G652 (above right rear fender)
G801 (below center console)
Gauge assembly
High mount brake light
Left back-up light
Left taillight assembly
License plate light
Opds unit
Rear differential
Rear window defogger
Rear window defogger noise condenser
Rear window wiper motor
Right back-up light
Right taillight assembly
Srs unit
Tailgate key cylinder switch
Tailgate latch switch
Tailgate lock knob switch (ex, ex-l)
Trailer lighting connector
Vtm-4 control unit
Vtm-4 control unit shield

HEADLIGHTS

Headlights Wiring Diagram, with DRL for Honda Pilot EX 2003

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List of elements for Headlights Wiring Diagram, with DRL for Honda Pilot EX 2003:

(behind left end of dash) driver's under-dash fuse/relay box
(behind upper left end of dash) g401
(not used)
A10
A12
A13
A13 igkey sw
A14 gnd
A15
A16 dr sw
A17
A2 bus dr
A20
A22
B13
B15
Combination light switch
D19
Daytime running lights control unit (behind left side of dash)
Daytime running lights relay (behind left side of dash)
Dimmer switch
Door multiplex control unit
Driver's door lock knob switch
Driver's door switch
Driver's multiplex control unit
Drl ind
Ex, ex-l
Flash- to-pass switch
Fuse 20a
Fuse 44 (not used)
Fuse 45 20a
Fuse 5 10a
Fuse 6 10a
Fuse 9 10a
G401 (behind upper left end of dash)
Gauge assembly
H/l rly+
H13
H14
Head
Headlight relay 1
Headlight relay 2
Headlight switch
High beam ind
Hot at all times
Hot in on
Hot in on or start
Hot w/ headlight switch in head or park
I11
Ignition key switch
Ignition key switch/key light
Ill-
Instrument cluster system
Interior lights system
J18
L12
L14
L15
L20
Left headlight
Low beam cut relay (behind left side of dash)
Off
P/brk
Park
Parking brake switch (at top of parking brake pedal)
Pass
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Red
Right headlight
Security connector
To foglight relay 1 (diagram 2 of 2)
To foglight switch (diagram 2 of 2)
Under-hood fuse/relay box (at right side of engine compt)

Headlights Wiring Diagram, without DRL for Honda Pilot EX 2003

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List of elements for Headlights Wiring Diagram, without DRL for Honda Pilot EX 2003:

(behind left end of dash) driver's under-dash fuse/relay box
(behind right kick panel)
(behind upper left end of dash) g401
(not used)
A12
A13
A14
A15
A16 dr sw
A17
A2 bus dr
A20
A20 h/l rly-
A22
B13
Battery
Bus
Combination light switch
D19
Dimmer switch
Door multiplex control unit
Driver's door lock knob switch
Driver's door switch
Driver's multiplex control unit
Ex, ex-l
Flash- to-pass switch
Fog light diode (behind left side of dash)
Fog light in-line fuse 20a
Fog light relay 1 (behind left side of dash)
Fog light relay 2 (behind left side of front bumper)
Fog light switch
Fog light switch light
Fuse 20a
Fuse 44 (not used)
Fuse 45 20a
G1 (on left side of engine compt, near battery)
G301 (at left front side of engine compartment, behind headlight)
G401 (behind upper left end of dash)
Gauge assembly
Gnd
H13
H14
Head
Headlight
Headlight relay 1
Headlight relay 2
Headlight switch
High beam ind
Hot at all times
Hot w/ headlight switch in head or park
I11
Igkey sw
Ignition key switch
Ignition key switch/key light
Ill- a10 h/l rly+
Interior lights system
J18
L12
L15
L20
Left
Left fog light
Off
Park
Pass b13
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box
Red
Right
Right fog light
Security connector
Sw a13
T30
Under-hood fuse/relay box (at right side of engine compt)
Unlock

HORN

Horn Wiring Diagram for Honda Pilot EX 2003

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List of elements for Horn Wiring Diagram for Honda Pilot EX 2003:

A11
B14
Cable reel
Cruise control set/ resume/ cancel switch
Fuse 47 20a
High horn
Horn relay
Horn rly
Horn switch
Hot at all times
Low horn
Nca
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Security connector
Steering wheel
Under-hood fuse/relay box (at right side of engine compartment)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Honda Pilot EX 2003

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Honda Pilot EX 2003:

(behind left side of dash) drl control unit
(canada)
(ex, ex-l)
(ex-l)
A/t temperature indicator
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
Abs indicator
Abs indicator circuit
Air
Atfind
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B24
Brake light failure sensor
Brake system indicator
Bsdl
C10
C11
C12
C13
C14
Charging system indicator
Circuit
Conditioning system
Coolant temperature gauge
Cruise control actuator (at right side of engine compartment, in front of under-hood fuse/relay box)
Dind
Door locks system
Drive circuit
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
Ect out
Engine controls system
Exterior lights system
Fuel gauge
Fuse 6 15a
Fuse 8 7.5a
Fuse 9 10a
G201 (behind right headlight)
Gauge assembly
Headlights system
Hot in acc or on
Hot in on or start
Imoind
Indicator
Interior lights system
J12
K12
K15
Left turn signal indicator
Low fuel indicator
Low oil pressure indicator
M11
Main circuit
Maintenance required indicator
Mil
Mil indicator
Nep
Odometer/trip/outside air temperature lcd display
Oil pressure switch (on front of engine, at top right of oil pump housing)
P/ brk sw
Pnk
Power
Powertrain control module (behind center of dash)
Red
Right turn signal indicator
Seat belt reminder indicator
Side air bag cut-off indicator
Speedometer
Srs
Srs indicator
Starting/ charging system
Tachometer
Test techometer connector
To cruise control indicator (diagram 2 0f 2)
To lcd back light stabilizing circuit (diagram 2 of 2)
Usa
Vr+
Vr-
Vss out
Vtm-4 control unit (at left side of cargo area, behind rear side trim panel)
Vtm-4 lock indicator
Washer fluid level indicator (canada)
Washer fluid level switch (behind right side of front bumper, on washer reservoir)

Instrument Cluster Wiring Diagram (2 of 2) for Honda Pilot EX 2003

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Honda Pilot EX 2003:

