1999 HONDA Civic

Honda Civic CX 1999 - BUZZERS, RELAYS & TIMERS

Honda Civic CX 1999 BUZZERS, RELAYS & TIMERS

Component	Component Location
ABS Pump Motor Relay	In underhood ABS fuse/relay box. See Fig. 7 .
A/C Compressor Clutch Relay	In underhood fuse/relay box. See Fig. 7 .
Blower Motor Relay	In underhood fuse/relay box. See Fig. 7 .
Condenser Fan Relay	In underhood fuse/relay box. See Fig. 7 .
Foglight Relay	Behind left side of dash, taped to harness.
Horn Relay	Behind left side of dash, on bracket. See Fig. 9 .
Light Flasher Relay	Behind left side of dash, taped to harness.
Moon Roof Close Relay	Behind left side of dash, on bracket. See Fig. 9 .
Moon Roof Open Relay	Behind left side of dash, on bracket. See Fig. 9 .
PGM-FI Main Relay	Behind right side of glove box. See Fig. 11 .
Power Window Relay	On underdash fuse/relay box. See Fig. 8 .
Radiator Fan Relay	In underhood fuse/relay box. See Fig. 7 .
Rear Window Defogger Relay	On underdash fuse/relay box. See Fig. 8 .
Security Starter Cut Relay	Behind left side of dash, taped to harness.
Starter Cut Relay	Behind left side of dash, on bracket. See Fig. 9 .
Turn Signal/Hazard Relay	On underdash fuse/relay box. See Fig. 8 .

Honda Civic CX 1999 - CIRCUIT PROTECTION DEVICES

Honda Civic CX 1999 CIRCUIT PROTECTION DEVICES

Component	Component Location
A/C Compressor Thermal Protector	On lower left front of engine, on A/C compressor.
A/C Diode	In underhood fuse/relay box.
Foglight In-Line Fuse Holder	Behind left side of dash, taped to harness.
Security In-Line Fuse Holder	Behind left side of dash, taped to harness.
Underdash Fuse/Relay Box	Behind left side of dash. See Fig. 8 .
Underhood ABS Fuse/Relay Box	On right side of engine compartment. See Fig. 7 .
Underhood Fuse/Relay Box	On right rear corner of engine compartment. See Fig. 7 .

Honda Civic CX 1999 - CONTROL UNITS

Honda Civic CX 1999 CONTROL UNITS

Component	Component Location
ABS Control Unit	Behind right kick panel.
ABS Modulator Unit	On right side of engine compartment.
Cruise Control Unit	Behind left side of dash. See Fig. 9 .
Daytime Running Lights (DRL) Control Unit (Canada)	Behind left side of dash. See Fig. 9 .
ELD (Electrical Load Detector) Unit	In underhood fuse/relay box. See Fig. 7 .
Engine Control Module (ECM) (M/T)	Behind right kick panel. See Fig. 11 .
Integrated Control Unit	On rear of underdash fuse/relay box. See Fig. 8 .
Interlock Control Unit	Behind dash, right of steering column. See Fig. 8 .
Keyless Door Lock Control Unit	Behind left kick panel. See Fig. 8 .
Power Door Lock Control Unit	In front of driver's door.
Powertrain Control Module (PCM) (A/T)	Behind right kick panel. See Fig. 11 .
Security Control Unit	Behind radio.
SRS Unit	Behind center of dash, below radio.

Honda Civic CX 1999 - MOTORS

Honda Civic CX 1999 MOTORS

Component	Component Location
ABS Pump Motor	On right side of engine compartment.
Blower Motor	Below right side of dash, on plenum.
Condenser Fan Motor	Behind condenser.
Cruise Control Actuator	On left side of engine compartment.
Door Lock Actuators (4)	In lower rear of respective door.
Fuel Pump	Below center of rear seat, through access hole. See Fig. 12 .
Mode Control Motor	Behind dash, right of steering column, on plenum.
Moon Roof Motor (Coupe/Sedan)	On rear underside of ceiling, above headliner.
Power Window Motors (4)	In front of respective door.
Radiator Fan Motor	Behind radiator.
Rear Window Washer Motor	Behind left side of front bumper, in washer reservoir.
Rear Window Wiper Motor	Rear tailgate, bottom of glass.
Recirculation Control Motor	Behind glove box, on plenum.
Starter	On top of transaxle.
Windshield Washer Motor	Behind left side of front bumper, in washer reservoir.
Windshield Wiper Motor	On left rear of engine compartment, in air scoop.

