2001 HONDA Odyssey

Honda Odyssey EX 2001 - BUZZERS, RELAYS & TIMERS

Honda Odyssey EX 2001 BUZZERS, RELAYS & TIMERS LOCATION

Component	Component Location
ABS Fail-Safe Relay	At right side of engine compartment, near windshield washer reservoir.
ABS Pump Motor Relay	At right side of engine compartment, near windshield washer reservoir.
Accessory Power Socket Relay	In passenger's underdash fuse/relay box.
A/C Compressor Clutch Relay	In underhood fuse/relay box.
Condenser Fan Relay	In underhood fuse/relay box.
Fan Control Relay	At right side of engine compartment, near windshield washer reservoir.
Foglight Relay No. 1	Below left side of dash.
Foglight Relay No. 2	At right front corner of engine compartment.
Front Blower Motor High Relay	Behind glove box, on HVAC assembly.
Front Blower Motor Relay	In underhood fuse/relay box.
Fuel Fill Door Relay	Behind left rear side trim panel.
Headlight Relay No. 1	In underhood fuse/relay box.
Headlight Relay No. 2	In underhood fuse/relay box.
Horn Relay	In underhood fuse/relay box.
Interior Lights Relay	Behind left side of dash.
Intermittent Wiper Relay	In multi-fuse/relay box.
Light Flasher Relay	Below left side of dash.
Low Beam Cut Relay	Behind left side of dash.
PGM-FI Main Relay	Below left side of dash.
Power Window Relay	In passenger's underdash fuse/relay box.
Radiator Fan Relay	In underhood fuse/relay box.
Rear Blower Motor High Relay	Behind rear blower unit.
Rear Blower Motor Low Relay	Behind rear HVAC assembly.
Rear Blower Motor Main Relay	Behind rear HVAC assembly.
Rear Blower Motor Middle Relay	Behind rear HVAC assembly.
Rear Mode Control Motor Relay	Behind rear HVAC assembly.
Rear Power Quarter Window Close Relay (Left)	At left rear of cargo area, on pillar.
Rear Power Quarter Window Close Relay (Right)	At right rear of cargo area, on pillar
Rear Power Quarter Window Open Relay (Left)	At left rear of cargo area, on pillar.
Rear Power Quarter Window Open Relay (Right)	At right rear of cargo area, on pillar.
Rear Window Defogger Relay	In passenger's underdash fuse/relay box.
Reverse Relay	In driver's underdash fuse/relay box.
Starter Cut Relay	In driver's underdash fuse/relay box.
Taillight Relay	Behind left side of dash.
TCS Relay	In multi-fuse/relay box.
Turn Signal/Hazard Relay	In driver's underdash fuse/relay box.
Unlock Relay	Below left side of dash.

Honda Odyssey EX 2001 - CIRCUIT PROTECTION DEVICES

Honda Odyssey EX 2001 CIRCUIT PROTECTION DEVICES LOCATION

Component	Component Location
Driver's Underdash Fuse/Relay Box	Below left end of dash.
Foglight In-Line Fuse	At left side of engine compartment, near battery.
In-Line Fuse No. 1	Behind left side of dash.
In-Line Fuse No. 2	Behind left side of dash.
In-Line Fuse No. 3	Behind left side of dash.
Multi-Fuse/Relay Box	At left front of engine compartment.
Passenger's Underdash Fuse/Relay Box	Behind right kick panel.
Security In-Line Fuse	Behind left side of dash.
Underhood Fuse/Relay Box	At right side of engine compartment.

Honda Odyssey EX 2001 - CONTROL UNITS

Honda Odyssey EX 2001 CONTROL UNITS LOCATION

Component	Component Location
ABS Control Unit	Below left side of dash.
ABS-TCS Control Unit	Below left side of dash.
Cruise Control Unit	Under dash, right of steering column.
Door Multiplex Control Unit	In driver's door.
Driver's Multiplex Control Unit	In driver's underdash fuse/relay box. See Fig. 5 .
DRL Control Unit	Behind center of dash.
ELD Unit	In underhood fuse/relay box. See Fig. 1 .
Immobilizer Receiver Unit	On steering column, near steering lock.
Keyless Control Unit	Behind dash, right of steering column.
Keyless Receiver Unit	Behind right end of dash.
Keyless & Security Control Unit	Behind dash, right of steering column.
Navigation Unit	Below passenger's seat.
Passenger's Multiplex Control Unit	In passenger's underdash fuse/relay box.
Power Sliding Door Control Unit (Left)	Behind left rear side trim panel.
Power Sliding Door Control Unit (Right)	Behind right rear side trim panel.
Powertrain Control Module (PCM)	Behind lower center of dash. See Fig. 5 .
Rear Window Wiper Intermittent Control Unit	On left rear fenderwell, in cargo area.
Security Control Unit	Behind dash, right of steering column.
Sliding Door Lock Control Unit	In left sliding door.
SRS Unit	Behind lower center of dash.

