Dtc Description

DTC Description

DTC DETECTION LOGIC

Possible Cause

• Harness or connectors

  • Exhaust camshaft position sensor circuit is open or shorted.

  • Sensor power supply 1 circuit is shorted.

• Exhaust camshaft position sensor

• Exhaust camshaft

• Starter motor

• Starting circuit

• Battery deterioration

• Sensor power supply 1 circuit sensors

FAIL-SAFE

Engine Control System

Idle Start/Stop System

When a DTC is detected, the start/stop indicator lamp blinks slowly and the idle start/stop system operation is prohibited.

When ECM detects error while operating the idle start/stop system, ECM restarts the engine.

Confirmation Procedure

Confirmation Procedure

1. CHECK DTC PRIORITY

   If DTC P0365 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.

   Is applicable DTC detected?

   YES >>

   Perform diagnosis of applicable. Refer to DTC Description.

   NO >>

   GO TO 2.

2. PRECONDITIONING

   If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

   1. Turn ignition switch OFF and wait at least 10 seconds.

   2. Turn ignition switch ON.

   3. Turn ignition switch OFF and wait at least 10 seconds.

   TESTING CONDITION:

   Before performing the following procedure, confirm that battery voltage is more than 10.5 V at idling.

   >>

   GO TO 3.

3. PERFORM DTC CONFIRMATION PROCEDURE-1

   1. Start engine and let it idle for at least 5 seconds.

      If engine does not start, crank engine for at least 2 seconds.

   2. Check 1st trip DTC.

   Is 1st trip DTC detected?

   YES >>

   Proceed to DTC Diagnosis Procedure.

   NO >>

   GO TO 4.

4. PERFORM DTC CONFIRMATION PROCEDURE-2

   1. Keep the engine speed at more than 800 rpm for at least 5 seconds.

   2. Check 1st trip DTC.

   Is 1st trip DTC detected?

   YES >>

   Proceed to DTC Diagnosis Procedure.

   NO-1 >>

   To check malfunction symptom before repair: Refer to Intermittent Incident.

   NO-2 >>

   Confirmation after repair: INSPECTION END 

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

1. CHECK DTC PRIORITY

   If DTC P0365 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.

   Is applicable DTC detected?

   YES >>

   Perform diagnosis of applicable. Refer to DTC Description.

   NO >>

   GO TO 2.

2. CHECK STARTING SYSTEM

   Turn ignition switch to START position.

   Does the engine turn over? Does the starter motor operate?

   YES >>

   GO TO 3.

   NO >>

   Check starting system. Refer to Work Flow (With 165-DSS-5000P), Work Flow (Without 165-DSS-5000P).

3. CHECK EXHAUST CAMSHAFT POSITION SENSOR POWER SUPPLY CIRCUIT-1

   1. Turn ignition switch OFF.

   2. Disconnect exhaust camshaft position sensor harness connector.

   3. Turn ignition switch ON.

   4. Check the voltage between exhaust camshaft position sensor harness connector terminals.

      Exhaust camshaft position sensor			Voltage (Approx.)
      Connector	+	−
      	Terminals
      F57	1	2	5 V

   Is the inspection result normal?

   YES >>

   GO TO 9.

   NO >>

   GO TO 4.

4. CHECK EXHAUST CAMSHAFT POSITION SENSOR POWER SUPPLY CIRCUIT-2

   Check the voltage between exhaust camshaft position sensor harness connector and ground.

   +		−	Voltage (Approx.)
   Exhaust camshaft position sensor
   Connector	Terminal
   F57	1	Ground	5 V

   Is the inspection result normal?

   YES >>

   GO TO 7.

   NO >>

   GO TO 5.

5. CHECK EXHAUST CAMSHAFT POSITION SENSOR POWER SUPPLY CIRCUIT-3

   1. Turn ignition switch OFF.

   2. Disconnect ECM harness connector.

   3. Check the continuity between exhaust camshaft position sensor harness connector and ECM harness connector.

      Exhaust camshaft position sensor		ECM		Continuity
      Connector	Terminal	Connector	Terminal
      F57	1	F24	28	Existed

   Is the inspection result normal?

   YES >>

   GO TO 6.

   NO >>

   Repair or replace error-detected parts.

6. CHECK SENSOR POWER SUPPLY 1 CIRCUIT

   Refer to DTC Diagnosis Procedure.

   Is the inspection result normal?

   YES >>

   INSPECTION END

   NO >>

   Replace malfunctioning parts.

7. CHECK EXHAUST CAMSHAFT POSITION SENSOR GROUND CIRCUIT

   1. Turn ignition switch OFF.

   2. Disconnect ECM harness connector.

   3. Check the continuity between exhaust camshaft position sensor harness connector and ECM harness connector.

      Exhaust camshaft position sensor		ECM		Continuity
      Connector	Terminal	Connector	Terminal
      F57	2	F24	30	Existed

   4. Also check harness for short to power.

   Is the inspection result normal?

   YES >>

   GO TO 8.

   NO >>

   Repair or replace error-detected parts.

8. CHECK ECM GROUND CIRCUIT

   Check the continuity between ECM harness connector and ground.

   ECM		Ground	Continuity
   Connector	Terminal
   F24	5	Ground	Existed
   	65
   F25	69
   E16	157
   	159
   	162

   Is the inspection result normal?

   YES >>

   INSPECTION END

   NO >>

   Repair or replace error-detected parts.

9. CHECK EXHAUST CAMSHAFT POSITION SENSOR INPUT SIGNAL CIRCUIT

   1. Check the continuity between exhaust camshaft position sensor harness connector and ECM harness connector.

      Exhaust camshaft position sensor		ECM		Continuity
      Connector	Terminal	Connector	Terminal
      F57	3	F24	29	Existed

   2. Also check harness for short to power.

   Is the inspection result normal?

   YES >>

   GO TO 10.

   NO >>

   Repair or replace error-detected parts.

10. CHECK EXHAUST CAMSHAFT POSITION SENSOR

    Refer to Component Inspection.

    Is the inspection result normal?

    YES >>

    GO TO 11.

    NO >>

    Replace exhaust camshaft position sensor. Refer to Exploded View.

11. CHECK CAMSHAFT (EXT)

    Check the following.

    • Accumulation of debris to the signal plate of camshaft rear end

      

    • Chipping signal plate of camshaft rear end

    Is the inspection result normal?

    YES >>

    INSPECTION END

    NO >>

    Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to Exploded View.