Honda Civic CX 1999 - SENDING UNITS & SENSORS

Honda Civic CX 1999 SENDING UNITS & SENSORS

Component	Component Location
Countershaft Speed Sensor (A/T)	On left rear of transaxle. See Fig. 5 .
Crankshaft Speed Fluctuation (CKF) Sensor (1.6L)	Behind crankshaft pulley on oil pump. See Fig. 1 .
Crankshaft Speed Fluctuation (CKF) Sensor (1.6L DOHC VTEC)	Behind crankshaft pulley on oil pump. See Fig. 2 .
Crankshaft Speed Fluctuation (CKF) Sensor (1.6L SOHC VTEC)	Behind crankshaft pulley on oil pump. See Fig. 3 .
Crankshaft Speed Fluctuation (CKF) Sensor (1.6L SOHC VTEC-E)	Behind crankshaft pulley on oil pump. See Fig. 4 .
Drive Pulley Speed Sensor (CVT)	On right side of transaxle. See Fig. 6 .
Driven Pulley Speed Sensor (CVT)	On top of transaxle. See Fig. 6 .
Engine Coolant Temperature (ECT) Sending Unit	On rear of cylinder head.
Engine Coolant Temperature (ECT) Sensor (1.6L)	On right rear of cylinder head. See Fig. 1 .
Engine Coolant Temperature (ECT) Sensor (1.6L DOHC VTEC)	On right rear of cylinder head. See Fig. 2 .
Engine Coolant Temperature (ECT) Sensor (1.6L SOHC VTEC)	On right rear of cylinder head. See Fig. 3 .
Engine Coolant Temperature (ECT) Sensor (1.6L SOHC VTEC-E)	On right rear of cylinder head. See Fig. 4 .
Exhaust Gas Recirculation (EGR) Valve & Lift Sensor (1.6L SOHC VTEC-E) (CVT)	On top left rear of engine. See Fig. 4 .
Exhaust Gas Recirculation (EGR) Valve & Lift Sensor (1.6L SOHC VTEC-E) (M/T)	On top left rear of engine.
Fuel Tank Pressure Sensor	On underside of vehicle, right front of fuel tank. See Fig. 12 .
Heated Oxygen Sensor (Primary HO2S) (Sensor 1) (1.6L)	On top of TWC converter. See Fig. 1 .
Heated Oxygen Sensor (Primary HO2S) (Sensor 1) (1.6L DOHC VTEC)	On exhaust pipe, upstream of TWC converter.
Heated Oxygen Sensor (Primary HO2S) (Sensor 1) (1.6L SOHC VTEC)	On side of exhaust manifold. See Fig. 3 .
Heated Oxygen Sensor (Primary HO2S) (Sensor 1) (1.6L SOHC VTEC-E)	On top of TWC converter. See Fig. 4 .
Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) (1.6L)	On bottom of TWC converter. See Fig. 1 .
Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) (1.6L DOHC VTEC)	On rear of TWC converter.
Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) (1.6L SOHC VTEC)	On rear of TWC converter.
Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) (1.6L SOHC VTEC-E)	On bottom of TWC converter. See Fig. 4 .
Intake Air Temperature (IAT) Sensor (1.6L)	On air intake duct. See Fig. 1 .
Intake Air Temperature (IAT) Sensor (1.6L DOHC VTEC)	On air intake duct. See Fig. 2 .
Intake Air Temperature (IAT) Sensor (1.6L SOHC VTEC)	On air intake duct. See Fig. 3 .
Intake Air Temperature (IAT) Sensor (1.6L SOHC VTEC-E)	On air cleaner assembly. See Fig. 4 .
Knock Sensor (KS)	On lower left side of engine.
Mainshaft Speed Sensor (A/T)	On right side of transaxle. See Fig. 5 .
Manifold Absolute Pressure (MAP) Sensor (1.6L)	On throttle body. See Fig. 1 .
Manifold Absolute Pressure (MAP) Sensor (1.6L DOHC VTEC)	On throttle body. See Fig. 2 .
Manifold Absolute Pressure (MAP) Sensor (1.6L SOHC VTEC)	On throttle body. See Fig. 3 .
Manifold Absolute Pressure (MAP) Sensor (1.6L SOHC VTEC-E)	On throttle body. See Fig. 4 .
Secondary Gear Shaft Speed Sensor (CVT)	On top left front of transaxle. See Fig. 6 .
Throttle Position (TP) Sensor (1.6L)	On throttle body. See Fig. 1 .
Throttle Position (TP) Sensor (1.6L DOHC VTEC)	On throttle body. See Fig. 2 .
Throttle Position (TP) Sensor (1.6L SOHC VTEC)	On throttle body. See Fig. 3 .
Throttle Position (TP) Sensor (1.6L SOHC VTEC-E)	On throttle body. See Fig. 4 .
Top Dead Center/Crankshaft Position/Cylinder Position (TDC/CKP/CYP) Sensor (1.6L)	In distributor assembly. See Fig. 1 .
Top Dead Center/Crankshaft Position/Cylinder Position (TDC/CKP/CYP) Sensor (1.6L DOHC VTEC)	In distributor assembly. See Fig. 2 .
Top Dead Center/Crankshaft Position/Cylinder Position (TDC/CKP/CYP) Sensor (1.6L SOHC VTEC)	In distributor assembly. See Fig. 3 .
Top Dead Center/Crankshaft Position/Cylinder Position (TDC/CKP/CYP) Sensor (1.6L SOHC VTEC-E)	In distributor assembly. See Fig. 4 .
Vehicle Speed Sensor (VSS) (A/T & M/T)	On top left front of transaxle.
Vehicle Speed Sensor (VSS) (CVT)	On top of transaxle. See Fig. 6 .
Wheel Sensors (4)	On inside of respective wheel.

