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DTC Diagnosis Procedure
1.CHECK ECM POWER SUPPLY
  1. Turn ignition switch OFF, wait at least 10 seconds and then turn it ON.
  2. Check the voltage between ECM harness connector terminals.
    ECMVoltage
    Connector+–
    Terminal
    E16153160Battery voltage
Is the inspection result normal?
.
Refer to Diagnosis ProcedureDTC Diagnosis Procedure.
 
2.CHECK CONDENSER-1 POWER SUPPLY
  1. Turn ignition switch OFF.
  2. Disconnect condenser-1 harness connector.
  3. Turn ignition switch ON.
  4. Check the voltage between condenser-1 harness connector and ground.
    +-Voltage
    Condenser-1
    ConnectorTerminal
    F261GroundBattery voltage
Is the inspection result normal?
.
.
 
3.CHECK CONDENSER-1 POWER SUPPLY CIRCUIT
  1. Turn ignition switch OFF.
  2. Disconnect IPDM E/R harness connector.
  3. Check the continuity between IPDM E/R harness connector and condenser-1 harness connector.
    +-Continuity
    IPDM E/RCondenser-1
    ConnectorTerminalConnectorTerminal
    F3566F261Existed
  4. Also check harness for short to ground and to power.
Is the inspection result normal?
Refer to Diagnosis ProcedureDTC Diagnosis Procedure.
Repair open circuit, short to ground or short to power in harness or connectors.
 
4.CHECK CONDENSER-1 GROUND CIRCUIT
  1. Turn ignition switch OFF.
  2. Check the continuity between condenser-1 harness connector and ground.
    +-Voltage
    Condenser-1
    ConnectorTerminal
    F262GroundExisted
  3. Also check harness for short to power.
Is the inspection result normal?
.
Repair open circuit or short to power in harness or connectors.
 
5.CHECK CONDENSER-1
Check condenser-1. Refer to Component InspectionComponent Inspection (Condenser-1).
Is the inspection result normal?
.
Replace condenser-1.
 
6.CHECK IGNITION COIL POWER SUPPLY
  1. Reconnect all harness connectors disconnected.
  2. Disconnect ignition coil harness connector.
  3. Turn ignition switch ON.
  4. Check the voltage between ignition coil harness connector and ground.
    +-Voltage
    Ignition coil
    CylinderConnectorTerminal
    1F473GroundBattery voltage
    2F463
    3F483
    4F493
Is the inspection result normal?
.
Repair or replace harness or connectors.
 
7.CHECK IGNITION COIL GROUND CIRCUIT
  1. Turn ignition switch OFF.
  2. Check the continuity between ignition coil harness connector and ground.
    +-Continuity
    Ignition coil
    CylinderConnectorTerminal
    1F472GroundExisted
    2F462
    3F482
    4F492
  3. Also check harness for short to power.
Is the inspection result normal?
.
Repair open circuit or short to power in harness or connectors.
 
8.CHECK IGNITION COIL OUTPUT SIGNAL CIRCUIT
  1. Disconnect ECM harness connector.
  2. Check the continuity between ignition coil harness connector and ECM harness connector.
    +-Continuity
    Ignition coilECM
    CylinderConnectorTerminalConnectorTerminal
    1F471F5135Existed
    2F46144
    3F48133
    4F49136
  3. Also check harness for short to ground and to power.
Is the inspection result normal?
.
Repair open circuit, short to ground or short to power in harness or connectors.
 
9.CHECK IGNITION COIL WITH POWER TRANSISTOR
Check ignition coil with power transistor. Refer to Component InspectionComponent Inspection (Ignition Coil with Power Transistor).
Is the inspection result normal?
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
Replace malfunctioning ignition coil with power transistor. Refer to Removal and Installation.