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3-46 FUEL SYSTEM (DFI)
Self-Diagnosis
Service Code Table
Service Code Problems
11 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 short
15 Atmospheric pressure sensor malfunction, wiring open or short
21 Crankshaft sensor malfunction, wiring open or short
23 Camshaft position sensor malfunction, wiring open or short
24
Speed sensor malfunction
25 Gear position switch malfunction, wiring open or short
31 Vehicle-down sensor malfunction, wiring open or short
32 Subthrottle sensor malfunction, wiring open or short
33 Oxygen sensor #1 inactivation, wiring open or short (Europe Models)
34 Exhaust butterfly valve sensor malfunction, wiring open or short
35
Immobilizer amplifier malfunction
36 Blank key detection
46 Fuel pump relay malfunction, relay is stuck
51
Stick (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
63 Exhaust butterfly valve actuator malfunction, wiring open or short
67
Oxygen sensor heaters (#1 and/or #2) malfunction, wiring open or short (Europe
Models)
75 ECU main relay malfunction, relay i s stuck
83
Oxygen sensor #2 inactivation, wiring open or short (Europe Models)
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 has no fault, and the
mechanical parts of the DFI system and the engine are suspect.
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