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DTC P0340-00: Camshaft Position Sensor "A" Circuit Bank 1 Or Single Sensor: Notes

WARNING: This page is about a different variant/trim than selected.

1. - 

Detecting condition: 

While the engine is running, the statue without GI signal (camshaft position sensor) continues for 2 seconds or more.

(1 trip detection logic)

Trouble symptom: 

Normal driving (vibration may occur at engine start → stop)

Wiring diagram: 

Hybrid system Ref. to WIRING SYSTEM (CROSSTREK MODEL (HEV))>HYBRID ELECTRIC VEHICLE SYSTEM>WIRING DIAGRAM .

G13238138Courtesy of SUBARU OF AMERICA, INC.
CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
G13615820Courtesy of SUBARU OF AMERICA, INC.
G13615821Courtesy of SUBARU OF AMERICA, INC.
  1. CHECK DTC  .

    Read the DTC of [Engine Control System] using the Subaru Select Monitor. Ref. to ENGINE (DIAGNOSTICS) (H4DO (HEV))>DIAGNOSTIC TROUBLE CODE (DTC) .

    NOTE:
    Related DTC 
    P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT
    P0336 CRANKSHAFT POSITION SENSOR "A" CIRCUIT RANGE/PERFORMANCE

    Are any DTCs listed in reference above displayed?

    Yes 

    Perform the diagnosis for the displayed DTCs. Ref. to ENGINE (DIAGNOSTICS) (H4DO (HEV))>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT . Ref. to ENGINE (DIAGNOSTICS) (H4DO (HEV))>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P0336 CRANKSHAFT POSITION SENSOR "A" CIRCUIT RANGE/PERFORMANCE .

    NOTE: If more than one DTC is simultaneously displayed, perform the diagnosis in the order described in the above.

    No:  Go to  2.

  2. CHECK DTC  .

    Read the DTC of [P-HEV Drive Motor] using the Subaru Select Monitor. Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    NOTE:
    Related DTC 
    P06B01C GENERATOR CONTROL MODULE POSITION SENSOR REF POWER SOURCE CIRCUIT VOLTAGE OUT OF RANGE
    P06D61C GENERATOR CONTROL MODULE OFFSET POWER CIRCUIT VOLTAGE OUT OF RANGE
    P0A1B1F GENERATOR CONTROL MODULE CIRCUIT INTERMITTENT
    P1C2B49 DRIVE MOTOR "A" CONTROL MODULE A/D CONVERTER CIRCUIT INTERNAL ELECTRONIC FAILURE
    P1C2B1C DRIVE MOTOR "A" CONTROL MODULE A/D CONVERTER CIRCUIT VOLTAGE OUT OF RANGE
    P1CAD49 DRIVE MOTOR "A" POSITION SENSOR INTERNAL ELECTRONIC FAILURE
    P1CB038 DRIVE MOTOR "A" POSITION SENSOR REF SIGNAL FREQUENCY INCORRECT
    P313487 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR MISSING MESSAGE
    P313483 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT
    P313486 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR SIGNAL INVALID

    Are any DTCs listed in reference above displayed?

    Yes:  Perform the diagnosis for the displayed DTCs. Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    NOTE: If more than one DTC is simultaneously displayed, perform the diagnosis in the order described in the above.

    No:  Go to  3.

  3. CHECK THE CONNECTING CONDITION OF CONNECTOR (Inverter with converter assembly LOW PRESSURE CONNECTOR)  .
    CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
    1. Check that the Service plug is disconnected. Ref. to HYBRID ELECTRIC VEHICLE>SERVICE PLUG .
    2. Check the connecting condition of connector (HV23) in Inverter with converter assembly and check the relevant terminals for contact pressure, deformation and intrusion of water or foreign matter. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
    NOTE: When connecting the connector, insert to the end with the lock lever raised, then fold the lock lever completely until a click is heard. After connected, make sure that the lock claw does not loosen and pull the connector to see that it does not come off.

    Is there looseness at the connector connection, or any poor contact, deformation or intrusion of water or foreign matters at the relevant terminals?

    Yes:  Connect the connector securely. Or repair the poor contact of connector.