Honda Odyssey EX 2001 - MOTORS

Honda Odyssey EX 2001 MOTORS LOCATION

Component	Component Location
ABS Pump Motor	At left side of engine compartment, near battery.
Air Mix Control Motor	Below center of dash, on HVAC assembly. See Fig. 6 .
Condenser Fan Motor	Behind right side of radiator.
Cruise Control Actuator	At right front corner of engine compartment.
Front Blower Motor	Below glove box, on bottom of HVAC assembly.
Fuel Pump	In top of fuel tank.
Idle Air Control (IAC) Valve	On bottom of throttle body assembly. See Fig. 1 .
Mode Control Motor	Behind left side of dash, on end of HVAC assembly. See Fig. 6 .
Radiator Fan Motor	Behind left side of radiator.
Rear Blower Motor	Back side of rear HVAC assembly.
Rear Heater-A/C Mode Control Motor	Back side of rear HVAC assembly.
Rear Power Quarter Window Motor (Left)	At left rear of cargo area, on rear pillar.
Rear Power Quarter Window Motor (Right)	At right rear of cargo area, on rear pillar.
Rear Washer Motor	At bottom of windshield washer reservoir.
Rear Wiper Motor	Behind tailgate trim panel.
Recirculation Control Motor	Behind glove box, on HVAC assembly. See Fig. 6 .
Windshield Washer Motor	At bottom of windshield washer reservoir.
Windshield Wiper Motor	Behind brake master cylinder booster, beneath cover.

Honda Odyssey EX 2001 - SENDING UNITS & SENSORS

Honda Odyssey EX 2001 SENDING UNITS & SENSORS LOCATION

Component	Component Location
Brake Light Failure Sensor	At left rear of cargo area.
Countershaft Speed Sensor	On transaxle housing. See Fig. 4 .
Crankshaft Position (CKP) Sensor	On front of engine, behind crankshaft pulley. See Fig. 1 .
Engine Coolant Temperature (ECT) Sensor	At top rear of engine, on water jacket. See Fig. 2 .
Engine Coolant Temperature Sending Unit	At top rear of engine, on water jacket. See Fig. 2 .
Evaporator Temperature Sensor	Behind glove box, on HVAC assembly. See Fig. 6 .
Fuel Tank Pressure Sensor	Under front of vehicle, near EVAP canister.
In-Car Temperature Sensor	Behind dash, to right of steering column.
Intake Air Temperature (IAT) Sensor	At top right rear of engine, on intake manifold. See Fig. 1 .
Knock Sensor (KS)	On left side of engine. See Fig. 1 .
Mainshaft Speed Sensor	On transaxle end cover. See Fig. 4 .
Manifold Absolute Pressure (MAP) Sensor	On top of throttle body assembly. See Fig. 1 .
Outside Air Temperature Sensor	Behind right side of front bumper.
Primary Heated Oxygen Sensor (HO2S)	In exhaust pipe, forward of catalytic converter. See Fig. 3 .
Secondary Heated Oxygen Sensor (HO2S)	On catalytic converter. See Fig. 3 .
Sunlight Sensor	On top center of dash.
Throttle Position (TP) Sensor	On side of throttle body assembly. See Fig. 1 .
Top Dead Center No. 1 (TDC1) Sensor	Behind front camshaft pulley, attached to back cover. See Fig. 1 .
Top Dead Center No. 2 (TDC2) Sensor	Behind front camshaft pulley, attached to back cover. See Fig. 1 .
Vehicle Speed Pulse (VSP) Sensor	Below master cylinder.

