DTC    P1604    Startability Malfunction

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK ANY OTHER DTCS OUTPUT AND RECORD FREEZE FRAME DATA (IN ADDITION TO DTC P1604)

CHECK ENGINE IMMOBILISER SYSTEM

CHECK MALFUNCTION CONDITION

READ FREEZE FRAME DATA

READ FREEZE FRAME DATA

CHECK CRANKSHAFT POSITION SENSOR INSTALLATION

CHECK CRANKSHAFT POSITION SENSOR

CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)

CHECK CRANKSHAFT POSITION SENSOR

READ FREEZE FRAME DATA

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE FUEL PUMP/SPEED)

CHECK HARNESS AND CONNECTOR (FUEL INJECTOR CIRCUIT)

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE FUEL PUMP/SPEED)

CHECK FUEL SYSTEM

READ FREEZE FRAME DATA

INSPECT FUEL INJECTOR ASSEMBLY

CHECK FUEL SYSTEM

READ FREEZE FRAME DATA

CHECK FUEL PRESSURE

CHECK FUEL INJECTOR ASSEMBLY

INSPECT FUEL INJECTOR ASSEMBLY

CHECK THROTTLE BODY ASSEMBLY

CHECK INTAKE SYSTEM

PERFORM SIMULATION TEST

CONFIRM PROBLEM SYMPTOM

PERFORM SIMULATION TEST

INSPECT BATTERY

CHECK ENGINE ASSEMBLY

INSPECT STARTER ASSEMBLY

INSPECT BATTERY

INSPECT STARTER ASSEMBLY

PERFORM SIMULATION TEST

INSPECT BATTERY

CHECK ENGINE ASSEMBLY

INSPECT FUEL INJECTOR ASSEMBLY

CHECK FUEL PRESSURE

CHECK SPARK PLUG AND SPARK

CONFIRM VEHICLE CONDITION

CHECK FUEL PRESSURE

CHECK FUEL INJECTOR ASSEMBLY

INSPECT SPARK PLUG

READ VALUE USING INTELLIGENT TESTER (ENGINE SPEED)

CHECK HARNESS AND CONNECTOR (IGNITION COIL POWER SOURCE)

CHECK HARNESS AND CONNECTOR (IGNITION COIL - ECM)

CHECK HARNESS AND CONNECTOR (IGNITION COIL - ECM)

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE FUEL PUMP/SPEED)

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE FUEL PUMP/SPEED)

READ VALUE USING INTELLIGENT TESTER (ENGINE SPEED)

CHECK HARNESS AND CONNECTOR (FUEL INJECTOR POWER SOURCE)

CHECK HARNESS AND CONNECTOR (FUEL INJECTOR - ECM)

INSPECT MANIFOLD ABSOLUTE PRESSURE SENSOR

CHECK INTAKE SYSTEM

INSPECT THROTTLE BODY ASSEMBLY

INSPECT THROTTLE BODY ASSEMBLY

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE VVT SYSTEM)

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE EGR STEP POSITION)

INSPECT EGR VALVE ASSEMBLY

CHECK HARNESS AND CONNECTOR (MANIFOLD ABSOLUTE PRESSURE SENSOR - ECM)

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

CHECK HARNESS AND CONNECTOR (ENGINE COOLANT TEMPERATURE SENSOR - ECM)

INSPECT MANIFOLD ABSOLUTE PRESSURE SENSOR

CHECK HARNESS AND CONNECTOR (MANIFOLD ABSOLUTE PRESSURE SENSOR - ECM)

READ VALUE USING INTELLIGENT TESTER (LONG FT #1, ATMOSPHERE PRESSURE)

PERFORM SIMULATION TEST

INSPECT AIR FUEL RATIO SENSOR

PERFORM SIMULATION TEST

CHECK FUEL PRESSURE

INSPECT SPARK PLUG

PERFORM SIMULATION TEST

CHECK FUEL PRESSURE

CHECK FUEL INJECTOR ASSEMBLY

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE FUEL PUMP/SPEED)

CHECK MALFUNCTION CONDITION

INSPECT FUEL INJECTOR ASSEMBLY

CHECK HARNESS AND CONNECTOR (FUEL INJECTOR POWER SOURCE)

CHECK HARNESS AND CONNECTOR (FUEL INJECTOR - ECM)

CHECK CRANKSHAFT POSITION SENSOR

CHECK CAMSHAFT POSITION SENSOR

CHECK CRANKSHAFT POSITION SENSOR (SENSOR INSTALLATION)

CHECK CAMSHAFT POSITION SENSOR (SENSOR INSTALLATION)

CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)

CHECK HARNESS AND CONNECTOR (CAMSHAFT POSITION SENSOR - ECM)

CHECK CRANKSHAFT POSITION SENSOR

CHECK CAMSHAFT POSITION SENSOR

READ VALUE USING INTELLIGENT TESTER (ISC LEARNING VALUE)

CHECK CYLINDER COMPRESSION PRESSURE

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

CHECK FUEL PRESSURE

READ VALUE USING INTELLIGENT TESTER (LONG FT #1)

PERFORM SIMULATION TEST

CHECK CRANKSHAFT POSITION SENSOR (SENSOR INSTALLATION)

CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)

CHECK CRANKSHAFT POSITION SENSOR

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE FUEL PUMP/SPEED)

INSPECT FUEL PUMP (RESISTANCE)

CHECK FUEL PRESSURE

READ VALUE USING INTELLIGENT TESTER (LONG FT #1)

PERFORM SIMULATION TEST

CHECK CRANKSHAFT POSITION SENSOR (SENSOR INSTALLATION)

CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)

CHECK CRANKSHAFT POSITION SENSOR

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE FUEL PUMP/SPEED)

INSPECT FUEL PUMP (RESISTANCE)

INSPECT PURGE VSV

CHECK FUEL INJECTOR ASSEMBLY

INSPECT INTAKE VALVE

READ VALUE USING INTELLIGENT TESTER (ISC LEARNING VALUE)

CHECK CYLINDER COMPRESSION PRESSURE

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

CHECK CRANKSHAFT POSITION SENSOR (SENSOR INSTALLATION)

CHECK CAMSHAFT POSITION SENSOR (SENSOR INSTALLATION)

CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)

CHECK HARNESS AND CONNECTOR (CAMSHAFT POSITION SENSOR - ECM)

CHECK CRANKSHAFT POSITION SENSOR

CHECK CAMSHAFT POSITION SENSOR