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DTC Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC P2122 is displayed with DTC P06B0, first perform the trouble diagnosis for DTC P06B0.
Is applicable DTC detected?
Perform diagnosis of applicable. Refer to DTC Description.
.
 
2.CHECK APP SENSOR 1 POWER SUPPLY
  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
    E253Ground5 V
Is the inspection result normal?
.
.
 
3.CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
  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
    E253E16154Existed
  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.
 
4.CHECK APP SENSOR 1 GROUND CIRCUIT
  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
    E255E16159Existed
  4. Also check harness for short to power.
Is the inspection result normal?
.
Repair or replace error-detected parts.
 
5.CHECK APP SENSOR INPUT SIGNAL CIRCUIT
  1. Check the continuity between APP sensor harness connector and ECM harness connector.
    +−Continuity
    APP sensorECM
    ConnectorTerminalConnectorTerminal
    E254E16158Existed
  2. Also check harness for short to ground and to power.
Is the inspection result normal?
.
Repair or replace error-detected parts.
 
6.CHECK APP SENSOR
Check the APP sensor. Refer to Component Inspection.
Is the inspection result normal?
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
Replace accelerator pedal assembly. Refer to Removal and Installation.