Honda Civic CX 1999 - SOLENOIDS & SOLENOID VALVES

Honda Civic CX 1999 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Evaporative Emission (EVAP) By-Pass Solenoid Valve	On underside of vehicle, right front of fuel tank. See Fig. 12 .
Evaporative Emission (EVAP) Control Canister Vent Shut Valve	On top of EVAP canister. See Fig. 12 .
Evaporative Emission (EVAP) Purge Control Solenoid Valve (1.6L)	On rear of intake manifold. See Fig. 1 .
Evaporative Emission (EVAP) Purge Control Solenoid Valve (1.6L DOHC VTEC)	On top center of engine.
Evaporative Emission (EVAP) Purge Control Solenoid Valve (1.6L SOHC VTEC)	On top center of engine. See Fig. 3 .
Evaporative Emission (EVAP) Purge Control Solenoid Valve (1.6L SOHC VTEC-E)	On top center of engine. See Fig. 4 .
Exhaust Gas Recirculation (EGR) Control Solenoid Valve (CVT) (1.6L SOHC VTEC-E)	On rear of engine compartment, center of firewall. See Fig. 4 .
Idle Air Control (IAC) Valve (1.6L)	On top left of engine, on throttle body. See Fig. 1 .
Idle Air Control (IAC) Valve (1.6L DOHC VTEC)	On throttle body. See Fig. 2 .
Idle Air Control (IAC) Valve (1.6L SOHC VTEC) (A/T)	On throttle body. See Fig. 3 .
Idle Air Control (IAC) Valve (1.6L SOHC VTEC) (M/T)	On left side of intake manifold. See Fig. 3 .
Idle Air Control (IAC) Valve (1.6L SOHC VTEC-E) (CVT)	On throttle body. See Fig. 4 .
Idle Air Control (IAC) Valve (1.6L SOHC VTEC-E) (M/T)	On left side of intake manifold. See Fig. 4 .
Inhibitor Solenoid (CVT)	In transaxle. See Fig. 6 .
Linear Solenoid Valve (A/T)	On right side of transaxle. See Fig. 5 .
Lock-Up Control Solenoid Valve Assembly (A/T)	On top front of transaxle. See Fig. 5 .
PH-PL Control Linear Solenoid (CVT)	In transaxle. See Fig. 6 .
Shift Control Linear Solenoid (CVT)	In transaxle. See Fig. 6 .
Shift Control Solenoid Valve Assembly (A/T)	On right rear of transaxle. See Fig. 5 .
Shift Lock Solenoid (A/T)	Below center console, forward of gear selector.
Start Clutch Control Linear Solenoid (CVT)	In transaxle. See Fig. 6 .
VTEC Solenoid Valve	On left rear corner of cylinder head.

