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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (On-Board Diagnostic - Engine Control System (VIN L & VIN M) (1 Of 4)) >> DTC P013A:00 [Pcm (SKYACTIV-G (Us))] >> Details On DTCs

Details On DTCs

WARNING: This page is about a different variant/trim than selected.
DTC P013A:00 (PCM, SKYACTIV-G, US) DETECTION CONDITION AND POSSIBLE CAUSE

Description HO2S: Slow response (during transition from rich to lean)
Detection condition Determination conditions
  • The response speed of the HO2S input signal when the air/fuel ratio is fluctuated from rich to lean is slow.
Preconditions
  • Fuel injection control: during fuel cut (1)
  • Catalytic converter estimated temperature: specified value or more
  • HO2S estimated temperature: specified value or more
  • HO2S output voltage during fuel cut: Specified value or more
  • The following DTCs are not detected:
  • HO2S heater: P0037:00 and P0038:00
  • MAF sensor: P0100:00, P0101:00 and U060F:00
  • ECT sensor No. 1: P0117:00 and P0118:00
    • HO2S: P0137:00, P0138:00 and P0140:00
Drive cycle
  • 2
Self test type
  • CMDTC self test
Sensor used
  • HO2S
Fail-safe function
  • Not applicable
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • HO2S malfunction
  • HO2S connector or terminals malfunction
  • HO2S incorrect installation
  • Exhaust system leakage
    • TWC damaged or malfunction
  • HO2S deterioration
  • HO2S heater malfunction
  • Improper operation of purge control system
  • Purge solenoid valve malfunction
    • Improper connection of evaporative hose (purge solenoid valve side)
  • Engine malfunction
    • Insufficient engine compression
  • PCM malfunction
(1) Standard can be verified by displaying PIDs using M-MDS