Nissan Versa (N17): U1117 Lost communication (ABS)

Nissan Versa 2nd generation (N17) Service Manual / Transmission & driveline / Transaxle & transmission (TM) / U1117 Lost communication (ABS)

DTC Logic

DTC DETECTION LOGIC

DTC Trouble diagnosis name DTC detection condition Possible causes
U1117 Lost Communication With ABS When the ignition switch is ON, TCM is unable to receive the CAN communications signal from ABS actuator control unit continuously for 2 seconds or more.
  • ABS actuator & control module
  • Harness or connector (CAN communication line is open or shorted)

DTC CONFIRMATION PROCEDURE

1.PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn the ignition switch OFF and wait for at least 10 seconds, then perform the next test.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON, and wait for 5 seconds or more.
  2. Check the DTC.

Is "U1117" detected?

YES >> Go to TM, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

For the diagnosis procedure, refer to LAN, "Trouble Diagnosis Flow Chart".

U1000 Can comm circuit

Description CAN (Controller Area Network) is a serial communication line for real-time application. It is an on-vehicle multiplex communication line with high data communication speed and excellen ...

P062F EEPROM

Description TCM checks the value read in FLASH ROM at ignition switch ON, and judges if there is writing failure to FLASH ROM or malfunction of FLASH ROM. DTC Logic DTC DETECTION LOGIC ...

Other materials:

Fuel injector and fuel tube
Exploded View 1. Stud bolt 2. Oring (green) 3. Fuel injector (front) 4. Clip 5. Fuel injector (rear) 6. Oring (black) 7. Fuel tube protector 8. Fuel tube 9. Clamp 10. Quick connector cap (engine side) 11. Fuel feed hose 12. Quick connector cap (floor pipingside) 13. Fuel connector protect ...

Power supply and ground circuit
Diagnosis Procedure 1.CHECK GROUND CONNECTION Turn ignition switch OFF. Check ground connection E. Refer to Ground Inspection in GI, "Circuit Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2.CHECK ECM G ...

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