(behind left side of dash) g502
(canada)
A13
A18
A19
A22
A30
Abs modulator control unit (at left side of engine compartment)
Anti-lock brakes system
B15
B16
Back light stabi-
Brake fluid level switch (integral to brake fluid reservoir cap)
Brake lamp indicator
C13
Canada
Circuit
Cpu
Cruise control indicator
Dash lights brightness controller
Dimming circuit
Drive circuit
Driver's door indicator
Driver's seat belt switch (under driver seat)
Drl control unit
Drl indicator
Failure display circuit
From maintenance required indicator (diagram 1 of 2)
From srs indicator (diagram 1 of 2)
Front passenger's door indicator
Fuel tank unit
Fuse 13 7.5a
G15
G16
G301 (at left front side of engine compartment, behind headlight)
G601 (below left front seat)
Gauge assembly
Gauge light (x8)
High beam indicator
Hot at all times
Immobilizer system indicator
Lcd
Lcd back light (x4)
Left rear door indicator
Lizing
Main circuit
Maintenance required indicator, outside air temperature, odometer/ trip ciruit
Opds unit (in right front seat)
Parking brake switch (at top of parking brake pedal)
Passenger's under-dash fuse/relay box (behind right kick panel)
Power circuit
Right rear door indicator
Select/ reset switch
Sending unit fuel gauge
Srs unit (behind lower center of dash)
Tailgate indicator
Usa

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Honda Pilot EX 2003

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Honda Pilot EX 2003:

(behind left end of dash)
(not
(not used)
0=off 1=on 2=door
A14
A15
A16
A17
A21
C14
C15
C16
C19
Driver's door courtesy light
Driver's door switch
Driver's under-dash fuse/relay box (behind left end of dash)
Drivers multiplex control unit
E10
F12
Front individual map lights
Front passenger's door courtesy light
Front passenger's door switch
Fuse 11 10a
G401 (behind upper left end of dash)
G501
G503 (behind right end of dash)
G652 (above right rear fender)
Gauge assembly
H10
H18
Hot at all times
In-line diode 1
In-line diode 2
In-line diode 3 (not used)
In-line diode 4
Instrument illumination circuit
Interior light relay
Interior light switch
Interior lights noise condenser (behind right side of dash)
Interior lights switch light
Keyless entry connector
Left
Left middle individual map light
Left rear door switch
Left rear individual map light
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Pnk
Red
Right
Right middle individual map light
Right rear door switch
Right rear individual map light
Tailgate latch switch
Tailgate lights
Used)

Courtesy Lamps Wiring Diagram (2 of 2) for Honda Pilot EX 2003

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Honda Pilot EX 2003:

A13
A15
A17
Door multiplex control unit (in driver's door)
Driver's door lock knob switch
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
Driver's vanity mirror light
Front passenger's vanity mirror light
Fuse 10 15a
Fuse 47 20a
G401 (behind upper
G401 (behind upper left end of dash)
G503 (behind right end of dash)
Glove box light
H14
Hot at all times
Ignition key light
Ignition key switch
Ignition key switch/ key light
Instrument illumination circuit
K16
Left end of dash)
Passenger's under-dash fuse/relay box (behind right kick panel)
Security connector (lx)
Taillight relay
Under-hood fuse/relay box (at right side engine compartment)

Instrument Illumination Wiring Diagram for Honda Pilot EX 2003

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List of elements for Instrument Illumination Wiring Diagram for Honda Pilot EX 2003:

(behind left end of dash) driver's under-dash fuse/relay box
(behind left side of dash) taillight relay
(ex-l)
(not used)
A10
A13
A18
A19
A20
A22
A26
A30
Audio unit
Auxiliary jack assembly (rear entertainment system)
B14
B16
B30
Cigarette lighter connector
Climate control unit
Combination light switch
Connector (lx)
Courtesy lamps circuit
Cruise control main switch
Dash lights brightness controller
Drive circuit
Driver's door lock switch (ex, ex-l)
Driver's multiplex control unit
Driver's seat heater switch (ex-l: canada)
Driver's under-dash fuse/relay box (behind left end of dash)
Dvd player unit (rear entertainment system)
Ex, ex-l
Front passenger's door lock switch (ex, ex-l)
Front passenger's seat heater switch (ex-l: canada)
Fuse 10 15a
Fuse 9 10a
G401 (behind upper left end of dash)
G501 (behind left end of dash)
G502 (behind left side of dash)
Gauge assembly
Hazard warning switch
Head
Head light switch
Heater control panel
Hot at all times
Hot in on or start
Interior light switch
J13
J16
K15
K16
L13
Lcd back light stabilizing circuit
Main circuit
Navigation display unit (ex-l)
Navigation unit
Off
Option connector
Park
Passenger's under-dash fuse/relay box (behind right kick panel)
Power mirror switch
Rear controller & screen (rear entertainment system)
Rear heater a/c- control unit
Red
Security
Vtm-4 lock switch
W/ rse

NAVIGATION

Navigation Wiring Diagram for Honda Pilot EX 2003

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List of elements for Navigation Wiring Diagram for Honda Pilot EX 2003:

A10
A11
A12
A13
A14
Acc
Accessory power socket relay
Amp sw +b
Aud l+
Audio unit
B sig
B10
B11
B12
B13
B14
B15
B16
B21
Back lt
Brake light failure sensor
C sig
Chg
Cruise control, air conditioning systems
Diag n
Diag p
Dip bus(-)
Disp bus(+)
Disp bus(-)
Driver's under-dash fuse/relay box (behind left end of dash)
Exterior lights system
Fuse 11 10a
Fuse 8 7.5a
Fuse 9 10a
Fuse 9 15a
G sig
G13
G501 (behind left end of dash)
G651 (below right front seat)
Gauge assembly
Gnd
Gnd aud
Gnd gps
Gnd sig
Gps
Gps antenna
Hot at all times
Hot in on or acc
Hot in on or start
Ill+
Ill-
Input antenna amp
Interior lights system
K11
M11
Mute
Navigation display unit
Navigation service check connector
Navigation unit (under right front seat)
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Powertrain control module (behind center of dash)
R sig
Radio sw
Red
Reverse relay
Scty1
Scty2
Security a4
Sh aud
Sh disp bus
Sh dsp bus
Sh sig
Sound systems
Starting/charging system
Vsp
Vss out

