Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Honda Prelude V

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ABS Fail-Safe RelayAbove underdash fuse/relay box, on bracket. (Схема №6)
ABS Pump Motor RelayIn underhood fuse/relay box. (Схема №4)
A/C Compressor Clutch RelayIn left front corner of engine compartment, on bracket. (Схема №4)
Accessory Socket RelayAbove underdash fuse/relay box, on bracket. (Схема №6)
A/T Reverse RelayAbove underdash fuse/relay box, on bracket. (Схема №6)
ATTS Fail-Safe Relay (Type SH)Above underdash fuse/relay box, on bracket. (Схема №6)
Blower Motor RelayOn front of underdash fuse/relay box. (Схема №6)
Condenser Fan RelayIn left front corner of engine compartment, on bracket. (Схема №4)
Dimmer RelayIn underhood fuse/relay box. (Схема №4)
Foglight Relay (2)Behind driver's left air vent.
Headlight RelayIn underhood fuse/relay box. (Схема №4)
Horn RelayAbove underdash fuse/relay box, on bracket. (Схема №6)
Light Flasher RelayOn back of lower left dash panel.
Moon Roof Close RelayOn front of underdash fuse/relay box. (Схема №6)
Moon Roof Open RelayOn front of underdash fuse/relay box. (Схема №6)
PGM-FI Main RelayBehind dash, left of steering column. (Схема №6)
Power Window RelayOn front of underdash fuse/relay box. (Схема №6)
Radiator Fan RelayIn underhood fuse/relay box. (Схема №4)
Rear Window Defogger RelayOn front of underdash fuse/relay box. (Схема №6)
Seat Heater Relay (Canada)Above underdash fuse/relay box, on bracket. (Схема №6)
Shift Lock Relay (A/T)Below center console, forward of gear shift lever. (Схема №7)
Starter Cut RelayBehind dash, left of steering column. (Схема №6)
Turn Signal/Hazard RelayOn front of underdash fuse/relay box. (Схема №6)
Unlock RelayOn lower left dash panel.
Windshield Wiper Intermittent RelayOn rear of left strut tower. (Схема №4)

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
A/C DiodeAbove left side of front passenger's footrest, taped to harness.
ATTS In-Line Fuse (Type SH)On underdash fuse/relay box.
Diode No. 1 (Foglights)Behind dash, above left kick panel, taped to harness.
Diode No. 2 (Foglights)Behind dash, above left kick panel, taped to harness.
Diode No. 3 (Foglights)Behind dash, above left kick panel, taped to harness.
Foglight In-Line FuseAbove underdash fuse/relay box, taped to harness.
Security Diode (2)Behind driver's left air vent.
Security In-Line Fuse Holder No. 1Behind dash, above left kick panel.
Security In-Line Fuse Holder No. 2Behind lower dash panel, left of steering column, taped to harness.
Security In-Line Fuse Holder No. 3Behind lower dash panel, left of steering column, taped to harness.
Shift Lock DiodeUnder front passenger's footrest, taped to ECM breakout.
SRS Fuse BlockOn front of underdash fuse/relay box. (Схема №6)
Turn Signal Light DiodeAbove underdash fuse/relay box, taped to harness.
Underdash Fuse/Relay BoxBehind left kick panel. (Схема №6)
Underhood Fuse/Relay BoxOn right rear corner of engine compartment. (Схема №4)

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
ABS Control UnitBehind right kick panel. (Схема №7)
ABS Modulator UnitIn left front of engine compartment.
ATTS Control Unit (Type SH)On underside of front passenger's footrest. (Схема №7)
Cruise Control UnitBehind dash, above accelerator pedal. (Схема №6)
Daytime Running Lights (DRL) Control Unit (Canada)Behind dash, above accelerator pedal. (Схема №6)
Engine Control Module (ECM)On underside of front passenger's footrest. (Схема №7)
Immobilizer Control UnitBehind dash, on left side of steering column. (Схема №6)
Multiplex Control Unit (Door)In driver's door. (Схема №8)
Multiplex Control Unit (Driver's)On rear of underdash fuse/relay box. (Схема №6)
Multiplex Control Unit (Passenger's)Behind right kick panel. (Схема №7)
Security Control UnitBehind dash, above accelerator pedal.
SRS UnitBelow center of dash. (Схема №7)
Transmission Control Module (TCM)On underside of front passenger's footrest. (Схема №7)

