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Home >> Mazda >> 2021 >> CX-3 FWD >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine >> No. 1 Blown Fuses

No. 1 Blown Fuses

1 BLOWN FUSES
[TROUBLESHOOTING HINTS]
  • Inspect condition of fuse.
G13148969Courtesy of MAZDA MOTORS CORP.
Damaged fuse Related wiring harness
MAIN
  • FAN3 fuse
  • FUEL PUMP fuse
  • IG2 fuse
  • ENG+B2 fuse
  • ROOM fuse
  • ENG.MAIN fuse
  • INJECTOR fuse
  • EVVT fuse
  • IG1 relay
FAN3
  • Cooling fan relay
ENGINE IG1
  • Fuel pump relay
  • PCM
FUEL PUMP
  • Fuel pump relay
STR
  • Generator
  • Starter
IG2
  • ACC relay
  • Starter relay
ROOM
  • ENG+B fuse
ENG+B
  • PCM
ENG+B2
  • DLC-2
ENG.MAIN
  • Main relay
ENG.SUB
  • Sub relay
INJECTOR
  • Fuel injector relay
EVVT
  • Electric variable valve timing relay
ENGINE1 (1)
  • Electric variable valve timing relay
  • A/F sensor
  • HO2S
  • MAF sensor/IAT sensor No. 1
  • Intake CMP sensor
  • CV solenoid valve
ENGINE2 (1)
  • Fuel injector relay
  • Purge solenoid valve
  • OCV
  • PCM
  • Engine oil solenoid valve
  • Exhaust CMP sensor
  • Ignition coil/ion sensor No. 1
  • Ignition coil/ion sensor No. 2
  • Ignition coil/ion sensor No. 3
  • Ignition coil/ion sensor No. 4
ENGINE2 (2)
  • HO2S
  • Intake CMP sensor
  • Exhaust CMP sensor
  • A/F sensor
  • Ignition coil/ion sensor No. 1
  • Ignition coil/ion sensor No. 2
  • Ignition coil/ion sensor No. 3
  • Ignition coil/ion sensor No. 4
ENGINE3
  • Cooling fan relay
ENGINE4 (2)
  • Purge solenoid valve
  • OCV
  • Engine oil solenoid valve
  • CV solenoid valve
(1) Without coolant control valve

(2) With coolant control valve
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