Parking Assistant Wiring Diagram for Honda Pilot EX 2003

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List of elements for Parking Assistant Wiring Diagram for Honda Pilot EX 2003:

Back-up sensor beeper
Back-up sensor beeper switch
Back-up sensor control unit
Back-up sensor in-line fuse
Brake light failure sensor (at right side of cargo area, on inside of rear side trim panel)
Driver's under-dash fuse/relay box (behind left end of dash)
Fuse 9 10a
G652 (above right rear fender)
Hot in on or start
Left center sensor
Left corner sensor
On indicator
Red
Reverse relay
Right center sensor
Right corner sensor

Rear Camera Wiring Diagram for Honda Pilot EX 2003

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List of elements for Rear Camera Wiring Diagram for Honda Pilot EX 2003:

A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Acc
Accessory power socket relay
B sig
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
Back lt
C sig
Driver's under-dash fuse/relay box (behind left end of dash)
Exterior lights system
Fuse 11 10a
Fuse 8 7.5a
Fuse 9 10a
Fuse 9 15a
G sig
G13
G501 (behind left end of dash)
G651 (below right front seat)
Gnd
Gnd sig
Hot at all times
Hot in on or acc
Hot in on or start
M11
Navigation display unit
Navigation unit (under right front seat)
Passenger's under-dash fuse/relay box (behind right kick panel)
Power
R sig
Rear view camera
Rear view camera control unit (under right front seat)
Red
Reverse relay
Sh sig

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Honda Pilot EX 2003

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List of elements for Power Distribution Wiring Diagram (1 of 4) for Honda Pilot EX 2003:

(at right side of engine compartment) under-hood fuse/relay box
(behind right kick panel) passenger's under-dash fuse/relay box
(not used)
A/c condenser fan relay
A/c compressor clutch relay
A17
Acc
Alternator
Battery
D10
Data link connector
Driver's power seat adjustment switch (ex, ex-l)
Driver's under-dash fuse/relay box (behind left end of dash)
Drl control unit (canada)
Electrical load detector (eld) unit
Front blower motor relay
Fuse 1 20a
Fuse 2 20a
Fuse 3 20a
Fuse 4 20a
Fuse 41 120a
Fuse 42 50a
Fuse 46 15a
Fuse 5 (not used)
Fuse 51 40a
Fuse 52 40a
Fuse 53 30a
Fuse 55 30a
Fuse 56 40a
Fuse 57 30a
Fuse 58 30a
Fuse 59 7.5a
Fuse 6 10a
H18
Ignition switch
Keyless entry connector
Lock
Option connector
Passenger's multiplex control unit
Pgm-fi main relay
Power power window window relay relay
Power window control unit
Radiator fan relay
Rear blower motor relay
Rear window defogger relay
Red
Seat heater relay (ex-l: canada)
Start
Starter
Starter solenoid
T101
To auxiliary fuse box (diagram 4 of 4)
To fuse 4 (diagram 2 of 4)
To fuse 47 (diagram 3 of 4)
To fuse 54 (diagram 3 of 4)
To fuse 6 (diagram 2 of 4)
To fuse 8 (diagram 4 of 4)
To starter cut relay (diagram 4 of 4)

Power Distribution Wiring Diagram (2 of 4) for Honda Pilot EX 2003

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List of elements for Power Distribution Wiring Diagram (2 of 4) for Honda Pilot EX 2003:

(at left side of engine compt) junction connector c104
(behind left end of dash) driver's under-dash fuse/relay box
(not used)
A/c compressor clutch relay
A11
A12
Abs modulator- control unit
Alternator
B10
B13
B26
Climate control unit (ex, ex-l)
Cruise control actuator
Cruise control main switch
D11
D13
D16
Drl control unit (canada)
Eld unit
Evap bypass solenoid valve
Evap canister purge valve
Evap canister vent shut valve
Fan control relay
From ignition switch (diagram 1 of 4)
Front blower motor relay
Fuse 10 7.5a
Fuse 11 15a
Fuse 12 30a
Fuse 3 7.5a
Fuse 4 7.5a
Fuse 5 10a
Fuse 6 15a
Fuse 7 7.5a
Gauge assembly
H12
H17
Hazard warning switch
Heater control panel (lx)
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Inter- mittent wiper relay
J12
J15
Junction connector c301 (under left side of dash)
L14
Lx ex, ex-l
M13
M14
M15
Opds unit
Option connector
Passenger's under-dash fuse/relay box (behind right kick panel)
Power mirror switch
Powertrain control module
Primary ho2s
Radiator fan control module
Rear blower motor relay
Rear mode control motor
Rear window defogger relay
Rear window wiper intermittent relay
Rear window wiper motor
Recirculation control motor
Seat heater relay (ex-l: canada)
Secondary ho2s
To fuse 1 (diagram 4 of 4)
Under-hood fuse/relay box (at right side of engine compt)
Vtm-4 control unit
Vtm-4 relay
Wind- shield wiper motor
Wiper/ washer switch
Wiper/washer switch

Power Distribution Wiring Diagram (3 of 4) for Honda Pilot EX 2003

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List of elements for Power Distribution Wiring Diagram (3 of 4) for Honda Pilot EX 2003:

(behind left end of dash) driver's under-dash fuse/relay box
(behind right kick panel) passenger's under-dash fuse/relay box
(ex-l)
(not used)
(w/ rear entertainment system)
+b clock
+b d/l
A10
A12
A23
A24
Accessory power socket relay
Audio unit
B15
B21
Brake pedal position switch
C19
Cigarette lighter (accessory installed)
Cigarette lighter connector (optional)
Door multiplex control unit
Driver's door courtesy light
Driver's multiplex control unit
Dvd player unit
E10
Ex, ex-l
Ex-l
F12
From fuse 41 & battery (diagram 1 of 4)
From fuse 59 (diagram 1 of 4)
Front accessory power socket
Front individual map lights
Front passenger's door courtesy light
Fuse 10 15a
Fuse 11 10a
Fuse 12 20a
Fuse 13 7.5a
Fuse 47 20a
Fuse 48 20a
Fuse 49 15a
Fuse 50 (not used)
Fuse 54 40a
Fuse 9 15a
G11
G13
G15
G16
G503 (behind right end of dash)
G651 (below right front seat)
Gauge assembly
H15
H18
Hazard warning switch
Headlight relay 1
Headlight relay 2
Horn relay
I12
I16
Ignition key light
Ignition key switch/key light
Interior light relay
Interior lights noise condenser
Interior lights system
J11
Key interlock switch
Keyless receiver unit
Left middle individual map light
Left rear individual map light
M19
Navi- gation unit
Navigation display unit
Navigation display unit (ex-l)
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Power- train control module
Radiator fan control module
Rear accessory power socket
Rear controller & screen
Red
Right middle individual map light
Right rear individual map light
Security indicator
Tailgate lights
Taillight relay
To fuse 8 (diagram 4 of 4)
Under-hood fuse/relay box (at right side of engine compartment)

