2 Mil Illuminates [Lf] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
• Fuel injector No.3
• Fuel injector No.4
EGI INJ2 fuse
EGI INJ2
(10 A)
• PCM
ENG BAR1 fuse
• EGR valve
• Variable intake-air solenoid valve
ENG BAR1
• Variable tumble solenoid valve
(10 A)
• Purge solenoid valve
• MAF sensor
• Fuel pump relay
ENG BAR2 fuse
ENG BAR2
• HO2S (front)
(10 A)
• HO2S (rear)
BTN fuse
BTN
(40 A)
• OBD fuse
OBD fuse
OBD
(10 A)
• DLC-2
FUEL PUMP fuse
FUEL PUMP
(15 A)
• Fuel pump relay
FAN fuse
FAN
(40 A)
• Fan control module
2
The MIL is illuminated incorrectly.
DESCRIPTION
• The PCM illuminates for emission-related concern (DTC is stored in PCM).
• Instrument cluster malfunction
POSSIBLE CAUSE
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NO.2 MIL ILLUMINATES [LF]
Note
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MIL ILLUMITATES
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B3E010318881W04