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DTC Diagnosis Procedure
1.CHECK THROTTLE CONTROL MOTOR POWER SUPPLY
  1. Turn ignition switch ON.
  2. Check the voltage between ECM harness connector and ground.
    +−Voltage
    ECM
    ConnectorTerminalConnectorTerminal
    F515E16160Battery voltage
    E16153
Is the inspection result normal?
.
.
 
2.CHECK THROTTLE CONTROL MOTOR POWER SUPPLY CIRCUIT
  1. Disconnect ECM harness connector.
  2. Disconnect IPDM E/R harness connector.
  3. Check the continuity between ECM harness connector and IPDM E/R harness connector.
    +−Continuity
    ECMIPDM E/R
    ConnectorTerminalConnectorTerminal
    F515F3573Existed
    E16153
  4. Also check harness for short to ground.
Is the inspection result normal?
Perform the trouble diagnosis for power supply circuit.
Repair or replace error-detected parts.
 
3.CHECK THROTTLE CONTROL MOTOR INPUT SIGNAL
Check the voltage between ECM harness connector and ground as per the following conditions.
ECMConditionVoltage
(Approx.)
+−
ConnectorTerminalConnectorTerminal
F5124E16160Ignition switch: OFF0 V
Ignition switch: ONBattery voltage
Is the inspection result normal?
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
.
 
4.CHECK THROTTLE CONTROL MOTOR INPUT SIGNAL CIRCUIT
  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connector.
  3. Disconnect IPDM E/R harness connector.
  4. Check the continuity between ECM harness connector and IPDM E/R harness connector.
    +−Continuity
    ECMIPDM E/R
    ConnectorTerminalConnectorTerminal
    F5124F4293Existed
  5. Also check harness for short to ground and to power.
Is the inspection result normal?
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
Repair or replace error-detected parts.