    No:  Go to  4.

  4. CHECK CONNECTOR CONNECTION CONDITION (ECM CONNECTOR)  .

    Check the connecting condition of connector (E158) in ECM and check the relevant terminals for contact pressure. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (HEV))>ENGINE CONTROL MODULE (ECM) .

    NOTE: When connecting the connector, insert to the end with the lock lever raised, then fold the lock lever completely until a click is heard. After connected, make sure that the lock claw does not loosen and pull the connector to see that it does not come off.

    Is there looseness at the connector connection, or any poor contact at the relevant terminals?

    Yes:  Connect the connector securely. Or repair the poor contact of connector.

    No:  Go to  5.

  5. CHECK Wire harness AND CONNECTOR (Inverter with converter assembly - ECM) (SHORT TO POWER SUPPLY)  .
    CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
    1. Disconnect Inverter with converter assembly connector (HV23).
    2. Disconnect ECM connector (E158).
    3. Connect the Battery (12V) ground terminal. Ref. to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
    4. Turn to IG ON.
    5. Using a tester, measure the voltage between ECM connector and chassis ground.
    CAUTION: Use the check board when measuring the ECM terminal voltage and resistance. Ref. to ENGINE (DIAGNOSTICS) (H4DO (HEV))>GENERAL DESCRIPTION>PREPARATION TOOL>HOW TO USE CHECK BOARD .

    Connector & terminal 

    (E158) No. 7 (+) - Chassis ground (-): 

    Is the voltage less than 1 V?

    Yes:  Go to  6.

    No:  Repair or replace the Wire harness between Inverter with converter assembly connector and ECM connector.

  6. CHECK Wire harness AND CONNECTOR (Inverter with converter assembly - ECM) (OPEN CIRCUIT)  .
    CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
    1. Turn the ignition to OFF.
    2. Disconnect the ground terminal of Battery (12V). Ref. to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
    3. Using a tester, measure the resistance between Inverter with converter assembly connector and ECM connector.
    CAUTION: Use the check board when measuring the ECM terminal voltage and resistance. Ref. to ENGINE (DIAGNOSTICS) (H4DO (HEV))>GENERAL DESCRIPTION>PREPARATION TOOL>HOW TO USE CHECK BOARD .

    Connector & terminal 

    (E158) No. 7 - (HV23) No. 10:

    Is the resistance less than 1 Ω?

    Yes:  Go to  7.

    No:  Repair or replace the Wire harness between Inverter with converter assembly connector and ECM connector.

  7. CHECK Wire harness AND CONNECTOR (Inverter with converter assembly - ECM) (SHORT TO GROUND OR LINE-TO-LINE SHORT)  .
    CAUTION: Make sure to wear insulated gloves and protective goggles during the work.

    Using a tester, measure the resistance between terminals in Inverter with converter assembly connector, and between Inverter with converter assembly connector and chassis ground.

    Connector & terminal 

    (HV23) No. 10 - (HV23) No. 1 - 24:

    (HV23) No. 10 - Chassis ground:

    Is the resistance 10 kΩ or more?

    Yes:  Go to  8.

    No:  Repair or replace the Wire harness between Inverter with converter assembly connector and ECM connector.

  8. CHECK THE ECM UNIT  .
    1. Disconnect ECM connector (B134).
    2. Using a tester, measure the resistance between ECM terminals. (ECM side)
    CAUTION: Use the check board when measuring the ECM terminal voltage and resistance. Ref. to ENGINE (DIAGNOSTICS) (H4DO (HEV))>GENERAL DESCRIPTION>PREPARATION TOOL>HOW TO USE CHECK BOARD .

    Connector & terminal 

    (E158) No. 7 - (B134) No. 69:

    (E158) No. 7 - (B134) No. 70:

    (E158) No. 7 - (B134) No. 71:

    (E158) No. 7 - (B134) No. 72:

    Is the resistance 10 kΩ or more?

    Yes:  Replace Inverter with converter assembly. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .

    No:  Replace ECM. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (HEV))>ENGINE CONTROL MODULE (ECM) .

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