STOP AND START SYSTEM, Diagnostic DTC:P062F

DTC Code	DTC Name
P062F	Internal Control Module EEPROM Error

DESCRIPTION

The engine stop and start ECU stores the number of starter assembly operations, air conditioning information, and the deceleration sensor zero point learning results.

If the engine stop and start ECU cannot write the number of starter assembly operations, air conditioning information, or the deceleration sensor zero point learning results, it stores DTC P062F, blinks the stop and start cancel indicator light, and prohibits stop and start control.


DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Memory
P062F	Internal Control Module EEPROM Error	Any of the following conditions are met (1 trip detection logic): Air conditioning information cannot be written The deceleration sensor zero point learning value cannot be written The number of starter operations was not successfully written to the EEPROM.	Engine stop and start ECU	Blinks	DTC stored

CONFIRMATION DRIVING PATTERN

Tip:

DTCs for the stop and start system are not cleared automatically even if the malfunction has been repaired. After repairing the malfunction, be sure to clear the DTCs
Click here
Check the number of starter operations.
Click here Click here

STOP AND START SYSTEM OPERATION CHECK

Tip:
If the cable is disconnected from the negative (-) battery terminal, stop and start control is prohibited until refresh charge is completed. In this case, drive the vehicle approximately 5 to 40 minutes until refresh charge is completed and stop and start control operation is permitted.
1. Start the engine and warm it up.
2. Turn the air conditioning system off.
3. Drive the vehicle at 7 km/h (4.3 mph) or more.
  
  CAUTION:
  When performing Confirmation Driving Pattern, obey all speed limits and traffic laws.
4. Stop the vehicle, move the shift lever to neutral and release the clutch pedal. (for Manual Transaxle)
5. Depress the brake pedal and stop the vehicle. (for CVT)
6. Allow the engine to stop by stop and start control. (Keep the shift lever in D. (for CVT))
7. Depress the clutch pedal and start the engine. (for Manual Transaxle)
8. Release the brake pedal with the shift lever in D to start the engine. (for CVT)

CAUTION / NOTICE / HINT

Note:

Before replacing the engine stop and start ECU, read the number of starter operations and write it into a new engine stop and start ECU.
Click here
After replacing the engine stop and start ECU or air conditioning amplifier assembly, reset and perform learning of the air conditioning information in the engine stop and start ECU.
Click here
After replacing the engine stop and start ECU or airbag sensor assembly, clear and calibrate the deceleration sensor zero point in the engine stop and start ECU.
Click here

Tip:

Using the GTS, read the freeze frame data before troubleshooting. System condition information is recorded as freeze frame data the moment a DTC is stored. This information can be useful when troubleshooting.

Click here

PROCEDURE

PERFORM REGISTRATION (ECU EXCHANGE)

Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.

Enter the following menus: Powertrain / Stop and Start / Utility / ECU Exchange.

Powertrain > Stop and Start > Utility


Tester Display
ECU Exchange

According to the display on the GTS, download the previous status (the number of starter operations) from the engine stop and start ECU to the GTS.

Result


Proceed to
NEXT

Enter the following menus: Powertrain / Stop and Start / Trouble Codes.
Clear the DTCs.

Powertrain > Stop and Start > Clear DTCs

Result


Proceed to
NEXT

Clear the number of starter operations.

Enter the following menus: Powertrain / Stop and Start / Utility / Starter Exchange.

Powertrain > Stop and Start > Utility


Tester Display
Starter Exchange

Clear the air conditioning information.

Enter the following menus: Powertrain / Stop and Start / Utility / Reset A/C Information.

Powertrain > Stop and Start > Utility


Tester Display
Reset A/C Information

Clear the zero point calibration data of the deceleration sensor.

Enter the following menus: Powertrain / Stop and Start / Utility / Deceleration Sensor Zero Point Clear.

Powertrain > Stop and Start > Utility


Tester Display
Deceleration Sensor Zero Point Clear

Result


Proceed to
NEXT

Enter the following menus: Powertrain / Stop and Start / Utility / ECU Exchange.

Powertrain > Stop and Start > Utility


Tester Display
ECU Exchange

According to the prompts on the GTS screen, write the information to the engine stop and start ECU.
Perform air conditioning information learning.
Click here

Tip:
When initialization of the air conditioning information is complete, air conditioning information learning is automatically performed.

Perform deceleration sensor zero point calibration.

Enter the following menus: Powertrain / Stop and Start / Utility / Deceleration Sensor Zero Point Calibration.

Powertrain > Stop and Start > Utility


Tester Display
Deceleration Sensor Zero Point Calibration

Result


Proceed to
NEXT

Start the engine and warm it up.
Turn the air conditioning system off.
Drive the vehicle at 7 km/h (4.3 mph) or more.

CAUTION:
When performing Confirmation Driving Pattern, obey all speed limits and traffic laws.
Stop the vehicle, move the shift lever to neutral and release the clutch pedal. (for Manual Transaxle)
Depress the brake pedal and stop the vehicle. (for CVT)
Allow the engine to stop by stop and start control. (Keep the shift lever in D. (for CVT))
Depress the clutch pedal and start the engine. (for Manual Transaxle)
Release the brake pedal with the shift lever in D to start the engine. (for CVT)
Check for DTCs.
Click here

Powertrain > Stop and Start > Trouble Codes

Check the number of starter operations.

Click here Click here

Powertrain > Stop and Start > Data List


Tester Display
Starter Operation #

Result


Result	Proceed to
DTCs are not output	A
DTC P062F is output	B

A

END

B

REPLACE ENGINE STOP AND START ECU

Click here