1. ECU
2. Battery
3. Vehicle-down Sensor
4. Exhaust Butterfly Valve Actuator
5. Vacuum Chamber (Other than US, CA and CAL Models)
6. Air Intake Valve Actuator (Other than US, CA and CAL Models)
7. Air Intake Valve (Other than US, CA and CAL Models)
8. Air Flow
9. Air Intake Solenoid Valve (Other than US, CA and CAL Models)
10. Intake Air Pressure Sensor #2
11. Intake Air Pressure Sensor #1
12. Intake Air Temperature Sensor
13. Subthrottle Valve Actuator
14. Main Throttle Sensor
15. Subthrottle Sensor
16. Water Temperature Sensor
17. Fuel Injectors
18. Primary Fuel Hose
19. Fuel Pump
20. Fuel Filter
21. Pressure Regulator
22. Oxygen Sensor (Equipped Models)
23. Gear Position Switch
24. Wheel Rotation Sensors
25. Crankshaft Sensor
26. Fuel Flow
Exploded View
DFI System Wiring DiagramMain Throttle Sensor Input Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Remove the throttle body assy (see Throttle Body Assy
Removal in the Fuel System (DFI) chapter).
Do not disconnect the connectors of the throttle body
assy.
Disconnect the main throttle sensor connector ...
DFI Servicing Precautions
There are a number of important precautions that should
be followed servicing the DFI system.
This DFI system is designed to be used with a 12 V sealed
battery as its power source. Do not use any other battery
except for a 12 V sealed battery as a power source.
Do not reverse the battery ...
Coolant Temperature Meter
The coolant temperature gauge indicates
temperature of the engine
coolant. The “ ” symbol is displayed
if the coolant temperature meter
is selected.
A. Coolant Temperature Meter
B. Warning Indicator Light (Red)
C. “ ” Symbol
If the coolant temperature is below
40°C (104°F ...