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FUEL SYSTEM (DFI) 3-37
Self-Diagnosis
ServiceCodeTable
Servic
e
Code
FI Indicator LED Light Problems
11 Main throttle sensor malfunction, wiring open or short
12
Inlet air pressure sensor malfunction, wiring open or
short
13
Inlet air temperature sensor malfunction, wiring open
or short
14
Water temperature sensor malfunction, wiring open
or sh
ort
15
Atmospheric pressure sensor malfunction, wiring
open or short
21 Crankshaft sensor malfunction, wiring open or short
23
Camshaft position sensor m alfunction, wiring open
or short
24
and
25
+
Speed sensor m alfunction, wiring open or short
First 24 is displayed and then 25, repeatedly
31
Vehicle-down sensor, malfunction, wiring open or
short
32 Subthrottle sensor malfunction, wiring open or short
51
St
ick (Ignition) coil #1 malfunction, wiring open or
short
52
Stick (Ignition) coil #2 malfunction, wiring open or
short
53
Stick (Ignition) coil #3 malfunction, wiring open or
short
54
Stick (Ignition) coil #4 malfunction, wiring open or
short
62
Subthrottle valve actuator malfunction, wiring open
or short
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 electronical parts of the DFI system has no fault, and the
mechanical parts of the DFI system and the engine are suspect.