Honda Odyssey EX 2001 - SOLENOIDS & SOLENOID VALVES

Honda Odyssey EX 2001 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Component Location
ABS Control Unit	Below left side of dash.
ABS Modulator Unit	At left side of engine compartment, near battery.
ABS-TCS Control Unit	Below left side of dash.
ABS-TCS Modulator Unit	At left side of engine compartment, near battery.
A/T Clutch Pressure Control Solenoid Valve "A"	On transaxle housing. See Fig. 4 .
A/T Clutch Pressure Control Solenoid Valve "B"	On transaxle housing. See Fig. 4 .
Cruise Control Actuator	At right front corner of engine compartment.
EGR Valve	On top left rear of engine. See Fig. 2 .
Engine Mount Control Solenoid Valve	At front center of engine compartment, behind radiator.
Evaporative Emission (EVAP) By-Pass Solenoid Valve	Under front of vehicle, near EVAP canister.
Evaporative Emission (EVAP) Control Canister Vent Shut Valve	Under front of vehicle, near EVAP canister.
Evaporative Emission (EVAP) Purge Control Solenoid Valve	At rear of engine compartment, left of brake booster.
Key Interlock Solenoid	Integral to steering lock. See Fig. 5 .
Lock-Up Control Solenoid Valve	On transaxle torque converter housing. See Fig. 4 .
Shift Control Solenoid Valve "A"	On transaxle torque converter housing. See Fig. 4 .
Shift Control Solenoid Valve "B"	On transaxle torque converter housing. See Fig. 4 .
Shift Control Solenoid Valve "C"	On transaxle torque converter housing. See Fig. 4 .
Shift Lock Solenoid	At top of steering column. See Fig. 5 .
VTEC Solenoid Valve	On lower front of engine, near oil filter.

Honda Odyssey EX 2001 - SWITCHES

Honda Odyssey EX 2001 SWITCHES LOCATION

Component	Component Location
A/C Pressure Switch	At right side of engine compartment, on A/C receiver line.
A/T Gear Position Switch	On transaxle end cover. See Fig. 4 .
Brake Fluid Level Switch	In brake fluid reservoir cap.
Brake Switch	On brake pedal bracket.
Driver's Seat Belt Switch	In driver's seat belt buckle.
Engine Oil Pressure Switch	At front of engine, on right side of oil pump housing.
Hood Switch	At left front side of engine compartment.
Parking Brake Switch	On parking brake pedal assembly.
Park Pin Switch	At top of steering column. See Fig. 5 .
Power Steering Pressure (PSP) Switch	On power steering pressure line. See Fig. 1 .
Radiator Fan Switch "A"	At top rear of engine, near thermostat cover. See Fig. 2 .
Radiator Fan Switch "B"	At top rear of engine, near thermostat cover. See Fig. 2 .
VTEC Pressure Switch	On lower front of engine, near oil filter.
Washer Fluid Level Switch	At washer fluid reservoir.
2nd Clutch Pressure Switch	On transaxle housing. See Fig. 4 .
3rd Clutch Pressure Switch	On transaxle housing. See Fig. 4 .

Honda Odyssey EX 2001 - MISCELLANEOUS

Honda Odyssey EX 2001 MISCELLANEOUS LOCATION

Component	Component Location
A/C Diode "A"	In passenger's underdash fuse/relay box.
A/C Diode "B"	Below right end of dash.
A/C Diode "C"	Below right end of dash.
Blower Power Transistor	Behind right side of dash, near blower motor.
Data Link Connector (DLC)	Below left side of dash.
Foglight Diode	Below steering column.
Front Blower Resistor	Behind glove box. See Fig. 6 .
Junction Connector C104	At left side of engine compartment.
Junction Connector C105	At left side of engine compartment.
Junction Connector C106	Under middle of dash.
Junction Connector C107	Under middle of dash.
Multiplex Control Inspection Connector	Below left side of dash.
Rear Blower Resistor	On rear blower unit.
Security Diode	Behind right kick panel.
SRS Memory Erase Signal (MES) Connector	In driver's underdash fuse/relay box.
Test Tachometer Connector	At rear of engine compartment, on top of brake booster.
Trailer Lighting Connector	At upper left side of cargo area.