CONTROL UNITS

MOTORS

ComponentComponent Location
ABS Pump MotorOn ABS modulator unit.
Blower MotorBelow right side of dash.
Condenser Fan MotorBehind left side of radiator.
Door Lock Assembly (2)In rear of respective door.
Mode Control MotorBehind dash, on left side of heater assembly.
Moon Roof MotorOn rear underside of ceiling.
Radiator Fan MotorBehind right side of radiator.
Recirculation Control MotorBehind glove box, on blower unit.
Window Motor (2)In front of respective door.
Windshield Washer MotorBehind left side of front bumper, in washer fluid reservoir.
Windshield Wiper MotorBelow left side of air scoop.

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Wheel Sensor (4)On inside of respective wheel.
Coolant Temperature Sending UnitOn rear of cylinder head, below distributor assembly.
Countershaft Speed SensorOn top of transaxle. (Схема №2)
Crankshaft Position/Top Dead Center (CKP/TDC) SensorBehind crankshaft pulley, on oil pump. (Схема №1)
Cylinder Position (CYP) SensorIn distributor. (Схема №1)
Engine Coolant Temperature (ECT) SensorOn rear of cylinder head, below distributor assembly. (Схема №1)
Exhaust Gas Recirculation (EGR) Valve & Lift SensorOn rear of intake manifold. (Схема №1)
Fuel Tank Pressure SensorOn right side of firewall. (Схема №1)
Heated Oxygen Sensor (Primary HO2S)On underside of vehicle, front of TWC converter. (Схема №3)
Heated Oxygen Sensor (Secondary HO2S)On underside of vehicle, rear of TWC converter. (Схема №3)
Intake Air Temperature (IAT) SensorOn front of intake manifold. (Схема №1)
Knock Sensor (KS)On left side of engine, above oil filter. (Схема №1)
Lateral "G" Sensor (W/ ATTS)On left side of front passenger's footwell.
Mainshaft Speed SensorOn right rear of transaxle. (Схема №2)
Manifold Absolute Pressure (MAP) SensorOn top of throttle body. (Схема №1)
Oil Pressure Sensor, Left (W/ ATTS)On right side of ATTS unit.
Oil Pressure Sensor, Right (W/ ATTS)On top rear of ATTS unit.
Oil Temperature Sensor (W/ ATTS)On top center of ATTS unit.
Steering Angle Sensor (W/ ATTS)On steering column, behind combination switch.
Throttle Position (TP) SensorOn side of throttle body. (Схема №1)
Vehicle Speed Sensor (VSS)On top left of transaxle. (Схема №1)
Yaw Rate Sensor (W/ ATTS)In left front of trunk.

