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 DTC P0071 [MZR-CD (RF Turbo)]

DTC P0071 [MZR-CD (RF Turbo)]

id0102f1117100

DTC P0071

Exhaust gas pressure correction temperature sensor circuit range/performance malfunction

DETECTION CONDITION

• The PCM monitors the temperature from exhaust gas pressure correction temperature sensor signal. If the temperature is less than 13 °C {55 °F}, the PCM determines that there is a malfunction in exhaust gas pressure correction temperature sensor.

POSSIBLE CAUSE

• Exhaust gas pressure correction temperature sensor malfunction
• Connector or terminal malfunction
• PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related service repair information availability.
• Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY CURRENT SIGNAL STATUS: IS CONCERN INTERMITTENT OR CONSTANT?
• Connect the WDS or equivalent to the DLC-2.
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine.
• Is the PENDING CODE for this DTC present?
Yes
Go to the next step.
No
Intermittent concern exists.
Perform the "INTERMITTENT CONCERN TROUBLESHOOTING".
4
INSPECT EXHAUST GAS PRESSURE CORRECTION TEMPERATURE SENSOR CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Disconnect the exhaust gas pressure correction temperature sensor connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 7.
No
Go to the next step.
5
INSPECT EXHAUST GAS PRESSURE CORRECTION TEMPERATURE SENSOR
• Inspect the exhaust gas pressure correction temperature sensor.
• Is there any malfunction?
Yes
Replace the exhaust gas pressure correction temperature sensor, then go to Step 7.
No
Go to the next step.
6
INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Disconnect the PCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
Yes
Repair or replace the terminal, then go to the next step.
No
Go to the next step.
7
VERIFY TROUBLESHOOTING OF DTC P0071 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine.
• Is the PENDING CODE for this DTC present?
Yes
Replace the PCM, then go to the next step.
No
Go to the next step.
8
VERIFY AFTER REPAIR PROCEDURE
• Perform the Repair Verification Drive Mode.
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.