Power Distribution Wiring Diagram (4 of 4) for Honda Pilot EX 2003

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List of elements for Power Distribution Wiring Diagram (4 of 4) for Honda Pilot EX 2003:

(at left front of engine compartment, to right of battery) auxiliary fuse box
(behind left end of dash) driver's under-dash fuse/relay box
(not used)
A16
A22
A24
Abs modulator control unit
Brake light failure sensor
C13
Canada
Cargo area accessory power socket
Console accessory power socket
Driver's multiplex control unit
From accessory socket relay (diagram 3 of 4)
From battery (diagram 1 of 4)
From ignition switch (diagram 1 of 4)
From pin a5 of driver's underdash h
Fuse 1 15a
Fuse 2 10a
Fuse 60 20a
Fuse 61 20a
Fuse 62 20a
Fuse 63 40a
Fuse 8 7.5a
Fuse 9 10a
Fuse/relay box (diagram 2 of 4)
G401 (behind upper left end of dash)
G501 (behind left end of dash)
G602 (above left rear fender)
Gauge asembly
Gauge assembly
Ig1 meter
Keyless entry connector
Keyless receiver unit (ex, ex-l)
M11
Option connector
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Pgm-fi main relay
Rear accessory power socket relay
Reverse relay
Shift lock solenoid
Srs unit
Starter cut relay
Vtm-4 lock switch
Vtm-4 relay

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, EX, EX-L (1 of 2) for Honda Pilot EX 2003

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List of elements for Power Door Locks Wiring Diagram, EX, EX-L (1 of 2) for Honda Pilot EX 2003:

(above right rear fender) g652
(below right front seat) g651
(not used)
+b clock
+b d/l
A10
A11
A12
A13
A14
A15
A16
A17
A21
A22
A23
A24
Antenna
B11
B14
B21
B22
Bus (door/dr)
Bus as
Bus dr
C14
C16
C20
D/l lock
D/l unlock
Door lock
Door unlock
Dr sw as
Dr sw dr
Dr sw ra
Dr sw rd
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
E10
E15
E17
Front passenger's door lock actuator
Fuse 12 20a
Fuse 13 7.5a
G16
G201 (behind right headlight)
G401 (behind upper left end of dash)
G501 (behind left end of dash)
G503 (behind right end of dash)
G601 (below left front seat)
G651 (below right front seat)
G652 (above right rear fender)
Gnd
H/l rly+
H14
Headlights system
Hood sw
Horn rly
Horns system
Hot at all times
I12
I14
Ig1
Ig1 meter
Igkey sw
Ignition key switch
Ignition key switch/ key light
Instrument cluster system
Interior lights system
Intrlt
K/c as lock
K/c as unlock
K/l lock
K/l panic
K/l unlock
Keyless receiver unit (behind right side of glove box)
Left rear door lock knob switch
Lock
M19
Nca
Panic
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Pnk
Radio sw
Rem as lock
Rem as unlock
Right rear door lock knob switch
Scty in
Security hood switch (at center front of engine compt)
Sgnd
Sil as unlock
Sil ra unlock
Sil rd unlock
Sound systems
T/g lock
T/g sw
T/g unlck
Tailgate key cylinder switch
Tailgate latch switch
Tailgate lights
Unlock

Power Door Locks Wiring Diagram, EX, EX-L (2 of 2) for Honda Pilot EX 2003

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List of elements for Power Door Locks Wiring Diagram, EX, EX-L (2 of 2) for Honda Pilot EX 2003:

(not used)
A12
A15
A16
A17
A18
Door multiplex control unit (in driver door)
Driver's door key cylinder switch
Driver's door lock actuator
Driver's door lock knob switch
Driver's door lock switch
Driver's door switch
Driver's under-dash fuse/relay box (behind left end of dash)
Front passenger's door key cylinder switch
Front passenger's door lock knob switch
Front passenger's door lock switch
Front passenger's door switch
Fuse 9 10a
G401 (behind upper left end of dash)
G652 (above right rear fender)
H16
Hot in on or start
Interior lights system
K13
Keyless entry connector
Left rear door lock actuator
Left rear door switch
Lock
Mirrors system
Mpx-dr
Pnk
Right rear door lock actuator
Right rear door switch
Security indicator
Tailgate lock actuator
Tailgate lock knob switch
Unlock
Vbu

Power Door Locks Wiring Diagram, LX for Honda Pilot EX 2003

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List of elements for Power Door Locks Wiring Diagram, LX for Honda Pilot EX 2003:

+b clock
+b d/l
A10
A11
A12
A13
A15
A16
A17
A18
A22
A23
A24
B11
Bus (door/dr)
Bus as
Bus dr
C20
D/l lock
D/l unlock
Door multiplex control unit (in driver door)
Dr sw dr
Dr sw rd
Driver's door key cylinder switch lock
Driver's door lock actuator
Driver's door lock knob switch
Driver's door lock switch
Driver's door switch
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
E10
E15
E17
Front passenger's door key cylinder switch
Front passenger's door lock actuator
Front passenger's door lock switch
Fuse 12 20a
Fuse 13 7.5a
Fuse 9 10a
G401 (behind upper left end of dash)
G501 (behind left end of dash)
G651 (below right front seat)
H14
Hot at all times
Hot in on or start
I14
Ig1 meter
Igkey sw
Ignition key switch
Ignition key switch/ key light
K/c as lock
K/c as unlock
K13
Left rear door lock actuator
Left rear door switch
Lock
M19
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Pnk
Rem as lock
Right rear door lock actuator
Security connector
Sgnd
Tailgate lock actuator
Unlk
Unlock
Vbu