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
A/T Clutch Pressure Control Solenoid Valve "A"On right rear side of transaxle. (Схема №2)
A/T Clutch Pressure Control Solenoid Valve "B"On right rear side of transaxle. (Схема №2)
Cruise Control ActuatorOn right rear of engine compartment.
Evaporative Emission (EVAP) By-Pass Solenoid ValveOn right side of firewall, left of EVAP control canister. (Схема №1)
Evaporative Emission (EVAP) Control Canister Vent Shut ValveOn top of EVAP control canister. (Схема №1)
Evaporative Emission (EVAP) Purge Control Solenoid ValveOn right side of firewall. (Схема №1)
Exhaust Gas Recirculation (EGR) Control Solenoid ValveOn left side of engine compartment. (Схема №1)
Idle Air Control (IAC) ValveOn right side of intake manifold. (Схема №1)
Intake Air By-Pass (IAB) Control Solenoid ValveOn lower left side of engine. (Схема №1)
Intake Control Solenoid ValveOn front of right strut tower. (Схема №1)
Lock-Up Control Solenoid Valve & Shift Control Solenoid Valve "A" AssemblyOn top right front of transaxle. (Схема №2)
Shift Control Solenoid Valve "B"On lower right side of transaxle. (Схема №2)
Shift Control Solenoid Valve "C"On lower right side of transaxle. (Схема №2)
Shift Lock SolenoidBelow right side of gear selector.
Solenoid, Left (W/ ATTS)On top right of ATTS unit.
Solenoid, Linear (W/ ATTS)On top right of ATTS unit.
Solenoid, Right (W/ ATTS)On top right of ATTS unit.
VTEC Solenoid ValveOn rear of cylinder head, next to coolant inlet.

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
A/C Pressure SwitchOn lower right front side of radiator.
A/T Gear Position SwitchOn lower rear of transaxle. (Схема №2)
Back-Up Light SwitchOn top front of transaxle.
Brake Fluid Level SwitchIn brake fluid reservoir cap.
Brake SwitchBehind dash, on top of brake pedal support.
Clutch Interlock SwitchBehind dash, on top of clutch pedal support.
Clutch SwitchBehind dash, on top of clutch pedal support.
Disarm/Valet SwitchOn lower left dash panel.
Door Switch (2)In respective door pillar.
Driver's Seat Belt SwitchIn driver's seat belt buckle.
Engine Oil Pressure SwitchOn lower left of engine, below oil filter.
Hood SwitchOn front of engine compartment, next to hood latch.
Parking Brake SwitchAt base of park brake lever.
Parking Pin SwitchOn left side of base of shift lever.
Power Steering Pressure (PSP) SwitchOn lower left rear of engine compartment. (Схема №1)
Radiator Fan SwitchOn thermostat cover.
Trunk Latch SwitchOn center of trunk lid, at latch assembly.
VTEC Pressure SwitchOn rear of cylinder head, next to coolant inlet.
2nd Clutch Pressure SwitchOn top front of transaxle. (Схема №2)

SWITCHES

MISCELLANEOUS

ComponentComponent Location
A/C Compressor ClutchOn lower right front of engine.
A/C ThermostatBehind left side of glove box, in evaporator unit.
Accessory SocketOn center of dash, below radio.
AlternatorOn right side of engine.
ATTS Unit (Type SH)Between left drive shaft & transaxle.
Blower Motor ResistorsBehind glove box.
Cable ReelOn top of steering column, below steering wheel.
Dash Lights Brightness ControllerIn dash, left of steering column. (Схема №6)
Data Link Connector (DLC)On left side of front passenger's footwell. (Схема №5)
Distributor AssemblyOn rear of cylinder head.
Electrical Load Detector (ELD) UnitIn underhood fuse/relay box. (Схема №1)
Fuel Injector (4)On top of engine, at each cylinder intake port.
Fuel PumpOn top of fuel tank.
Fuel Tank UnitOn top of fuel tank.
Ignition CoilOn rear of engine.
Immobilizer ReceiverOn ignition key cylinder.
Junction Connector C112Behind dash, left of steering column.
Junction Connector C117At underside of engine, right of oil filter.
Junction Connector C306Behind left kick panel, taped to harness.
Junction Connector C406Behind left side of dash, taped to harness.
Junction Connector C456Behind right kick panel, taped to harness.
Junction Connector C479Left of front passenger's footwell area, taped to harness.
Junction Connector C559On rear left side of dashboard, taped to harness.
Multiplex Control Unit Inspection ConnectorBehind dash, left of steering column.
Rear Window Defogger CoilOn underside of rear shelf.
Service Check ConnectorOn left side of front passenger's footwell. (Схема №5)
SirenBehind left side of front bumper.
SRS Memory Erase Signal (MES) ConnectorBehind dash, left of steering column.
StarterOn rear of engine, on top of transaxle.
Stereo AmplifierOn underside of rear shelf.
Test Tachometer ConnectorOn front of right strut tower.
Thermal ProtectorOn rear of A/C compressor.
Trailer Lighting ConnectorOn left rear of trunk, taped to harness.