Honda Civic CX 1999 - SWITCHES

Honda Civic CX 1999 SWITCHES

Component	Component Location
A/C Pressure Switch	On left front of engine compartment, on A/C refrigerant line.
A/T Gear Position Switch	Below center console, right side of gear selector.
Back-Up Light Switch	On top left of transaxle.
Brake Fluid Level Switch	In brake fluid reservoir.
Brake Switch	On brake pedal support.
Clutch Interlock Switch	On clutch pedal support.
Clutch Switch	On clutch pedal support. See Fig. 10 .
Door Switches (Front) (2)	On base of respective "B" pillar.
Door Switches (Rear) (2) (Sedan)	In respective rear quarterpanel.
Driver's Seat Belt Switch	In driver's seat belt buckle.
Engine Coolant Temperature (ECT) Switch	On rear of engine, on thermostat cover.
Engine Oil Pressure Switch	On left side of engine block, above oil filter.
Hatch Latch Switch	On bottom inside of hatch.
Parking Brake Switch	Below center console, at base of park brake lever.
Parking Pin Switch	Below center console, left side of gear selector.
Power Steering Pressure (PSP) Switch (USA) (1.6L)	On left rear of engine compartment. See Fig. 1 .
Power Steering Pressure (PSP) Switch (USA) (1.6L DOHC VTEC)	On left rear of engine compartment. See Fig. 2 .
Power Steering Pressure (PSP) Switch (USA) (1.6L SOHC VTEC)	On left rear of engine compartment. See Fig. 3 .
Power Steering Pressure (PSP) Switch (USA) (1.6L SOHC VTEC-E)	On center rear of engine compartment. See Fig. 4 .
Trunk Latch Switch	On center of end panel, in trunk.
VTEC Pressure Switch	On left rear of cylinder head.

Honda Civic CX 1999 - MISCELLANEOUS

Honda Civic CX 1999 MISCELLANEOUS

Component	Component Location
A/C Compressor Clutch	On lower right front of engine.
A/C Thermostat	Behind glove box, on plenum.
Accessory Connector	Behind front console, below radio.
Alternator	On lower left of engine.
Blower Motor Resistor	Behind glove box, on plenum.
Data Link Connector (DLC)	Above left kick panel, near engine hood release lever. See Fig. 10 .
Daytime Running Lights Resistor (Canada)	On left rear corner of engine compartment.
Distributor Assembly	On rear of cylinder head.
Fuel Tank Unit	Below center of rear seat, through access hole. See Fig. 12 .
Horn	Behind right side of front grille.
Junction Connector C115	At middle of engine.
Junction Connector C116	At middle of engine.
Junction Connector C130	Under right side of dash.
Junction Connector C442	Under right side of dash.
Junction Connector C507	Behind left side of dash.
Security System Option Connector	Behind left side of dash.
Service Check Connector	Below right side of dash, fastened to passenger's footrest. See Fig. 11 .
SRS Memory Erase Signal (MES) Connector	Below left side of dash, taped to harness.
Tachometer Test Connector	On left rear corner of engine compartment.

