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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (On-Board Diagnostic - Engine Control System (3 Of 4)) >> DTC P19A0-00: Revolution Sensor Signal - Correlation Problem (Us) >> Troubleshooting Diagnostic Procedure >> Intention of troubleshooting procedure

Intention of troubleshooting procedure

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TROUBLESHOOTING DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 PURPOSE: INSPECT REVOLUTION SENSOR CONNECTOR FOR MALFUNCTION
  • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION .)
  • Are the connector and terminal normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification 1.
2 PURPOSE: INSPECT REVOLUTION SENSOR POWER SUPPLY CIRCUITS, SIGNAL CIRCUITS, AND GROUND CIRCUITS FOR SHORT TO GROUND
  • Inspect the applicable circuit for a short to ground. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification 1.
3 PURPOSE: INSPECT PCM CONNECTOR FOR MALFUNCTION
  • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION .)
  • Are the connector and terminal normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification 1.
4 PURPOSE: INSPECT REVOLUTION SENSOR POWER SUPPLY CIRCUITS, SIGNAL CIRCUITS, AND GROUND CIRCUITS FOR SHORT TO POWER SUPPLY
  • Inspect the applicable circuit for a short to power supply. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification 1.
5 PURPOSE: INSPECT REVOLUTION SENSOR POWER SUPPLY CIRCUITS, SIGNAL CIRCUITS, AND GROUND CIRCUITS FOR SHORT CIRCUIT
  • Inspect the applicable circuits for a short circuit. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification 1.
6 PURPOSE: INSPECT REVOLUTION SENSOR POWER SUPPLY CIRCUITS, SIGNAL CIRCUITS, AND GROUND CIRCUITS FOR OPEN CIRCUIT
  • Inspect the applicable circuit for open circuit. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification 1.
7 PURPOSE: VERIFY IF REVOLUTION SENSOR IS INSTALLED CORRECTLY
Yes Go to the next step.
No Correctly install the revolution sensor and perform the repair completion verification 1.
(See REVOLUTION SENSOR INSPECTION [C66M-R].)
8 PURPOSE: INSPECT REVOLUTION SENSOR FOR MALFUNCTION
Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification 1.
(See REVOLUTION SENSOR INSPECTION [C66M-R].)
9 PURPOSE: INSPECT MANUAL TRANSAXLE FOR MALFUNCTION DEPENDING ON REPEATABILITY
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Replicate the vehicle conditions at the time the DTC was detected using the following procedure.
    • Implement the repeatability verification procedure.

    (See REPEATABILITY VERIFICATION PROCEDURE .)

  • Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
Yes Replace the manual transaxle and perform the repair completion verification 1.
(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION (ET6A-EL) (US) , AUTOMATIC TRANSAXLE SYSTEM (SERVICE INFORMATION) (EV6A-EL, EV6AX-EL) , AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION (ET6AX-EL) (US) .)
No Go to repair completion verification 2.
Repair completion verification 1 PURPOSE: VERIFY THAT VEHICLE IS REPAIRED
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Replicate the vehicle conditions at the time the DTC was detected using the following procedure.
    • Implement the repeatability verification procedure.

    (See REPEATABILITY VERIFICATION PROCEDURE .)

  • Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
Yes Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .)
If the CAN communication is normal, perform the diagnosis from Step 1.
No Go to the next step.
Repair completion verification 2 PURPOSE: VERIFY IF OTHER DTCs DISPLAYED
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any other DTCs displayed?
Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No DTC troubleshooting completed.