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Home >> Mazda >> 2021 >> CX-5 Sport, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (On-Board Diagnostic - Engine Control (VIN Y) (1 Of 3)) >> DTC P0134-00: A/F Sensor Circuit No Activity Detected >> Troubleshooting Diagnostic Procedure >> Intention of troubleshooting procedure

Intention of troubleshooting procedure

WARNING: This page is about a different variant/trim than selected.
TROUBLESHOOTING DIAGNOSTIC PROCEDURE

STEP INSPECTION RESULTS ACTION
1 PURPOSE: INSPECT INSTALLATION OF A/F SENSOR
  • Inspect installation of A/F sensor.
  • Is the A/F sensor installed securely?
Yes Replace the A/F sensor, then go to Step 3.
(See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [VIN Y] .)
No Retighten the A/F sensor, then go to Step 3.
(See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [VIN Y] .)
2 PURPOSE: INSPECT INSTALLATION OF A/F SENSOR
  • Inspect installation of A/F sensor.
  • Is the A/F sensor installed securely?
Yes Go to the next step.
No Retighten the A/F sensor, then go to the next step.
(See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [VIN Y] .)
3 PURPOSE: VERIFICATION OF VEHICLE REPAIR COMPLETION
Yes Repeat the inspection from Step 1.

Go to the next step.
No Go to the next step.
4 PURPOSE: VERIFY IF THERE IS ANY OTHER MALFUNCTION
  • Is any other DTC or pending code stored?
Yes Go to the applicable DTC inspection. (See DTC TABLE .)
No DTC troubleshooting completed.