Honda Civic. Manual — part 455

SENDING UNITS & SENSORS

SENDING UNITS & SENSORS LOCATION

Radiator Fan Motor Connector

15.

Recirculation Control Motor

Behind glove box, on HVAC

assembly. See Fig. 78.

Right Power Mirror

Front of front passenger's door. See

Fig. 105.

Right Rear Power Window Motor

In right rear door. See Fig. 107.

Starter

Lower right rear of engine. See Fig.

152.

Windshield Washer Motor

Behind right side of front bumper. See

Fig. 127.

Windshield Wiper Motor

Under right side of cowl cover. See

Fig. 49.

Component

Location

A/C Pressure Sensor

Right side of engine compartment. See

Fig. 3.

A/F Sensor Connector (Except Si)

Top left rear of engine. See Fig. 24.

A/F Sensor Connector (Si)

Rear of engine compartment. See Fig.

143.

APP Sensor

Under left side of dash. See Fig. 66.

CKP Sensor (Except Si)

Top left rear of engine. See Fig. 23.

CKP Sensor (Si)

Lower front of engine. See Fig. 131.

CMP Sensor

Rear of engine. See Fig. 30.

CMP Sensor A

Right rear of engine. See Fig. 32.

CMP Sensor B

Right rear of engine. See Fig. 32.

Driver's Seat Position Sensor

Under driver's seat. See Fig. 83.

ECT Sensor 1 (Except Si)

Rear of engine. See Fig. 27.

ECT Sensor 1 (Si)

Right rear of engine. See Fig. 33.

ECT Sensor 2

Lower left side of radiator. See Fig.

135.

2008 Honda Civic GX

2008 HONDA Civic - Except Hybrid

EGR Valve & EGR Valve Position
Sensor

Top left rear of engine. See Fig. 25.

EOP Sensor

Top right front of engine. See Fig. 10.

EPS Torque Sensor

Under left side of engine compartment.

See Fig. 168.

Evaporator Temperature Sensor
Connector

Under right side of dash. See Fig. 80.

Front Impact Sensor (Left/Right)

Behind respective side of front

bumper. See Fig. 130.

Front Passenger's Weight Sensor
(Front Inner Side)

Under left side of front passenger's

seat. See Fig. 90.

Front Passenger's Weight Sensor
(Front Outer Side)

Under right side of front passenger's

seat. See Fig. 91.

Front Passenger's Weight Sensor (Rear
Inner Side)

Under left side of front passenger's

seat. See Fig. 90.

Front Passenger's Weight Sensor (Rear
Outer Side)

Under right side of front passenger's

seat. See Fig. 91.

FTP Sensor (Except GX)

Under left side of floor. See Fig. 145.

FTP Sensor (GX)

Behind rear seat (GX). See Fig. 161.

FTT Sensor

Behind rear seat (GX). See Fig. 161.

Fuel Pressure Sensor

Right rear of engine. See Fig. 157.

Fuel Temperature Sensor

Rear of engine. See Fig. 154.

Inner Side Front Passenger's Weight
Sensor Connector (2-Door)

Under front passenger's seat. See Fig.

88.

Input Shaft (Mainshaft) Speed Sensor

On transmission housing. See Fig. 35.

Knock Sensor (Except Si)

Lower right rear of engine. See Fig.

141.

Knock Sensor (Si)

Left front side of engine. See Fig. 22.

Left Rear Wheel Speed Sensor
Connector

Under left rear of vehicle (Right

similar). See Fig. 169.

MAF/IAT Sensor (Except Si)

Left rear of engine compartment. See

Fig. 46.

Left side of engine compartment. See

2008 Honda Civic GX

2008 HONDA Civic - Except Hybrid

MAF/IAT Sensor (Si)

Fig. 47.

MAP Sensor (Except Si)

Rear of engine. See Fig. 30.

MAP Sensor (Si)

Left rear side of engine. See Fig. 21.

Motor Angle Sensor Connector

Under rear of engine. See Fig. 133.

Outer Side Front Passenger's Weight
Sensor Connector (2-Door)

Under front passenger's seat. See Fig.

88.

Output Shaft (Countershaft) Speed
Sensor (A/T)

On transmission housing. See Fig. 36.

Output Shaft (Countershaft) Speed
Sensor (M/T)

On transmission housing. See Fig. 140.

Output Shaft (Countershaft) Speed
Sensor (Si)

Under transmission housing (Si). See

Fig. 129.

Outside Air Temperature Sensor

Behind left side of front bumper. See

Fig. 178.

Rear Safing Sensor

Middle of floor. See Fig. 96.

Secondary HO2S Connector (Except
Si)

Top left rear of engine. See Fig. 24.

Secondary HO2S Connector (Si)

Under center console. See Fig. 93.

Side Impact Sensor (Left/Right 1st) (2-
Door)

At respective outer side of floor. See

Fig. 95.

Side Impact Sensor (Left/Right 1st) (4-
Door)

Base of respective "B" pillar. See Fig.

99.

Side Impact Sensor (Left/Right 2nd)
(2-Door)

In respective "B" pillar. See Fig. 98.

Side Impact Sensor (Left/Right 2nd)
(4-Door)

In respective "C" pillar. See Fig. 116.

Steering Angle Sensor

In steering column cover (Si). See Fig.

165.

TP Sensor/Throttle Actuator (Except
Si)

On throttle body. See Fig. 164.

TP Sensor/Throttle Actuator (Si)

On throttle body. See Fig. 174.

Wheel Speed Sensor Connector (Left
Front)

On left frame rail. See Fig. 137.

2008 Honda Civic GX

2008 HONDA Civic - Except Hybrid

SOLENOIDS & SOLENOID VALVES

SOLENOIDS & SOLENOID VALVES LOCATION

Wheel Speed Sensor Connector (Right
Front)

On frame rail. See Fig. 137.

Wheel Speed Sensor Connector (Right
Rear)

Under right rear of floor. See Fig. 144.

Wheel Speed Sensor (Left Rear)

Under left rear of floor. See Fig. 144.

Yaw Rate-Lateral Acceleration Sensor
(Si)

Under middle of dash. See Fig. 170.

Component

Location

A/C Compressor Connector (Except
Si)

Left front of engine. See Fig. 8.

A/C Compressor Connector (Si)

Lower left front of engine. See Fig.

134.

A/T Clutch Pressure Control Solenoid
Valve A

On transmission housing. See Fig. 37.

A/T Clutch Pressure Control Solenoid
Valve B

On transmission housing. See Fig. 37.

A/T Clutch Pressure Control Solenoid
Valve C

On transmission housing. See Fig. 37.

EGR Valve & EGR Valve Position
Sensor

Top left rear of engine. See Fig. 25.

EVAP Canister Purge Valve

Right rear of engine. See Fig. 31.

EVAP Canister Vent Shut Valve

Under left side of floor. See Fig. 145.

Fuel Pressure Regulator Shut-Off
Solenoid Valve

Right rear of engine. See Fig. 155.

Fuel Tank Internal Solenoid Valve
(GX)

Left side of trunk (GX). See Fig. 162.

IMT Actuator

Right front of engine. See Fig. 9.

Injectors No. 1, 2, 3 & 4 (Except Si)

Top of engine, at respective cylinders.

See Fig. 19.

Top left side of engine, at respective

2008 Honda Civic GX

2008 HONDA Civic - Except Hybrid