Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2016 >> 3 Sport, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (2 Of 4) >> DTC P058A-00: Current Sensor: Function Malfunction >> Details On DTCs >> Notes

Details On DTCs: Notes

DESCRIPTION Current sensor: Function malfunction
DETECTION CONDITION  Determination conditions
  • Error signal from the current sensor is received.
Preconditions
  • Not applicable
Malfunction determination period
  • 5 s  period
Drive cycle
  • 2
Self test type
  • CMDTC self test
Sensor used
  • Current sensor
FAIL-SAFE FUNCTION 
  • Inhibits the i-ELOOP control.
VEHICLE STATUS WHEN DTCs ARE OUTPUT 
  • Illuminates master warning light
  • A warning message is displayed on the center display. (Type A instrument cluster)
  • Illuminates charging system warning light. (Type B or type C instrument cluster)
  • The engine cannot be started or the engine may stall due to battery voltage decrease.
POSSIBLE CAUSE 
  • Connector or terminal malfunction of the following parts:
    • Current sensor
    • Front body control module (FBCM)
    • PCM
  • Short to ground or open circuit in current sensor power supply circuit
    • Short to ground in wiring harness between battery positive terminal and current sensor terminal A
    • MAIN 200 A fuse and/or ENG+B 7.5 A fuse malfunction
    • Open circuit in wiring harness between battery positive terminal and current sensor terminal A
  • Short to ground in wiring harness between the following terminals:
    • Current sensor terminal B-Front body control module (FBCM) terminal 2E
    • Front body control module (FBCM) terminal 2P-PCM terminal 2AK
    • Front body control module (FBCM) terminal 2N-PCM terminal 2AL
  • Short to power supply in wiring harness between the following terminals:
    • Battery positive terminal-Current sensor terminal A
    • Current sensor terminal B-Front body control module (FBCM) terminal 2E
    • Front body control module (FBCM) terminal 2P-PCM terminal 2AK
    • Front body control module (FBCM) terminal 2N-PCM terminal 2AL
  • Open circuit in wiring harness between the following terminals:
    • Current sensor terminal B-Front body control module (FBCM) terminal 2E
    • Front body control module (FBCM) terminal 2P-PCM terminal 2AK
    • Front body control module (FBCM) terminal 2N-PCM terminal 2AL
  • Current sensor malfunction
  • Front body control module (FBCM) malfunction
  • PCM malfunction