3-38 FUEL SYSTEM (DFI)
Self-Diagnosis
Service Code Table
Service
System
Code
11
ETV
12
DFI
13
DFI
14
DFI
18
ETV
21
DFI
24
DFI
25
DFI
31
DFI
33
DFI
46
DFI
49
ETV
51
DFI
52
DFI
56
DFI
58
ETV
64
DFI
67
DFI
97
ETV
98
ETV
Notes:
○
The ECU may be involved in these problems. If all the parts and circuits checked out good, be sure
to check the ECU for ground and power supply. If the ground and power supply are checked good,
replace the ECU.
○
When no service code is displayed, the electrical parts of the DFI system and ETV system have no
fault, and the mechanical parts of the DFI system or ETV system and the engine are suspect.
Throttle position sensor malfunction, wiring open or short.
Inlet air pressure sensor malfunction, wiring open or short.
Inlet air temperature sensor malfunction, wiring open or short.
Water temperature sensor malfunction, wiring open or short.
Accelerator position sensor malfunction, wiring open or short.
Crankshaft sensor malfunction, wiring open or short.
Speed sensor malfunction, wiring open or short.
Gear position switch malfunction, wiring open or short.
Vehicle-down sensor malfunction, wiring open or short.
Oxygen sensor inactivation, wiring open or short (Equipped Models).
Fuel pump relay malfunction, relay is stuck.
Return spring malfunction.
Ignition coil #1 (Front Cylinder) malfunction, wiring open or short.
Ignition coil #2 (Rear Cylinder) malfunction, wiring open or short.
Radiator fan relay malfunction, wiring open or short.
ETV actuator malfunction, wiring open or short.
Air switching valve malfunction, wiring open or short.
Oxygen sensor heater malfunction, wiring open or short (Equipped
Models).
Battery monitor voltage is low.
ECU/ETV circuit malfunction, wiring open or short.
Problems
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