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Honda Pilot EX 2003

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List of elements for Automatic Day/Night Mirror Wiring Diagram for Honda Pilot EX 2003:

(not
A/t gear position indicator
Atp-r
Automatic dimming inside mirror
Automatic dimming mirror in-line fuse
D10
Driver's underdash fuse/relay box (behind left end of dash)
Fuse 10a
Fuse 7.5a
G101 (at left rear of engine)
G401 (behind upper left end of dash)
Gauge assembly
Hot in on or start
Junction connector c106 (at center of engine compt)
K11
L15
Powertrain control module (behind center of dash)
Reverse relay
Transmission range switch (on transaxle end cover)
Used)

Power Mirror Wiring Diagram for Honda Pilot EX 2003

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List of elements for Power Mirror Wiring Diagram for Honda Pilot EX 2003:

(not used)
Defogger (canada)
Driver's under-dash fuse/relay box (behind left end of dash)
E11
E19
E20
Fuse 4 7.5a
G12
G601 (below left front seat)
G651 (below right front seat)
H11
H15
H17
Hot in on
Interior lights system
J12
J13
Left
Left down
Left power mirror
Left up
Left up switch 3
Left/right
M16
M17
M18
Mirror defogger switch (canada)
Passenger's under-dash fuse/relay box (behind right kick panel)
Pnk
Power mirror switch
Power mirror switch light
Red
Right
Right down
Right down switch 1
Right power mirror
Right up switch 2
Up/down

POWER SEATS

Heater Wiring Diagram, Canada for Honda Pilot EX 2003

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List of elements for Heater Wiring Diagram, Canada for Honda Pilot EX 2003:

(behind left end of dash) g501
Back heater
C10
Circuit breaker
Cushion heater
Driver's seat heater
Driver's seat heater switch
Driver's under-dash fuse/relay box (behind left end of dash)
Front passenger's seat heater
Front passenger's seat heater switch
Fuse 3 20a
Fuse 3 7.5a
G201 (behind right headlight)
G501 (behind left end of dash)
G601 (below left front seat)
G651 (below right front seat)
High
Hot at all times
Hot in on
Interior lights system
Low
On indicators
Passenger's under-dash fuse/relay box (behind right kick panel)
Red
Seat heater relay (at right front of engine compartment)
Seat heater switch light
Thermostat

Power Seat Wiring Diagram, EX, EX-L for Honda Pilot EX 2003

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List of elements for Power Seat Wiring Diagram, EX, EX-L for Honda Pilot EX 2003:

Backward
Down
Driver's power seat adjustment switch
Driver's power seat front up- down motor
Driver's power seat rear up- down motor
Driver's power seat recline motor
Driver's power seat slide motor
Forward
Fuse 2 20a
Fuse 4 20a
G601 (below left front seat)
Hot at all times
Passenger's under-dash fuse/relay box (behind right kick panel)
Red

POWER WINDOWS

Power Windows Wiring Diagram (1 of 2) for Honda Pilot EX 2003

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List of elements for Power Windows Wiring Diagram (1 of 2) for Honda Pilot EX 2003:

+b clock
40a
7.5a
A12
A14
A15
A16
A18
A19
A22
A24
Bus (door/dr)
Bus as
Bus dr
C11
C12
C16
Dr as sw
Dr sw dr
Driver's door switch
Driver's multiplex control unit
Driver's power window motor
Driver's under-dash fuse/relay box (behind left end of dash)
E14
E16
E18
F11
Front passenger's door switch
Fuse 1 20a
Fuse 10a
Fuse 13
Fuse 16 20a
Fuse 51
Fuse 7 20a
Fuse 8 20a
G10
G401 (behind upper left end of dash)
G651 (below right front seat)
Gnd
H14
Hot at all times
Hot in on or start
I12
Ig1 meter
L15
L16
Left rear power
Left rear power window switch
M19
P/w as dn
P/w as up
P/w main rly
P/w ra dn
P/w rd dn
P/w rd up
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Pnk
Power window relay
Pulser
Under-hood fuse/relay box (at right side of engine compartment)
Window motor

Power Windows Wiring Diagram (2 of 2) for Honda Pilot EX 2003

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List of elements for Power Windows Wiring Diagram (2 of 2) for Honda Pilot EX 2003:

(behind upper left end of dash) g401
(in driver door)
A10
A11
A12
A13
A14
A15
A20
Door multiplex control unit
Driver's switch
Front passenger's power window motor
Front passenger's power window switch
G601 (below left front seat)
Left rear switch
Main switch
Power window control unit (inside driver door)
Power window master switch 1 = auto up 2 = up 3 = off 4 = down 5 = auto down
Right front switch
Right rear power window motor
Right rear power window switch
Right rear switch

RADIO

Radio Wiring Diagram, EX, EX-L for Honda Pilot EX 2003

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List of elements for Radio Wiring Diagram, EX, EX-L for Honda Pilot EX 2003:

red
(behind right kick panel) passenger's under-dash fuse/relay box
(below right front seat) g651
(pins c1 to c10 not used)
(pins c12 to c21 not used)
20a
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Accessory power socket relay
Am/fm switch
Antenna
Antenna amplifier (at rear left of roof)
Antenna amplifier acc(+) radio re- mote sw sctyin
Antenna input
Antenna lead
Audio unit
B10
B11
B12
B13
B14
B21
Battery in
C11
C22
Cable reel
Cd changer (if equipped)
Ch switch
Dd(+)
Dd(-)
Dim ctrl+
Dim ctrl-
Driver's door speaker
Driver's under- dash fuse/relay box (below left end of dash)
Driver's under-dash fuse/relay box (below left end of dash)
E12
E13
Ex-l
Fpd(+)
Fpd(-)
Front passenger's door speaker
Fuse 15a
Fuse 48
Fuse 8 7.5a
G13
G401 (behind upper left end of dash)
G504 (behind center of dash)
Gnd
Gnd rg
H10
H11
H12
H13
Hot at all times
Hot in acc or on
Interior lights system
J10
J11
Lead jack
Left rear door speaker
Left tweeter
Lr(+)
Lr(-)
M11
Mute
Navigation display unit
Navigation unit (ex-l) (under right front seat)
Nca
Option connector
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Power distribution system
Radio remote switch
Rear woofer
Red
Rg l+
Right rear door speaker
Right tweeter
Rr(+)
Rr(-)
Steering wheel
Sub- antenna lead
Under-hood fuse/relay box (at right side of engine compartment)
Volume dn switch
Volume up switch
Window antenna

