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Diagnosis Procedure
1.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Perform trouble diagnosis for ECM power supply and ground circuit. Refer to Diagnosis ProcedureDTC Diagnosis Procedure.
Is the inspection result normal?
.
Repair or replace error-detected parts.
 
2.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-1
  1. Turn ignition switch OFF.
  2. Disconnect accelerator pedal position (APP) sensor harness connector.
  3. Turn ignition switch ON.
  4. Check the voltage between APP sensor harness connector and ground.
    +-Voltage
    (Approx.)
    APP sensor
    ConnectorTerminal
    E252Ground 5V
Is the inspection result normal?
INSPECTION END
.
 
3.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-2
  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connector.
  3. Check the continuity between APP sensor harness connector and ECM harness connector.
    ++Continuity
    APP sensorECM
    ConnectorTerminalConnectorTerminal
    E252E16150Existed
Is the inspection result normal?
.
Repair open circuit.
 
4.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
  1. Disconnect following sensors harness connector.
  2. Check harness for short to power and short to ground, between the following terminals.
ECMSensor
ConnectorTerminalNameConnectorTerminal
F5286Intake camshaft position sensorF441
79 Refrigerant pressure sensorE331
77Engine oil pressure sensorF543
80Manifold absolute pressure (MAP) sensorF801
E16150APP sensor 2E252
Is the inspection result normal?
.
Repair short to ground or short to power in harness or connectors.
 
5.CHECK COMPONENTS
Check the following.
Is the inspection result normal?
.
Replace malfunctioning component.
 
6.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
Is the inspection result normal?
.
Repair or replace error-detected parts.
 
7.PERFORM DTC CONFIRMATION PROCEDURE
  1. Turn ignition switch ON.
  2. Erase DTC.
  3. Perform DTC confirmation procedure. Refer to DTC Description.
Is the 1st trip DTC P06B3 displayed again?
Replace ECM. Refer to ECM : Removal & Installation.
INSPECTION END