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Nissan Sentra B18 (2020-2025) Service Manual: Dtc Inspection Priority Chart

DTC Inspection Priority Chart

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart:

Priority

DTC

1

  • U0073-00: Control module comm Bus A Off

  • U2118-87: CAN comm err (Intelligent Key)

  • U2140-87: CAN comm err (ECM)

  • U2141-87: CAN comm err (TCM)

  • U2148-87: CAN comm err (brake control unit)

  • U214E-87: CAN comm err (combination meter)

  • U2150-87: CAN comm err (AIR BAG)

  • U2152-87: CAN comm err (ADAS control unit)

  • U2153-87: CAN comm err (HVAC)

  • U2154-87: CAN comm err (MIU)

  • U215B-87: CAN comm err (IPDM E/R)

  • U216B-87: CAN comm err (front camera)

2

  • B2C21-23: Seat belt buckle switch (driver side)

  • B2C41-04: Power window motor FL

  • B2C95-01: Combination switch

  • B2C95-64: Combination switch

  • B2F60-55: Seat belt buckle switch (driver side)

  • B2FAE-12: Ignition relay

  • B2FAE-14: Ignition relay

  • U1C02-08: LIN communication

3

  • B2C20-12: Starter cut relay

  • B2C20-14: Starter cut relay

  • B2C20-23: Starter cut relay

  • B2C20-24: Starter cut relay

  • B2FAC-12: Accessory relay

  • B2FAC-14: Accessory relay

  • B2FAF-12: Ignition relay

  • B2FAF-14: Ignition relay

4

  • B2F06-11: Back door/trunk opener switch

  • B2F06-15: Back door/trunk opener switch

  • B2F70-01: Stop lamp

  • B2F70-02: Stop lamp

  • B2F71-23: Stop lamp

  • B2F71-24: Stop lamp

  • B2F72-23: Stop lamp

  • B2F72-24: Stop lamp

  • B2F73-23: Clutch switch

  • B2F73-24: Clutch switch

  • B2F74-23: Clutch switch

  • B2FA9-11: Shift position

5

  • C1700-54: Control unit

  • C1700-55: Control unit

  • C1700-86: Control unit

  • C1711-7A: Low tire pressure FL

  • C1711-7B: Low tire pressure FL

  • C1712-7A: Low tire pressure FR

  • C1712-7B: Low tire pressure FR

  • C1713-7A: Low tire pressure RL

  • C1713-7B: Low tire pressure RL

  • C1714-7A: Low tire pressure RR

  • C1714-7B: Low tire pressure RR

  • C1731-16: Tire pressure sensor FL

  • C1731-68: Tire pressure sensor FL

  • C1732-16: Tire pressure sensor FR

  • C1732-68: Tire pressure sensor FR

  • C1733-16: Tire pressure sensor RL

  • C1733-68: Tire pressure sensor RL

  • C1734-16: Tire pressure sensor RR

  • C1734-68: Tire pressure sensor RR

  • C1741-21: Tire pressure sensor no data FL

  • C1742-21: Tire pressure sensor no data FR

  • C1743-21: Tire pressure sensor no data RL

  • C1744-21: Tire pressure sensor no data RR
    Fail-Safe
    Fail-safe FAIL-SAFE CONTROL BY DTC BCM performs fail-safe control when any DTC are detected. Display contents of CONSULT Fail-safe B2C21-23: Seat belt buckle switch (driver side...
    Dtc Index
    DTC Index Note: The details of time display are as follows: CRNT: A malfunction is detected now PAST: A malfunction was detected in the past ×:Applicable Self diagnostic result...

    Other materials:

    Trunk Lamp Switch
    Component Function Check Component Function Check CHECK FUNCTION CONSULT Select "Back door/trunk lid switch" in "Data Monitor" mode of "BCM(TRUNK)". Check that the f ...

    Ignition Signal
    Component Function Check Component Function Check INSPECTION START Turn ignition switch OFF, and restart engine. Does the engine start? YES-1 >> With CONSULT: GO TO 2. YES-2 >> Without CONSULT: GO TO 3. NO >> ...

    Secondary Pressure Solenoid Valve Circuit
    Diagnosis Procedure Diagnosis Procedure CHECK HARNESS CONNECTOR Ignition switch OFF. Check the mating condition of TCM harness connector and CVT unit harness connector. Is the inspect ...