Radio Wiring Diagram, LX for Honda Pilot EX 2003

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List of elements for Radio Wiring Diagram, LX for Honda Pilot EX 2003:

rr (-) lr (-) fpd (-)
(if equipped) cassette tape player
(if equipped) cd changer
(if equipped) in-dash cd changer
(not used)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Acc (+)
Accessory power socket relay
Antenna
Antenna amp
Antenna amplifier (at rear left of roof)
Antenna in
Antenna lead
Antenna lead connector
Audio unit
B10
B11
B12
B13
B14
B21
Dd (+)
Dd (-) dim ctrl -
Dim ctrl + battery in
Driver's door speaker
Driver's under-dash fuse/relay box (behind left end of dash)
Driver's under-dash fuse/relay box (below left end of dash)
E12
E13
Front passenger's door speaker
Fuse 15a
Fuse 20a
Fuse 8 7.5a
G13
G504 (behind center of dash)
G651 (below right front seat)
Gnd
H10
H11
H12
H13
Hot at all times
Hot in acc or on
Interior lights system
J10
J11
Lead jack
Left rear door speaker
M11
Nca
Option connector
Passenger's multiplex control unit switch
Passenger's under-dash fuse/relay box (behind right kick panel)
Power distribution system
Radio
Red
Right rear door speaker
Security in rr (+) lr (+) fpd (+)
Sub-antenna lead
Under-hood fuse/relay box (at right side of engine compartment)
Window antenna

Rear Seat Entertainment Wiring Diagram, with DVD (1 of 2) for Honda Pilot EX 2003

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List of elements for Rear Seat Entertainment Wiring Diagram, with DVD (1 of 2) for Honda Pilot EX 2003:

(behind right kick panel) passenger's under-dash fuse/relay box
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Acc +
Accessory power socket relay
Antenna
Antenna amplifier
Antenna amplifier (at rear left of roof)
Antenna input
Antenna lead
Audio unit
Batt in
Dd +
Dd -
Dim +
Dimmer -
Driver's door speaker
Driver's under-dash fuse/relay box (behind left end of dash)
E12
E13
Fpd +
Front passenger's door speaker
Front seat)
Fuse 15a
Fuse 7.5a
G13
G504 (behind center of dash)
G651 (below right
Ground
H10
H11
H12
H13
Hot at all times
Hot in acc or on
Interior lights system
J10
J11
Lead jack
Left rear door speaker
Left tweeter
Lr +
Lr -
M11
Navigation system
Nca
Option connector
Passenger's under-dash fuse/relay box (behind right kick panel)
Power distribution system
Radio remote sw
Red
Rf -
Right rear door speaker
Right tweeter
Rr +
Rr -
Scty in
Sub-antenna lead
Window antenna

Rear Seat Entertainment Wiring Diagram, with DVD (2 of 2) for Honda Pilot EX 2003

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List of elements for Rear Seat Entertainment Wiring Diagram, with DVD (2 of 2) for Honda Pilot EX 2003:

(behind center of dash) g504
(behind upper left end of dash)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
Acc +
Am/fm switch
Anti-theft system
Aud 1 com
Aud 1 gnd
Aud 1 shld
Aud 2 com
Aud 3 gnd
Aud 3 shield
Aud com
Audio 3 gnd
Audio 3 shld
Audio gnd
Audio shield
Audio shld
Audio unit
Auxiliary jack assembly
B10
B11
B12
B13
B14
B15
B16
Bus data
Bus gnd
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
Cable reel
Ch switch
Com check
Com chk
Dvd player unit
Fuse 20a
G401
G501 (behind left end of dash)
Ground
Hot at all times
Ill +
Ill -
Ill 8v
Interior lights system
L ch
L ch 1
L ch 2
L ch 3
Left ch 2
Nca
Pnk
R ch
R ch 1
R ch 2
R ch 3
Radio remote switch
Rear controller and screen
Rear woofer
Red
Right ch 2
Scty in
Scty out
Security in
Serial data
Serial gnd
Serial shld
Shield
Steering wheel
Under-hood fuse/relay box (at right side of engine compartment)
Vid 3 shield
Video
Video 1
Video 1 gnd
Video 1 shld
Video 2
Video 2 gnd
Video 3
Video 3 gnd
Video 3 shld
Video gnd
Volume dn switch
Volume up switch
W (+)
W (-)

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Honda Pilot EX 2003

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List of elements for Shift Interlock Wiring Diagram for Honda Pilot EX 2003:

(not used)
A28
A32
Brake pedal position switch (at top of brake pedal arm)
C27
Driver's under-dash fuse/relay box (behind left end of dash)
Fuse 47 20a
Fuse 8 7.5a
G401 (behind upper left end of dash)
Hot at all times
Hot in acc or on
Ignition key switch/ key light
Key interlock solenoid
Key interlock switch
M11
M20
Park pin switch (in steering column)
Powertrain control module (behind center of dash)
Red
S option connector
Shift lock solenoid (in steering column)
Throttle position sensor (on left side of throttle body assembly)
Under-hood fuse/relay box (at right side of engine compartment)

STARTING/CHARGING

Charging Wiring Diagram for Honda Pilot EX 2003

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List of elements for Charging Wiring Diagram for Honda Pilot EX 2003:

A30
Alt ctrl sig
Alt fr sig
Alternator
B20
Battery
Charging system indicator
Driver's multiplex control unit (behind left end of dash)
Driver's under- dash fuse/ relay box (behind left end of dash)
Eld in- put
Eld unit
Fuse 15a
Fuse 41 120a
G1 (on left side of engine compt, near battery)
G201 (behind right headlight)
Gauge assembly
Ground
H12
Hot in on or start
Ignition input
J12
Junction connector c301
Load output
M14
Navigation unit (ex-l) (under right front seat)
Passenger's under-dash fuse/relay box (behind right kick panel)
Power distribution system
Powertrain control module (behind center of dash)
Starting circuit
T101
Transmission
Under-hood fuse/relay box (at right side of engine compt)