Honda Odyssey EX 2001 - CONNECTORS

Honda Odyssey EX 2001 CONNECTORS LOCATION

Component	Component Location
C101 (Gray, 10-Pin)	At left side of engine compartment.
C102 (Gray, 14-Pin)	At left side of engine compartment.
C103 (Gray, 1-Pin)	At right side of engine compartment.
C108 (Gray, 1-Pin)	At left side of engine compartment.
C151 (Gray, 8-Pin)	At left side of engine compartment.
C201 (Brown, 7-Pin)	Under right side of dash.
C202 (Light Blue, 6-Pin)	Under right side of dash.
C203 (Blue, 16-Pin)	Behind right kick panel.
C204 (Gray, 2-Pin)	Behind right kick panel.
C205 (Yellow, 4-Pin)	Below right side of dash.
C301 (Gray, 20-Pin)	Under left side of dash.
C302 (Brown, 2-Pin)	Under left side of dash.
C303 (Light Blue, 24-Pin)	Behind left kick panel.
C304 (Yellow, 4-Pin)	Behind left kick panel.
C401 (EX) (Gray, 20-Pin)	Under left side of dash.
C401 (EX) (W/ Navigation) (Gray, 22-Pin)	Under left side of dash.
C401 (LX) (Gray, 14-Pin)	Under left side of dash.
C402 (Light Blue, 24-Pin)	Under left side of dash.
C403 (Gray, 3-Pin)	Under left side of dash.
C404 (Gray, 4-Pin)	Under left side of dash.
C451 (EX) (Gray, 14-Pin)	Behind right kick panel.
C451 (LX) (Light Blue, 16-Pin)	Behind right kick panel.
C452 (Brown, 1-Pin)	Behind right kick panel.
C501 (Gray, 22-Pin)	Behind left kick panel.
C502 (EX) (Gray, 22-Pin)	Behind left kick panel.
C502 (LX) (Gray, 8-Pin)	Behind left kick panel.
C503 (Yellow, 3-Pin)	Behind left kick panel.
C504 (W/Navigation) (Gray, 8-Pin)	Under middle of dash.
C504 (W/O) Navigation) (Gray, 2-Pin)	Under middle of dash.
C505 (Blue, 16-Pin)	Behind right kick panel.
C506 (Brown, 2-Pin)	Behind right kick panel.
C541 (Light Blue, 24-Pin)	Behind middle of dash.
C551 (Yellow, 2-Pin)	Behind left kick panel.
C552 (Gray, 10-Pin)	Under driver's seat.
C553 (Gray, 4-Pin)	At left underside of vehicle.
C554 (Light Blue, 16-Pin)	Behind left quarterpanel.
C555 (Brown, 2-Pin)	Behind left quarterpanel.
C581 (Yellow, 2-Pin)	Behind right kick panel.
C582 (Gray, 3-Pin)	At right "C" pillar.
C582 (W/ Rear Heater-A/C) (Gray, 14-Pin)	At right "C" pillar.
C583 (Yellow, 2-Pin)	Under front passenger's seat.
C584 (Yellow, 2-Pin)	Under front passenger's seat.
C585 (Gray, 10-Pin)	Under front passenger's seat.
C601 (EX) (Gray, 16-Pin)	At left side of tailgate.
C601 (Except EX, EXL) (Gray, 4-Pin)	At left side of tailgate.
C601 (EXL) (Gray, 6-Pin)	At left side of tailgate.
C602 (Blue, 6-Pin)	At left side of tailgate.
C603 (Brown, 2-Pin)	At left side of tailgate.
C751 (Brown, 2-Pin)	Behind left kick panel.
C752 (Blue, 6-Pin)	In driver's door.
C761 (Gray, 3-Pin)	Behind right kick panel.
C762 (Blue, 6-Pin)	In front passenger's door.
C861 (Yellow, 4-Pin)	Under front passenger's seat.

Honda Odyssey EX 2001 - GROUNDS

Honda Odyssey EX 2001 GROUNDS LOCATION

Component	Component Location
G1	At left side of engine compartment. See Fig. 4 .
G2	At right side of engine compartment. See Fig. 4 .
G101	At left side of engine compartment. See Fig. 4 .
G102	At right side of engine compartment. See Fig. 4 .
G201	At right side of engine compartment. See Fig. 4 .
G301	At left side of engine compartment. See Fig. 4 .
G302	At left side of engine compartment. See Fig. 4 .
G303	Behind left kick panel.
G401	Under left side of dash.
G501	Behind left kick panel. See Fig. 5 .
G502	Under middle of dash. See Fig. 5 .
G503	Behind right side of glove box. See Fig. 5 .
G551	At left "B" pillar.
G552	Behind left quarterpanel.
G581	At right "B" pillar.
G582	Behind right quarterpanel.
G801	Below center of dash.