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

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

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 excellent malfunction detection ability.

Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independently). In CAN communication, control units are connected with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

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 and electric unit (control unit) continuously for 2 seconds or more.
  • ABS actuator and electric unit (control unit)
  • 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 ignition switch OFF and wait for at least 10 seconds, then perform the next test.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Start the engine 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 excelle ...

P062F EEPROM

Description TCM compares the calculated value stored in the flash ROM with the value stored in TCM. If the calculated value does not agree with the stored value, TCM judges this as a malfunction. ...

Other materials:

Basic inspection
Work Procedure 1.INSPECTION START     1.   Check service records for any recent repairs that may indicate a related malfunction, or a current need for scheduled maintenance.     2.   Open engine hood and check the following: Harness con ...

Input shaft and gear
Exploded View 1. Input shaft front bearing 2. Input shaft 3. Snap ring 4. Input shaft rear bearing 5. Adapter plate 6. Bushing 7. 5th input gear 8. 5th-reverse baulk ring 9. Synchronizer lever 10. 5th-reverse synchronizer hub 11. 5th-reverse coupling sleeve 12. Lock washer 13. Retaining pi ...

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