СИСТЕМА БЕССТУПЕНЧАТОЙ ТРАНСМИССИИ (для моделей с 8NR-FTS), Diagnostic DTC:P03352A, P033531

DTC Code DTC Name
P03352A Crankshaft Position Sensor "A" Signal Stuck in Range
P033531 Crankshaft Position Sensor "A" No Signal

DESCRIPTION

The crankshaft position sensor system consists of a crankshaft position sensor plate and a pickup coil.

The crankshaft position sensor plate has 34 teeth and is installed to the crankshaft. The pickup coil is made of wound copper wire, an iron core and magnet. The crankshaft position sensor plate rotates and, as each tooth passes by the pickup coil, a pulse signal is created. The pickup coil generates 34 signals per crankshaft revolution. Based on these signals, the ECM calculates the crankshaft position and engine speed. Using these calculations, the fuel injection and ignition timing are controlled.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P03352A Crankshaft Position Sensor "A" Signal Stuck in Range

1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other


  1. While engine is being cranked

  2. Crankshaft position sensor signal is not input to transmission control unit

  3. 4.7 seconds

  4. 1-trip detection logic

  • SFI system

  • ECM

 Comes on DTC stored

SAE Code:

P0335
P033531 Crankshaft Position Sensor "A" No Signal

1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other


  1. 3 seconds after engine started

  2. The engine speed signal value decreases rapidly when the engine stalls

  3. -

  4. 1-trip detection logic

  • SFI system

  • ECM

 Comes on DTC stored

SAE Code:

P0335

Tech Tips

When the engine is being stopped or started automatically by stop and start system control, the ECM does not monitor the crankshaft position sensor signal.

MONITOR DESCRIPTION

A DTC will be stored if any of the following occur:


WIRING DIAGRAM

Click here

CAUTION / NOTICE / HINT

Tech Tips


  • If no problem is found by this diagnostic troubleshooting procedure, check for problems by referring to the engine mechanical section.

  • Read freeze frame data using the GTS. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

  • After performing repair, clear the DTCs and perform the following procedure to check that DTCs are not output.


    1. Start the engine and wait for 3 seconds or more.

    2. Check for DTCs again.

      Click here


  1. DATA LIST

    Tech Tips

    The engine speed may be indicated as zero despite the engine running normally. This is caused by a lack of NE signals from the crankshaft position sensor. Alternatively, the engine speed may be indicated as lower than the actual engine speed if the crankshaft position sensor output voltage is insufficient.


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Start the engine.

    5. Enter the following menus: Powertrain / Transmission / Data List / Engine Speed

    6. According to the display on the GTS, read the Data List.


      Powertrain > Transmission > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Engine Speed Engine speed

      Min.: 0 rpm

      Max.: 16383 rpm

      		 680 to 780 rpm: Idling (shift lever in N, engine warmed up and A/C switch off) When the crankshaft position sensor is malfunctioning, "Engine Speed" is approximately 0 rpm or varies greatly from the actual engine speed.

      Powertrain > Transmission > Data List
      Tester Display
      Engine Speed

PROCEDURE


  1. CHECK DTC OUTPUT (SFI SYSTEM)


    1. Check for SFI system DTCs.

      Click here


      Powertrain > Engine > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO SFI SYSTEM Click here

    A

  2. REPLACE ECM


    1. Replace the ECM.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    PERFORM INITIALIZATION Click here