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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLBRAKE CONTROL SYSTEM (VDC/TCS/ABS) (DTC/CIRCUIT DIAGNOSIS)DTC/CIRCUIT DIAGNOSISDTC C1146: YAW RATE/SIDE/DECEL G SENSORDIAGNOSIS PROCEDURE
2024 Nissan-Datsun Frontier SL, RWD

Diagnosis Procedure

2024 Nissan-Datsun Frontier SL, RWDSECTION Diagnosis Procedure
  1. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT 
    1. Check the ABS actuator and electric unit (control unit) power supply and ground circuits. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Repair / replace harness, connector, fuse, or fusible link.

  2. CHECK CONNECTOR 
      1. Ignition switch OFF.
      2. Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.
      3. Check the yaw rate/side/decel G sensor harness connector for disconnection or looseness.

    Is the inspection result normal?

    YES>>

    GO TO 4.

    NO>>

    Repair / replace harness or connector, securely lock the connector, and GO TO 3.

  3. PERFORM SELF DIAGNOSTIC RESULT 
    1. SYMBOL CONSULT
      1. Ignition switch OFF.
        NOTE: SYMBOL Wait at least 10 seconds after placing ignition switch in the OFF position.
      2. Start the engine.
        NOTE: SYMBOL Wait at least 10 seconds after start the engine.
      3. Select "Self Diagnostic Result" mode of "ABS".

    Is DTC "C1146" detected?

    YES>>

    GO TO 4.

    NO>>

    Inspection End.

  4. CHECK YAW RATE/SIDE/DECEL G SENSOR POWER SUPPLY CIRCUIT 
      1. Ignition switch OFF.
      2. Disconnect IPDM E/R harness connector.
      3. Disconnect ABS actuator and electric unit (control unit) harness connector.
      4. Disconnect yaw rate/side/decel G sensor harness connector.
      5. Check the continuity between yaw rate/side/decel G sensor harness connector and IPDM E/R harness connector.
        Yaw rate/side/decel G sensor IPDM E/R Continuity
        Connector Terminal Connector Terminal
        B73 3 E119 15 Yes

    Is the inspection result normal?

    YES>>

    GO TO 5.

    NO>>

    Repair / replace harness or connector.

  5. CHECK YAW RATE/SIDE/DECEL G SENSOR GROUND CIRCUIT 
    1. Check the continuity between yaw rate/side/decel G sensor harness connector and ground.
      Yaw rate/side/decel G sensor - Continuity
      Connector Terminal
      B73 6 Ground Yes

    Is the inspection result normal?

    YES>>

    GO TO 6.

    NO>>

    Repair / replace harness or connector.

  6. CHECK YAW RATE/SIDE/DECEL G SENSOR SIGNAL CIRCUIT 
    1. Check the continuity between yaw rate/side/decel G sensor harness connector and ABS actuator and electric unit (control unit) harness connector.
      Yaw rate/side/decel G sensor ABS actuator and electric unit (control unit) Continuity
      Connector Terminal Connector Terminal
      B73 4 E127 9 Yes
      5 10

    Is the inspection result normal?

    YES>>

    GO TO 7.

    NO>>

    Repair / replace harness or connector.

  7. CHECK YAW RATE/SIDE/DECEL G SENSOR CIRCUIT 
    1. Check the continuity between each terminal of yaw rate/side/decel G sensor harness connector.
      Yaw rate/side/decel G sensor Continuity
      Connector Terminals
      B73 6 - 5 No
      6 - 4
      6 - 3
      3 - 4
      3 - 5
      4 - 5

    Is the inspection result normal?

    YES>>

    GO TO 8.

    NO>>

    Repair / replace harness or connector.

  8. CHECK YAW RATE/SIDE/DECEL G SENSOR (1) 
    1. SYMBOL CONSULT
      1. Connect yaw rate/side/decel G sensor harness connector.
      2. Connect ABS actuator and electric unit (control unit) harness connector.
      3. Connect IPDM E/R harness connector.
      4. Ignition switch ON.
        NOTE: SYMBOL Never start the engine.
      5. Select "Data Monitor" mode of "ABS", check "DECEL G-SEN".
      6. Move yaw rate/side/decel G sensor as shown in the figure below, to check the output before and after moving the sensor.
        GNSDB135077Courtesy of NISSAN NORTH AMERICA, INC.
        Condition DATA MONITOR
        Horizontal Approx. 0 G
        Vertical Approx. +1 G

    Is the inspection result normal?

    YES>>

    GO TO 9.

    NO>>

    Replace the yaw rate/side/decel G sensor. Refer to Removal and Installation .

  9. CHECK YAW RATE/SIDE/DECEL G SENSOR (2) 
      1. Ignition switch OFF.
      2. Connect following terminals using a test harness installed between yaw rate/side/decel G sensor and harness connector:
        Yaw rate/side/decel G sensor Harness connector
        Connector Terminal
        3 B73 3
        4 4
        5 5
        6 6
      3. Ignition switch ON.
        NOTE: SYMBOL Never start the engine.
      4. Check the voltage between yaw rate/side/decel G sensor harness connector terminals.
        CAUTION:

        Never short out the terminals while measuring voltages.

        Yaw rate/side/decel G sensor Voltage (Approx.)
        connector Terminals
        B73 4 - 6 2.5 - 4.5 V
        5 - 6 0.5 - 2.5 V

    Is the inspection result normal?

    YES>>

    Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation .

    NO>>

    Replace the yaw rate/side/decel G sensor. Refer to Removal and Installation .

RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.