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ACTIVE NOISE CONTROL SYSTEM, Diagnostic DTC:P033531

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DTC Code DTC Name
P033531 Crankshaft Position Sensor "A" No Signal
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DESCRIPTION

This DTC is output when a malfunction has occurred in the engine pulse signal system from the ECM.

DTC No. Detection Item DTC Detection Condition Trouble Area
P033531 Crankshaft Position Sensor "A" No Signal When the power switch is turned on (READY) and the engine speed is 500 rpm or higher and below 6000 rpm 3 seconds after the power switch is turned on (ACC), the stereo component equalizer assembly detects a malfunction in the engine pulse signal system for 10 seconds or more continuously*

  • Harness or connector

  • Motor generator control system

  • Stereo component equalizer assembly
Tip:

*: Malfunction monitoring is not performed during the following conditions to prevent erroneous detection.


  • The auxiliary battery voltage is less than 9.5 V.

  • Before 3 seconds have elapsed after auxiliary battery voltage has returned to normal.

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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

  • The active noise control system troubleshooting procedure is based on the premise that the motor generator control system and SFI system are operating normally. Check the motor generator control system and SFI system first before troubleshooting the active noise control system.

  • Refer toClick herewhen replacing the ECM.

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PROCEDURE


  1. Click here

    CLEAR DTC


    1. Clear the DTCs.

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      1. Body Electrical > Active Noise Control > Clear DTCs


      Result
      Proceed to
      NEXT

  2. Click here

    CHECK FOR DTC


    1. Check for DTCs.

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      1. Body Electrical > Active Noise Control > Trouble Codes


      OK
      DTC P033531 is not output.
      Result
      Proceed to
      OK
      NG

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    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT EQUALIZER ASSEMBLY - ECM)


    1. Disconnect the A94*1 or A78*2 inverter with converter assembly connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the L7 stereo component equalizer assembly connector.

    3. Disconnect the A56 ECM connector.

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L7-3 (NEI) - A56-30 (NEO) Always Below 1 Ω
      L7-3 (NEI) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE STEREO COMPONENT EQUALIZER ASSEMBLYClick here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR