Code No. P1626: Injection Quantity Compensation Value Not Coding


FUNCTION



  • The engine-ECU checks whether injector correction data is written to the engine-ECU.

TROUBLE JUDGMENT


Check Condition
  • Ignition switch is in "ON" position.
Judgment Criterion
  • No record of writing injector correction data

PROBABLE CAUSE



  • Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. Write the injector identification code data.

  • Write the injector identification code data (Refer to GROUP 00 - Precautions Before Service - Injector Identification Code Registration Procedure ).
  • After writing the injector identification code data, recheck for abnormal symptoms.

Q. Does trouble symptom persist?
Replace the engine-ECU. When the engine-ECU is replaced, write the chassis number (Refer to GROUP 00 - How to Perform Chassis Number Writing ). After replacing the engine-ECU, register the injector identification code and learn fuel injection (Refer to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ).
The check is end.