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Home >> Subaru >> 2006 >> Baja Turbo, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls - Engine (Diagnostics) (H4SO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0340 - Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor) -

DTC P0340 - Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor) -

WARNING: This page is about a different variant/trim than selected.
CAUTION: After repair or replacement of malfunctioning parts, conduct Clear Memory Mode < Ref. to OPERATION , CLEAR MEMORY MODE > and INSPECTION MODE  < Ref. to OPERATION , INSPECTION MODE. >
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK HARNESS BETWEEN CAMSHAFT POSITION SENSOR AND ECM CONNECTOR. 
  1. Turn ignition switch to OFF.
  2. Disconnect connector from camshaft position sensor.
  3. Measure resistance of harness between camshaft position sensor connector and engine ground.

    Connector & terminal 

    (E15) No. 1 - Engine ground: 

Is the measured value more than 100 kΩ? Repair harness and connector.
NOTE: In this case, repair the following:
  • Open circuit in harness between camshaft position sensor and ECM connector
  • Poor contact in ECM connector
  • Poor contact in coupling connector
Go to step 2. 
2 CHECK HARNESS BETWEEN CAMSHAFT POSITION SENSOR AND ECM CONNECTOR. 
Measure resistance of harness between camshaft position sensor connector and engine ground.
Connector & terminal 
(E15) No. 1 - Engine ground: 
Is the measured value less than 10Ω? Repair ground short circuit in harness between camshaft position sensor and ECM connector.
NOTE: The harness between both connectors are shielded. Repair ground short circuit in harness together with shield.
Go to step 3. 
3 CHECK HARNESS BETWEEN CAMSHAFT POSITION SENSOR AND ECM CONNECTOR. 
Measure resistance of harness between camshaft position sensor connector and engine ground.
Connector & terminal 
(E15) No. 2 - Engine ground: 
Is the measured value less than 5 Ω? Go to step 4.  Repair harness and connector.
NOTE: In this case, repair the following:
  • Open circuit in harness between camshaft position sensor and ECM connector
  • Poor contact in ECM connector
  • Poor contact in coupling connector
4 CHECK CONDITION OF CAMSHAFT POSITION SENSOR.  Is the camshaft position sensor installation bolt tightened securely? Go to step 5.  Tighten camshaft position sensor installation bolt securely.
5 CHECK CAMSHAFT POSITION SENSOR. 
  1. Remove camshaft position sensor.
  2. Measure resistance between connector terminals of camshaft position sensor.

    Terminals No. 1 - No. 2: 

Is the measured value within 1 to 4 kΩ? Repair poor contact in camshaft position sensor connector. Replace camshaft position sensor. < Ref. to CAMSHAFT POSITION SENSOR . >