ECD SYSTEM(for Swirl Control Valve), Diagnostic DTC:P1320

DTC Code DTC Name
P1320 Crankshaft Signal Diagnose - DGI Error

DESCRIPTION

Refer to DTC P0335 (Click here).

DTC No.

DTC Detection Condition

Trouble Area

P1320

One of following conditions is met (3 trip detection logic):

  • Crankshaft position sensor signal pulse width outside permissible range

  • Crankshaft position sensor signal estimated stopped position further outside permissible range than actual stopped position

  • Invalid, reverse pulse detected

  • Open or short in crankshaft position sensor circuit

  • Crankshaft position sensor

  • ECM
Table 1. Related Data List

DTC No.

Data List

P1320

Engine Speed

WIRING DIAGRAM

A351169E06

CAUTION / NOTICE / HINT

Note:

When replacing the ECM and/or engine assembly, the ECM needs Registration and Initialization (Click here).

Tip:

  • When the ECM must be replaced, before replacing the ECM, perform the "Learning Values Save" function using the GTS. Then after installing the new ECM, perform all of the initialization/registrations for the "Learning Values Write" function by following the instructions shown on the GTS display.

  • Check the value on the GTS.

    1. Connect the GTS to the DLC3.

    2. Start the engine and turn the GTS on.

    3. Enter the following menus: Powertrain / Engine and ECT / Data List / Engine Speed.

  • The engine speed can be confirmed in the Data List using the GTS. If there are no NE signals from the crankshaft position sensor despite the engine running, the engine speed will be indicated as zero. If the voltage output of the crankshaft position sensor is insufficient, the engine speed will be indicated as lower than the actual engine speed.

  • Read freeze frame data using the GTS. Freeze frame data records the engine condition when malfunctions are detected. 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. READ VALUE USING GTS (ENGINE SPEED)

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON and turn the GTS on.

    3. Enter the following menus: Powertrain / Engine and ECT / Data List / Engine Speed.

    4. Read the value.

      OK

      Less than 1000 rpm when the vehicle state is idling

    CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIREDClick here

  2. CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)

    1. Disconnect the crankshaft position sensor connector.

    2. Disconnect the ECM connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      C88-2 (NE) - C112-121 (NE+)

      Always

      Below 1 Ω

      C88-3 (NE-) - C112-90 (NE-)

      Always

      Below 1 Ω

      C88-1 (VG) - C112-122 (VCNE)

      Always

      Below 1 Ω

      C88-2 (NE) or C112-121 (NE+) - Body ground

      Always

      10 kΩ or higher

      C88-3 (NE-) or C112-90 (NE-) - Body ground

      Always

      10 kΩ or higher

      C88-1 (VG) or C112-122 (VCNE) - Body ground

      Always

      10 kΩ or higher

    REPAIR OR REPLACE HARNESS OR CONNECTORClick here

  3. CHECK HARNESS AND CONNECTOR (POWER SOURCE)

    U122321E03

    1. Disconnect the crankshaft position sensor connector.

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

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      C88-1 (VG) - Body ground

      Ignition switch ON

      4.5 to 5.5 V
      Table 2. Text in Illustration

      *a

      Front view of wire harness connector

      (to crankshaft position sensor)

    REPLACE ECMClick here

  4. REPLACE CRANKSHAFT POSITION SENSOR

    1. Replace crankshaft position sensor (Click here).

    CHECK WHETHER DTC OUTPUT RECURSClick here

  5. REPAIR OR REPLACE HARNESS OR CONNECTOR

    1. Repair or replace the harness or connector.

    CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIREDClick here

  6. CHECK WHETHER DTC OUTPUT RECURS

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON and turn the GTS on.

    3. Clear the DTCs (Click here).

    4. Turn the ignition switch off and wait for 60 seconds or more [A].

    5. Perform road test [B].

    6. Repeat [A] and [B] for the number of trips detected.

    7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

    8. Confirm that the DTC is not output again.

    END

  7. REPLACE ECM

    1. Replace the ECM (Click here).

  8. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON and turn the GTS on.

    3. Clear the DTCs (Click here).

    4. Turn the ignition switch off and wait for 60 seconds or more [A].

    5. Perform road test [B].

    6. Repeat [A] and [B] for the number of trips detected.

    7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

    8. Confirm that the DTC is not output again.

    END