ENGINE PERFORMANCE – Acura MDX 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.5L

3.5L, Engine Performance Wiring Diagram (1 of 5) for Acura MDX 2003

List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 5) for Acura MDX 2003:

• (center
• (center of engine compt) j/c c104
• (front of) engine)
• (middle of engine compt) map sensor
• (middle of engine compt) throttle actuator control module
• (on transaxle
• (rear of engine)
• (top of transaxle) countershaft speed sensor
• A/c system
• Afshtc b1
• Afshtc b2
• Altc
• Altf
• Atft
• B22
• Ckp sensor (a & b) (front of engine)
• Ckpa
• Ckpb
• Climate control unit
• Cmp
• Cmp sensor (right side
• Conn a (partial)
• Ect
• Ect sensor
• Egr
• Egrp
• End cover atf temperature sensor
• Fuel injectors
• G101 (left rear of engine)
• Iat1
• Igls1
• Igls2
• Igls3
• Igls4
• Igls5
• Igls6
• Igp
• Imrc actuator
• Imrc+
• Imrc-
• Imrcm
• Inj1
• Inj2
• Inj3
• Inj4
• Inj5
• Inj6
• Ipb1
• Ipb2
• J/c c103 (center of engine compt)
• Lg1
• Lg2
• Map
• Minh
• Minhi
• Of engine compt)
• Of engine compt) j/c c104
• Op3sw
• Op4sw
• Pcs
• Pdsw
• Powertrain control module (right side of engine compt)
• Red
• Rly
• Sedf
• Sefd
• Sg1
• Sg2
• Sha
• Shb
• Shc
• Sho2s b1
• Sho2s b2
• So2shtc b1
• So2shtc b2
• Vbsol
• Vbu
• Vcc1
• Vcc2
• Vcentb1
• Vcentb2
• Vlblb1
• Vlblb2
• Vsb1
• Vsb2
• Vtec oil pressure switch (right front of engine)
• Vtpsw
• Vts

3.5L, Engine Performance Wiring Diagram (2 of 5) for Acura MDX 2003

List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 5) for Acura MDX 2003:

• (front of engine) vtec solenoid valve
• (on intake manifold)
• (on torque converter housing)
• (on torque converter housing) shift solenoid valves
• (top rear of intake manifold evap canister purge valve
• A/f sensor (front) (b1, s1) (middle of engine compt)
• A/f sensor (rear) (b1, s1) (rear of engine, in exhaust)
• Alternator
• B10
• Braid
• Driver's underdash fuse/ relay box (behind left end of dash)
• Egr valve & egr valve position sensor (rear of left cylinder head)
• Fuse 15a
• Fuse 7.5a
• G101 (left rear of engine)
• H12
• Hot at all times
• Hot in on or start
• Iat sensor 1
• J/c c103 (center of engine compt)
• J/c c104
• J/c c104 (center of engine compt)
• J12
• Mainsahft speed sensor (on transaxle)
• Not used
• Passenger's underdash fuse/ relay box (behind right kick panel)
• Red
• Secondary ho2s (front) (b2, s2) (on front bank exhaust manifold)
• Secondary ho2s (rear) (b1, s2) (on catalytic converter)
• Torque converter clutch solenoid
• Underhood sub-fuse box (left side of engine compt)

3.5L, Engine Performance Wiring Diagram (3 of 5) for Acura MDX 2003

List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 5) for Acura MDX 2003:

• (on transaxle end cover)
• 3rd clutch pressure switch
• 4th clutch pressure switch
• A17
• Braid
• Brake pedal position switch (top of brake arm)
• Fuse 15a
• Fuse 20a
• Fuse 7.5a
• G101 (left rear of engine)
• Hot at all times
• Icm
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil relay (under left side of dash)
• J/c c103 (center of engine compt)
• J/c c104
• Knock sensor (top of engine block)
• Pgm-fi main relay (under left side of dash)
• Throttle actuator control module relay (under left side of dash)
• Underhood fuse/ relay box (right side of engine compt)
• Underhood sub-fuse box (left side of engine compt)

3.5L, Engine Performance Wiring Diagram (4 of 5) for Acura MDX 2003

List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 5) for Acura MDX 2003:

• (behind right end of dash) g401
• (below left front seat) g601
• (left end of dash) g401
• 2 position cancel
• A/t gear circuit
• A/t shift switch
• A/t temp
• A10
• A11
• A12
• A13
• A24
• A27
• A28
• A30
• C10
• Driver's underdash fuse/ relay box (behind left end of dash)
• Exterior lights system
• Fuel gauge sending unit (part of fuel tank unit)
• Fuel tank unit
• Fuse 10a
• Fuse 15a
• G501 (behind left end of dash)
• Gauge assembly
• Hot in on or start
• Low hold switch
• Main circuit
• Mil
• Passenger's underdash fuse/ relay box (behind right kick panel)
• Pgm-fi main relay 2 (under left side of dash)
• Pnk
• Shift lock system
• Tachometer test connector (left side of engine compt)
• Vtm-4 control unit (right side of cargo area)

3.5L, Engine Performance Wiring Diagram (5 of 5) for Acura MDX 2003

List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 5) for Acura MDX 2003:

• (behind right end of dash) g401
• (behind right headlamp) g201
• (left side of engine compt) evap canister vent shut valve
• (on transmission housing) a/t clutch pressure control solenoid valves
• (right side of engine compt) engine mount control solenoid valve
• (under left side of floor) evap bypass solenoid valve
• 2wbs
• A/c system
• A/f sensor relay (under left side of dash)
• Acc
• Acs
• Afshtcr
• App sensor (right side of engine compt)
• Aps1
• Aps2
• Atfind
• Atp d3
• Atp d4
• Atp d5
• Atp f
• Atp n
• Atp p
• Atp r
• Atp2
• B19
• Bksw
• Bkswnc
• Can h
• Can l
• Ccind
• Ccmsw
• Ccress
• Ccsets
• Computer data lines system
• Conn a
• Conn b
• Cooling fans system
• Cruise control system
• D14
• D5ind
• Data link connector (lower left side of dash)
• Driver's underdash fuse/ relay box
• Ectout
• Eld
• Eld unit
• Except navigation
• F-lvl 1
• F-lvl 2
• Fan ch
• Fancl
• Ftp
• Ftp sensor (under
• Fup
• Fuse 15a
• G101 (left rear of engine)
• Hot at all times
• Iat sensor 2 (in air intake tube)
• Iat2
• Immobilizer control unit receiver (in steering column)
• Imocd
• Imofpr
• K-line
• Left side of floor)
• Lhsw
• Lsa+
• Lsa-
• Lsb+
• Lsb-
• Lsc+
• Lsc-
• Mcs
• Mil
• Mrly
• Multi- information display unit
• Nep
• Not used
• Pnk
• Power distribution system
• Powertrain control module (right side of engine compt)
• Psp switch (on power steering pressure line, near gearbox)
• Pspsw
• Red
• Scs
• Sens 1
• Sens 2
• Sg3
• Sg4
• Sg5
• Shift inter- lock system
• Sls
• Starting system
• Transmission range switch
• Underhood fuse/relay box (right side of engine compt)
• Underhood sub-fuse box (left side of engine compt)
• Vcc3
• Vcc4
• Vcc5
• Vssout
• Vsv
• Wen