Starting Wiring Diagram for Honda Pilot EX 2003

Ottieni l'accesso a tutti gli schemi elettrici dell'auto

List of elements for Starting Wiring Diagram for Honda Pilot EX 2003:

(not used)
A24
Acc
At-s
Battery
D12
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
Eld unit
Fuse 13 7.5a
Fuse 41 120a
Fuse 42 50a
G1 (on left side of engine compartment, near battery)
G101 (at left rear of engine)
Ignition switch
Junction connector c104 (at left side of engine compartment)
Junction connector c106 (at center of engine compartment)
K18
L10
Lock
M12
Of dash)
Pgm-fi main relay
Power distribu- tion system
Powertrain control module (behind center
Start
Starter
Starter cut relay
Starter motor
Starter solenoid
Transmission
Transmission range switch (on transaxle end cover)
Under- hood fuse/ relay box (on right side of engine compt)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Honda Pilot EX 2003

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Honda Pilot EX 2003:

(behind left end of dash) g501
(below right front seat) g651
A10
A11
A12
A13
A14
A15
A16
A17
A18
B10
B11
B12
B13
B14
B15
B16
B17
B18
Bsdh
Bsdl
Bsdl (unbuckled)
Bsph
Bspl
Buckled
Cable reel
Caution: when ignition switch is on or has been turned off for less than 3 minutes, be careful not to bump srs unit, air bags could deploy
Data link connector (partial) (lower left side of dash)
Diag-h
Driver's air bag first inflator
Driver's air bag second inflator
Driver's multiplex control unit
Driver's seat belt switch (under driver's seat)
Driver's side air bag inflator
Driver's side impact sensor (at base of left "b" pillar)
Driver's under-dash fuse/relay box (behind left end of dash)
Front passenger's seat belt switch (under front passenger seat)
Front passenger's side air bag inflator
Front passenger's side impact sensor (at base of right "b" pillar)
Fuse 10a
Fuse 15a
Fuse 7.5a
G505 (behind lower center of dash)
G601 (below left front seat)
Gnd a
Gnd b
Hot in on or start
Ign in
K12
K14
Mes con
Mes connector
Odus
Red
Sadc1
Sadc2
Sadh1
Sadh2
Sapc1
Sapc2
Saph1
Saph2
Scs
Sdg
Sdv
Short contact
Spg
Spv
Srpdc
Srpdh
Srppc
Srpph
Srs ind
Srs unit (behind lower center of dash)
Ssdc
Ssdh
Sspc
Ssph
Steering wheel
Un- buckled
Unbuckled

Supplemental Restraints Wiring Diagram (2 of 2) for Honda Pilot EX 2003

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Honda Pilot EX 2003:

(behind left side of dash) g502
(below center console) g801
A23
Driver's seat belt tensioner
Front passenger's air bag first inflator
Front passenger's air bag second inflator
Front passenger's seat belt tensioner
Gauge assembly
Gnd
Lower element (lower four sensors in seat back)
Odus
Opds sensor
Opds unit (in right front seat)
Pow
Red
Sb1l, sb1s
Sb2l, sb2s
Sb3l, sb3s
Sb4l, sb4s
Sb5l, sb5s
Sb6l, sb6s
Seat belt reminder indicator
Side air bag cut-off indicator
Side element (right side of seat back)
Srs indicator
Srs indicator circuit
Ss1l, ss1s
Upper element (upper two sensors in seat back)
Wrn

TRANSMISSION

4WD Wiring Diagram for Honda Pilot EX 2003

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List of elements for 4WD Wiring Diagram for Honda Pilot EX 2003:

(above
(above left rear fender) g602
(left rear of engine) g101
(left side of engine compt) abs modulator control unit
(lower left side of dash)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
Auxiliary fuse box (left front of engine compt)
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
Braided
Computer data lines system
Data link connector
Differential oil temperature sensor
Driver's underdash fuse/relay box (behind left end of dash)
Firx
Fitx
Flp
Frp
Fsr
Fuse 10a
Fuse 15a
Fuse 20a
Fuse 7.5a
G101 (left rear of engine)
Gauge assembly
Hot at all times
Hot in on
Hot in on or start
Ig 1
Ig 2
Illum
Instrument cluster system
Interior lights system
Lcoh
Lcol
Left rear fender) g602
Left side clutch solenoid (under rear floor)
Let
Lock h
Lock sw
M14
M15
On ind
Parbrk
Parking brake switch (top of parking brake pedal)
Powertrain control module (right side of engine compt)
Pwr
Rcoh
Rcol
Rear differential
Red
Right side clutch solenoid
Rlp
Rrp
Scs
Tch
Tcl
Test tachometer connector (left side of engine compt)
Vtm-4 control unit (left side of cargo area, behind rear side trim panel)
Vtm-4 lock ind
Vtm-4 lock switch (middle of dash)
Vtm-4 relay (behind left side of dash)
Warn 1
Warn 2

A/T Wiring Diagram (1 of 3) for Honda Pilot EX 2003

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List of elements for A/T Wiring Diagram (1 of 3) for Honda Pilot EX 2003:

(at top of brake pedal arm) brake pedal position switch
(lower left side of dash) data link connector (dlc)
4th clutch pressure switch (on transaxle end cover)
A/t clutch pressure control solenoid valve a (on trans- mission housing)
A/t clutch pressure control solenoid valve b (on trans- mission housing)
A/t clutch pressure control solenoid valve c (on trans- mission housing)
A/t temp indicator
A10
A14
A19
A21
A22
A24
A32
Afsdl
Atfind
Atpnp
B10
B13
B14
B17
B18
B19
B20
B21
B22
B24
B25
Bksw
D5ind
Driver's underdash fuse/relay box (behind left end of dash)
Exterior lights, cruise control systems
Fasdl
Fuse 20a
Fuse 7.5a
G101 (left rear of engine)
Gauge assembly
Hot at all times
Hot in start
J/c c104 (left side of engine compt)
J/c c105 (center of engine compt)
J/c c106 (center of engine compt)
K-line
Lg1
Lg2
Lsa+
Lsa-
Lsb+
Lsb-
Lsc+
Lsc-
Nep
Op4sw
Passenger's underdash fuse/relay box (behind right kick panel)
Pg1
Pg2
Powertrain control module (pcm) (behind center of dash)
Red
Scs
Starting/ charging system
Stsw
Underhood fuse/relay box (right side of engine compt)
Vbu

