DTC P1305:92 [MZ-CD 1.6]


id0102g8126400

DTC P1305:92

EGR calibration low - performance or incorrect operation

DETECTION CONDITION
•  After the EGR valve learning is implemented, if the learning is unsuccessful even after 2 s or more have elapsed, the PCM determines that the EGR valve has a problem.
POSSIBLE CAUSE
•  Exhaust gas recirculation valve learned values reset procedure improperly
•  EGR valve stuck in open or closed position
•  EGR valve position sensor malfunction
•  EGR valve actuator malfunction
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has the 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 RELATED PENDING CODE AND/OR DTC
•  Switch the ignition to ON (engine off).
•  Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
•  Is the other PENDING CODE/DTC also present?
Yes
Go to the applicable DTC inspection.
No
Go to the next step.
4
PERFORM EXHAUST GAS RECIRCULATION VALVE LEARNED VALUES RESET
•  Clear the DTC from the PCM memory using the M-MDS.
•  Perform the EXHAUST GAS RECIRCULATION VALVE LEARNED VALUES RESET procedures.
•  Run the vehicle under the FREEZE FRAME DATA stored condition.
•  Is the same DTC present?
Yes
Go to the next step.
No
Troubleshooting is completed.
Go to Step 8.
5
VISUALLY INSPECT EGR VALVE FOR CONTAMINATION
•  Remove the EGR valve component.
•  Visually inspect EGR valve.
•  Is there any contamination?
Yes
Clean the EGR valve, then go to Step 7.
No
Go to the next step.
6
INSPECT EGR VALVE POSITION SENSOR
•  Inspect the EGR valve position sensor.
•  Is there any malfunction?
Yes
Replace the EGR valve component, then go to the next step.
No
Go to the next step.
7
VERIFY THAT DTC P1305:92 TROUBLESHOOTING IS COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Run the vehicle under the FREEZE FRAME DATA stored condition.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM.
Go to the next step.
No
Go to the next step.
8
VERIFY AFTER REPAIR PROCEDURE
•  Perform the after repair procedure.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.