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
C119 (Gray, 10-Pin)Above transaxle.
C140 (Gray, 10-Pin)At right side of engine compartment.
C141 (Gray, 14-Pin)At right side of engine compartment.
C142 (Blue, 14-Pin)At right side of engine compartment.
C143 (A/T) (Gray, 14-Pin)At right side of engine compartment.
C143 (M/T) (Gray, 8-Pin)At right side of engine compartment.
C144 (Blue, 14-Pin)At right side of engine compartment.
C146 (Gray, 8-Pin)At underside of engine, left of transaxle.
C201 (Green, 12-Pin)Behind right side of dash.
C301 (Gray, 14-Pin)Behind right kick panel.
C302 (Gray, 14-Pin)Behind left kick panel.
C303 (Brown, 7-Pin)Behind left kick panel.
C314 (Orange, 10-Pin)At left side of engine compartment.
C402 (Gray, 16-Pin)Behind upper left side of dash.
C403 (Gray, 20-Pin)Behind upper left side of dash.
C410 (Gray, 6-Pin)Behind dash, left of steering column, on bracket.
C412 (Gray, 10-Pin)Behind dash, left of steering column, on bracket.
C430 (Green/Gray, 25-Pin)In driver's door jam.
C453 (Except SH) (M/T) (Gray, 6-Pin)In driver's door jam.
C453 (SH) (A/T) (Gray, 22-Pin)Above left side of front passenger's footrest.
C454 (Gray, 20-Pin)Above left side of front passenger's footrest.
C461 (Except SH & Canada) (Gray, 8-Pin)Above left side of front passenger's footrest.
C461 (SH & Canada) (Gray, 12-Pin)Behind right kick panel.
C462 (Gray, 22-Pin)Behind right kick panel.
C463 (Gray, 6-Pin)Behind right side of dash.
C464 (Green/Gray, 25-Pin)In passenger's door jam.
C482 (Except SH) (Gray, 10-Pin)Below center of dash.
C483 (Green, 12-Pin)Below center of dash.
C486 (Gray, 8-Pin)Below console.
C517 (Gray, 10-Pin)At right side of trunk.
C569 (Gray, 8-Pin)Below center of dash.
C604 (Gray, 6-Pin)On inside of right taillight assembly.
C607 (Gray, 6-Pin)On inside of left taillight assembly.
C654 (Gray, 6-Pin)In driver's door.
C657 (Gray, 6-Pin)In driver's door.
C687 (Gray, 6-Pin)In passenger's door.

CONNECTORS

GROUNDS

ComponentComponent Location
G1At right front side of engine compartment. (Схема №1)
G2At left side of engine compartment. (Схема №1)
G3Behind center of front bumper. (Схема №1)
G101At top rear side of engine. (Схема №1)
G201At right front corner of engine compartment. (Схема №1)
G301At left front corner of engine compartment. (Схема №4)
G302At left front corner of engine compartment. (Схема №4)
G401Behind left kick panel. (Схема №7)
G402Behind right kick panel. (Схема №7)
G403Behind right kick panel. (Схема №7)
G404Behind right kick panel. (Схема №7)
G471At left side of front passenger's footwell. (Схема №7)
G501Under front passenger's seat.
G551At right side of driver's footwell. (Схема №6)
G601At right rear side of trunk.
G801At right side of driver's footwell. (Схема №6)
G901Behind right side of dash.

GROUNDS