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:

Line pressure test
Work Procedure INSPECTION Check the engine oil level. Replenish if necessary. Refer to LU "Inspection". Check for CVT fluid leaks. Refer to TM "Inspection". Drive for about 10 minutes to warm up the vehicle so that the CVT fluid temperature is 50 to 80C (122 to ...

Rear drum brake
Exploded View 1. Shoe hold pin 2. Back plate 3. Plug 4. Brake shoe 5. Spring 6. Upper spring 7. Adjuster 8. Return spring 9. Brake drum 10. Boot 11. Piston 12. Piston cup 13. Spring 14. Wheel cylinder 15. Bleeder valve 16. Cap 1: Apply rubber grease. 2: Apply PBC (Poly Butyl Cuprysil) ...

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