A/T Wiring Diagram (2 of 3) for Honda Pilot EX 2003

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List of elements for A/T Wiring Diagram (2 of 3) for Honda Pilot EX 2003:

(on torque con- verter housing)
(on transaxle end cover)
3rd clutch pressure switch
A25
At-p
B10
Braided
C301 (under left side of dash)
Countershaft speed sensor (on top of transaxle)
D17
Driver's multiplex control unit
Driver's under- dash fuse/ relay box (behind left end of dash)
Driver's underdash fuse/relay box
Driver's underdash fuse/relay box (behind left end of dash)
Fuse 15a
G101 (left rear of engine)
G151 (at rear of transaxle)
Gauge assembly
Hot in on or start
J/c c106 (center of engine compt)
K10
Mainshaft speed sensor (on transaxle end cover)
Red
Shift control solenoid valve a
Shift control solenoid valve b
Shift control solenoid valve c
Tach
Test tachometer connector (left side of engine compt)
Torque converter clutch solenoid valve (on torque converter housing)
Vtm-4 control unit (left side of cargo area)

A/T Wiring Diagram (3 of 3) for Honda Pilot EX 2003

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List of elements for A/T Wiring Diagram (3 of 3) for Honda Pilot EX 2003:

(at rear of engine, on top of water passage) engine coolant temperature (ect) sensor
(center of engine compt) j/c c105
(center of engine compt) j/c c105 j/c c105
(lower front of engine) crankshaft position (ckp) sensor
(on left side of throttle body) throttle position (tp) sensor
(on transaxle end cover) atf temperature sensor
(top front of engine) camshaft position (cmp) sensor
A13
Atft
Atp2
Atpd3
Atpd4
Atpd5
Atpn
Atpr
Braided
C13
C18
C19
C20
C21
C24
C26
C27
C28
C29
C30
Climate control unit (ex, ex-l)
Cpu
Cruise control system
D10
D11
D12
D13
D14
D15
D16
Dimming circuit
Ect
G101 (left rear of engine)
G502 (behind
Gauge assembly
J/c c106 (center of engine compt)
Left side
Ncsg
Nmsg
Of dash)
Op3sw
Pnk
Powertrain control module (pcm) (behind center of dash)
Red
Sg2
Sha
Shb
Shc
Tdc1+
Tdc1-
Tdc2+
Tdc2-
Tps
Transmission range switch (on transaxle end cover)
Vbsol
Vcc1
Vcc2

WARNING SYSTEMS

Warning Systems Wiring Diagram for Honda Pilot EX 2003

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List of elements for Warning Systems Wiring Diagram for Honda Pilot EX 2003:

(behind
+b clock
15a
20a
7.5a
A12
A13
A16
A18
A22
A23
A24
Acgl
Alternator
B10
B11
B16
B17
Beeper
Bsdl (unbuckled)
Combination light switch
Driver's door switch
Driver's multiplex control unit
Driver's seat belt switch (under driver seat)
Driver's under-dash fuse/relay box (behind left end of dash)
Ex, ex-l
Fuse 10
Fuse 13
Fuse 47
Fuse 9 10a
G401 (behind upper left end of dash)
G501
G601 (below left front seat)
Gauge assembly
Head
Headlight switch
Hot at all times
Hot in on or start
I12
Ig1 meter
Igkey lt
Igkey switch
Ignition key light
Ignition key switch
Ignition key switch/ key light
Ill+
Interior lights system
K12
Left end of dash)
Low oil pressure indicator
M19
Off
Oil pressure switch
Oil pressure switch (on front of engine, at top right of oil pump housing)
Park
Passenger's under-dash fuse/relay box (behind right kick panel)
Seat belt reminder indicator
Security connector
Sgnd
Sml rly+
Sml rly-
Starting/ charging, navigation systems
Taillight relay
Under-hood fuse/relay box (at right side of engine compt)

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Honda Pilot EX 2003

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List of elements for Front Wiper/Washer Wiring Diagram for Honda Pilot EX 2003:

(behind right headlight)
(in multi- relay box) intermittent wiper relay
(not used)
A11
A21
A22
A23
A24
Anti-lock brakes system
At-p
B10
B11
B14
B15
B22
Bus as
Bus dr
Cruise control system
D17
D20
Drive in
Driver's multiplex control unit
Driver's under-dash fuse/relay box (behind left end of dash)
Fr int sw
Fr wash sw
Fr wip as
Fr wip rly
Fuse 12 30a
Fuse 9 10a
G101 (at left rear of engine)
G201
G201 (behind right headlight)
G301 (at left front side of engine compartment, behind headlight)
G401 (behind upper left end of dash)
G501 (behind left end of dash)
G503 (behind right end of dash)
High
Hot in on or start
Ig1 meter
Int
Int vr+
Int vr-
Intermittent dwell time controller
Junction connector c104 (at left side of engine compt)
L18
Low
Mist
Off
P/brk sw
Park
Parking brake switch (at top of parking brake pedal)
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Pnk
Powertrain control module (behind center of dash)
Run
Sgnd
Transmission range switch (on transaxle end cover)
Vsp
Vss out
Wash
Windshield washer motor (behind right side of front bumper, on washer reservoir)
Windshield wiper motor (left side of engine compt)
Wiper/washer switch

Rear Wiper/Washer Wiring Diagram for Honda Pilot EX 2003

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List of elements for Rear Wiper/Washer Wiring Diagram for Honda Pilot EX 2003:

(not used)
B12
B14
B15
B16
B18
Driver's under-dash fuse/relay box (behind left end of dash)
Fuse 7 7.5a
G201 (behind right headlight)
G652 (above right rear fender)
Hot in on or start
I13
Off
Park
Passenger's multiplex control unit
Passenger's under-dash fuse/relay box (behind right kick panel)
Rear window washer motor (behind right side of front bumper, on washer reservoir)
Rear window wiper intermittent relay (in multi- relay box)
Rear window wiper motor (behind liftgate trim panel)
Rear window wiper/washer switch
Rr int sw
Rr wash sw
Rr wip as
Rr wip rly
Run
Washer
Wiper/washer switch