ECD SYSTEM, Diagnostic DTC:P0524

DTC Code DTC Name
P0524 Engine Oil Pressure Too Low

DESCRIPTION


P0524
DTC Detection Drive Pattern DTC Detection Condition Trouble Area
Turn the ignition switch to ON and wait 60 seconds. The engine oil pressure switch remains OFF for 60 seconds or more while the engine is running (1 trip detection logic).

  • Short in engine oil pressure switch circuit

  • ECM

  • Engine oil amount insufficient

Tech Tips

A drop in engine oil pressure is indicated by a light in the combination meter assembly. Driving the vehicle while the light is on may lead to engine damage. Checking whether DTC P0524 has been stored will help in determining whether the engine was damaged due to low engine oil pressure.

WIRING DIAGRAM

A01CIVLE04

INSPECTION PROCEDURE

Note

After replacing the ECM, the new ECM needs registration Click here and initialization Click here.

Tech Tips

Read freeze frame data using the intelligent tester. 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, and other data from the time the malfunction occurred.

PROCEDURE


  1. CHECK ENGINE OIL LEVEL


    1. Check the engine oil level Click here.

    2. Check the state of the oil level warning light.

      Result
      Result Proceed to
      Engine oil level is low and oil level warning light is illuminated A
      Engine oil level is within the specified range and oil level warning light is not illuminated B

      Tech Tips

      If the oil level warning light is not illuminated even though the engine oil level is lower than the Low mark, or the oil level warning light is illuminated even though the engine oil level is within the specified range, inspect the oil level sensor and related parts for malfunctions.


    B

    CHECK HARNESS AND CONNECTOR (ENGINE OIL PRESSURE SWITCH - ECM) Click here

    A

  2. CHECK FOR ENGINE OIL LEAKS


    1. Check for engine oil leaks.

      Result
      If there are engine oil leaks, perform repairs.

    NEXT

  3. ADD ENGINE OIL


    1. Add engine oil.


    NEXT

  4. CHECK HARNESS AND CONNECTOR (ENGINE OIL PRESSURE SWITCH - ECM)


    1. Disconnect the oil pressure switch connector.

    2. Disconnect the ECM connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      E32-1 - E37-19 (OSW) Always 10 kΩ or higher
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      E32-1 or E37-19 (OSW) - Body ground Always 10 kΩ or higher

    4. Reconnect the oil pressure switch connector.

    5. Reconnect the ECM connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK ECM TERMINAL VOLTAGE (OSW TERMINAL)


    1. A01CHEOE66
      Text in Illustration
      *a

      Component with harness connected

      (ECM)

      Turn the ignition switch to ON.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      E37-19 (OSW) - Body ground Ignition switch ON, engine not running 0 to 2 V
      E37-19 (OSW) - Body ground Idling 18 to 27 V

    NG

    REPLACE ENGINE OIL PRESSURE SWITCH

    OK

    REPLACE ECM Click here