Nissan Sentra manuals

Nissan Sentra Service Manual: U1117 Lost communication (ABS)

DTC Logic

DTC DETECTION LOGIC

DTC

CONSULT screen terms [Trouble diagnosis content]

DTC detection condition

Possible causes

U1117 LOST COMM (ABS) [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-159, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

For the diagnosis procedure, refer to LAN-16, "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
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P062F EEPROM (Internal Control Module EE ...

Other materials:

Diagnosis system (BCM)
Common item Common item : consult function (bcm - common item) Application item Consult performs the following functions via can communication with bcm. System application Bcm can perform the following functions. Intelligent key Intelligent key : consult function (bcm - intelligent ke ...

Overdrive control switch
Component Function Check 1.CHECK SPORT INDICATOR LAMP FUNCTION Check OD OFF indicator lamp turns ON for approx. 2 seconds when ignition switch turns ON. Is the inspection result normal? YES >> GO TO 2. NO >> Go to TM-239, "Diagnosis Procedure". 2.CHECK SPORT MODE SW ...

Precaution for supplemental restraint system (srs) "air bag" and "seat belt pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...

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