Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (6 Of 7) >> Engine (ECM) >> P2132 TP Sensor >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK DTC PRIORITY 

    If DTC P2132 is displayed with DTC P0643, first perform the confirmation procedure (trouble diagnosis) for DTC P0643.

    Is applicable DTC detected?

    YES>>

    Perform diagnosis of applicable. Refer to DTC Description .

    NO>>

    GO TO 2.

  2. CHECK THROTTLE POSITION SENSOR 1 POWER SUPPLY 
    1. Disconnect electric throttle control actuator harness connector.
    2. Turn ignition switch ON.
    3. Check the voltage between electric throttle control actuator harness connector and ground.
      + - Voltage
      (Approx.)
      Electric throttle control actuator
      Bank Connector Terminal
      2 F119 5 Ground 5 V

    Is the inspection result normal?

    YES>>

    GO TO 5.

    NO>>

    GO TO 3.

  3. CHECK THROTTLE POSITION SENSOR 1 POWER SUPPLY CIRCUIT FOR OPEN AND SHORT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
      + - Continuity
      Electric throttle control actuator ECM
      Bank Connector Terminal Connector Terminal
      2 F119 5 F142 132 Existed
    4. Also check harness for short to ground and short to power.

    Is the inspection result normal?

    YES>>

    GO TO 4.

    NO>>

    Repair or replace error-detected parts.

  4. CHECK SENSOR POWER SUPPLY 2 CIRCUIT 

    Refer to Diagnosis Procedure . Is the inspection result normal?

    YES>>

    Perform the trouble diagnosis for ECM power supply circuit. Refer to Diagnosis Procedure .

    NO>>

    Repair or replace error-detected parts.

  5. CHECK THROTTLE POSITION SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
      + - Continuity
      Electric throttle control actuator ECM
      Bank Connector Terminal Connector Terminal
      2 F119 4 F142 121 Existed
    4. Also check harness for short to ground and short to power.

    Is the inspection result normal?

    YES>>

    GO TO 6.

    NO>>

    Repair or replace error-detected parts.

  6. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT 
    1. Check the continuity between ECM harness connector and ground.
      + - Continuity
      ECM
      Connector Terminal
      F143 3 Ground Existed
      F142 87
      88
      E152 199
      201
      204
    2. Also check harness for short to power.

    Is the inspection result normal?

    YES>>

    GO TO 7.

    NO>>

    Repair or replace error-detected parts.

  7. CHECK THROTTLE POSITION SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 
    1. Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
      + - Continuity
      Electric throttle control actuator ECM
      Bank Connector Terminal Connector Terminal
      2 F119 6 F142 109 Existed
    2. Also check harness for short to ground and short to power.

    Is the inspection result normal?

    YES>>

    GO TO 8.

    NO>>

    Repair or replace error-detected parts.

  8. CHECK THROTTLE POSITION SENSOR 

    Refer to Component Inspection . Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Replace malfunctioning electric throttle control actuator. Refer to INTAKE MANIFOLD COLLECTOR : Exploded View .