DFI Parts Location

FUEL SYSTEM (DFI) 3-19

Specifications

Item

Standard

Digital Fuel Injection System

Idle Speed

1 300 ±50 r/min (rpm)

Throttle Body Assy:

Type

Four oval type

Bore

38 mm (1.5 in.)

Throttle Body Vacuum

30.6 ±1.3 kPa (230 ±10 mmHg)

Bypass Screws (Turn Out)

0 2 1/2 (for reference)

ECU:

Make

DENSO

Type

Digital memory type, with built in IC igniter, sealed

with resin

Fuel Pressure (High Pressure Line)

294 kPa (3.0 kgf/cm², 43 psi) with engine idling

Fuel Pump:

Type

Wesco pump

Discharge

50 mL (1.7 US oz.) or more for 3 seconds

Primary Fuel Injectors:

Type

INP-288

Nozzle Type

Fine atomizing type with 8 holes

Resistance

About 11.7 12.3 Ω at 20°C (68°F)

Secondary Fuel Injectors:

Type

KN-7

Nozzle Type

Fine atomizing type with 8 holes

Resistance

About 10.5 Ω at 20°C (68°F)

Main Throttle Sensor:

Input Voltage

DC 4.75

5.25 V

Output Voltage

DC 1.02

1.06 V at idle throttle opening

DC 4.30

4.34 V at full throttle opening (for reference)

Resistance

4 6 kΩ

Inlet Air Pressure Sensor #1/Inlet Air

Pressure Sensor #2:

Input Voltage

DC 4.75

5.25 V

Output Voltage

DC 3.80

4.20 V at standard atmospheric pressure

(see this text for details)

Inlet Air Temperature Sensor:

About DC 2.25

Output Voltage

2.50 V at inlet air temperature 20°C

(68°F)

Resistance

5.4

6.6 kΩ at 0°C (32°F)

0.29

0.39 kΩ at 80°C (176°F)

Water Temperature Sensor:

Output Voltage

About DC 2.80

2.97 V at 20°C (68°F)

Speed Sensor:

Input Voltage

DC 9 11 V

Output Voltage

About DC 0.05

0.09 V or DC 4.5 4.9 V at ignition

switch ON and 0 km/h

Item

Standard

Vehicle-down Sensor:

Input Voltage

DC 4.75

5.25 V

Output Voltage

With sensor tilted 60 70° or more right or left: DC

0.65 1.35 V

With sensor arrow mark pointed up: DC 3.55 4.45 V

Subthrottle Sensor:

Input Voltage

DC 4.75

5.25 V

Output Voltage

DC 1.08

1.12 V at subthrottle valve full close

position

DC 4.48

4.52 V at subthrottle valve full open

position (for reference)

Resistance

4 6 kΩ

Exhaust Butterfly Valve Actuator Sensor:

DC 4.75

Input Voltage

5.25 V

Output Voltage

DC 3.46 3.76 V at pulley original position

Resistance

4 6 kΩ

Immobilizer Antenna (Equipped Models):

Resistance

About 0.6

0.9 Ω

Exhaust Butterfly Valve Actuator:

Resistance

5 200 Ω (for reference)

Subthrottle Valve Actuator:

Resistance

About 5.2

7.8 Ω

Input Voltage

About DC 8.5 10.5 V

Oxygen Sensor (Equipped Models):

Output Voltage (Rich)

DC 0.8 V or more

Output Voltage (Lean)

DC 0.24 V or less

Heater Resistance

6.7 10.5 Ω at 20°C (68°F)

Throttle Grip and Cables

Throttle Grip Free Play

2 3 mm (0.08 0.12 in.)

Air Cleaner

Element

Viscous paper element