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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Wheel And Tire System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> C1720-00, C1721-00, C1722-00, C1723-00 Tire Pressure Sensor >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

NOTE: SYMBOL The Signal Tech II Tool [- (NI-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information.
  • Activate and display TPMS sensor IDs
  • Display tire pressure reported by the TPMS sensor
  • Read TPMS DTCs
  • Register TPMS sensor IDs
  1. TIRE PRESSURE SENSOR ID REGISTRATION 
    1. Perform tire pressure sensor ID registration. Refer to Description .

    Can the tire pressure sensor ID registration be completed?

    YES>>

    GO TO 2.

    NO>>

    Replace applicable tire pressure sensor. Refer to Removal and Installation .

  2. PERFORM SELF DIAGNOSTIC RESULT 
    1. SYMBOL CONSULT
      1. Drive at a speed of 16 mph (25 km/h) or more for 3 minutes, and then drive the vehicle at any speed for 10 minutes.
      2. Ignition switch ON.
      3. Select "Self Diagnostic Result" mode of "BCM(AIR PRESSURE MONITOR)".
      4. Check DTC.

    Is DTC "C1720-00", "C1721-00", "C1722-00", or "C1723-00" detected?

    YES>>

    Replace BCM. Refer to Removal and Installation .

    NO>>

    After erasing DTC record, Inspection End.