Honda Civic CX 1999 - CONNECTORS

Honda Civic CX 1999 CONNECTORS

Component	Component Location
C101 (Gray, 10-Pin)	At left side of engine compartment.
C120 (1.6L SOHC VTEC-E) (Gray, 10-Pin)	At rear of engine.
C120 (1.6L SOHC & SOHC VTEC) (Gray, 8-Pin)	At rear of engine.
C123 (A/T) (Gray, 4-Pin)	At right side of engine.
C123 (M/T) (Gray, 8-Pin)	At right side of engine.
C131 (Green, 22-Pin)	Behind right kick panel.
C136 (1.6L SOHC VTEC) (Gray, 8-Pin)	At left side of engine compartment.
C136 (1.6L SOHC VTEC-E) (Gray, 14-Pin)	At left side of engine compartment.
C150 (Light Green, 8-Pin)	At left side of engine compartment.
C201 (Blue, 10-Pin)	At left side of engine compartment.
C202 (W/ Cruise Control) (Gray, 6-Pin)	At left side of engine compartment.
C202 (W/O Cruise Control) (Gray, 2-Pin)	At left side of engine compartment.
C214 (Gray, 8-Pin)	At right side of engine compartment.
C359 (Orange, 10-Pin)	At right side of engine compartment.
C401 (Gray, 20-Pin)	Behind left kick panel.
C407 (Gray, 6-Pin)	Under left side of dash.
C416 (Natural, 6-Pin)	Under left side of dash.
C427 (White, 6-Pin)	Behind steering column cover.
C433 (Gray, 14-Pin)	Below front console.
C440 (Blue, 16-Pin)	Under middle of dash.
C447 (Green, 22-Pin)	Under left side of dash.
C503 (Blue, 16-Pin)	Below under-dash fuse/relay box.
C516 (Green, 22-Pin)	Behind middle of dash.
C556 (W/ Power Windows) (Gray, 25-Pin)	In driver's door.
C556 (W/O Power Windows) (Natural, 2-Pin)	In driver's door.
C557 (W/ Power Windows) (Gray, 25-Pin)	In passenger's door.
C557 (W/O Power Windows) (Natural, 2-Pin)	In passenger's door.
C562 (Except GX) (Gray, 20-Pin)	At left quarterpanel.
C562 (GX) (Gray, 8-Pin)	At left "C" pillar.
C568 (Gray, 6-Pin)	At top of fuel tank.
C570 (Blue, 6-Pin)	At right "B" pillar.
C571 (Blue, 6-Pin)	At left "B" pillar.
C575 (Green, 6-Pin)	Behind left side of rear seat.
C604 (Coupe) (Gray, 4-Pin)	At left side of trunk.
C604 (Hatchback) (Gray, 6-Pin)	At left side of cargo area.
C605 (Coupe & Sedan) (Gray, 4-Pin)	At right side of trunk.
C605 (Hatchback) (Gray, 6-Pin)	At right side of cargo area.
C607 (Blue, 6-Pin)	At right quarterpanel.
C639 (Black/White, 8-Pin)	Inside left power mirror.
C656 (Black/White, 8-Pin)	Inside right power mirror.
C723 (Blue, 24-Pin)	Behind front console.

Honda Civic CX 1999 - GROUNDS

Honda Civic CX 1999 GROUNDS

Component	Component Location
G1	At front shock tower. See Fig. 7 .
G2	At left front of engine compartment. See Fig. 7 .
G3	At right side of front frame. See Fig. 7 .
G101	At left rear side of engine. See Fig. 7 .
G201	At right side of engine compartment. See Fig. 7 .
G202	At left side of engine compartment. See Fig. 7 .
G401	At left kick panel. See Fig. 8 .
G402	At right kick panel. See Fig. 8 .
G403	At right rear of engine compartment. See Fig. 7 .
G502	Under middle of dash. See Fig. 8 .
G503	Under right side of dash. See Fig. 8 .
G501	Under middle of dash. See Fig. 8 .
G551	At left kick panel. See Fig. 8 .
G552	At left side of floor.
G601 (Hatchback)	At middle of cargo area.
G601 (Sedan)	At middle of trunk.
G602 (Sedan)	At middle of rear shelf.
G751	At left side of engine compartment. See Fig. 7 .
G761	At middle of hatch lid.
G771	At left side of hatch lid.
G801	At middle of floor. See Fig. 8 .