LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Driver Assistance System (LDW And LDP) (Except Hybrid)) >> Symptom Diagnosis >> LDW & LDP System Symptoms >> Symptom Table

Symptom Table

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

For the operational conditions of Lane Departure Warning (LDW) and Lane Departure Prevention (LDP), refer to the following descriptions.

Symptom Possible cause Inspection item/Reference
Indicator/warning lamps do not illuminate when ignition switch OFF → ON Lane departure warning indicator light (Yellow) does not illuminate.
  • Combination meter
  • ADAS control unit
Lane departure warning indicator light does not turned ON
Refer to DESCRIPTION 
LDP ON indicator lamp (Green) does not illuminate.
  • Combination meter
  • ADAS control unit
LDP ON indicator lamp does not turned ON
Refer to DESCRIPTION 
Warning systems ON indicator does not illuminate.
  • Harness between ADAS control unit and warning systems switch
  • Warning systems switch
  • ADAS control unit
Warning systems ON indicator circuit
Refer to COMPONENT FUNCTION CHECK
Lane departure warning indicator light (Yellow) and LDP ON indicator lamp (Green) does not illuminate.
  • Combination meter
  • ADAS control unit
  • Lane departure warning indicator light does not turned ON

    Refer to DESCRIPTION 

  • LDP ON indicator lamp does not turned ON

    Refer to DESCRIPTION 

All of indicator/warning lamps does not illuminate;
  • Lane departure warning indicator light (Yellow)
  • LDP ON indicator lamp (Green)
  • Warning systems ON indicator
  • Power supply and ground circuit of ADAS control unit
  • ADAS control unit
Power supply and ground circuit of ADAS control unit
Refer to DIAGNOSIS PROCEDURE
LDW system is not activated.
(Indicator/warning lamps illuminate when ignition switch OFF → ON)
Warning systems ON indicator is not turned ON ==> OFF when operating warning systems switch
  • Harness between ADAS control unit and warning systems switch
  • Harness between warning systems switch and ground
  • Warning systems switch
  • ADAS control unit
Warning buzzer is not sounding.
(Lane departure warning indicator light is activated.)
  • Power supply and ground circuit of driver assistance buzzer control module
  • Harness between the driver assistance buzzer control module and warning buzzer
  • Warning buzzer
  • Driver assistance buzzer control module
  • Power supply and ground circuit of Driver assistance buzzer control module. Refer to DIAGNOSIS PROCEDURE .
Warning buzzer circuitRefer to DIAGNOSIS PROCEDURE
LDP system is not activated.
(LDW system is functioning normally)
Indicator lamp is not turned ON ==> OFF when operating dynamic driver assistance switch
  • Dynamic driver assistance switch
  • Combination meter
  • ADAS control unit
  • Dynamic driver assistance switch (ICC steering switch)

    Refer to COMPONENT INSPECTION

  • LDP system setting can not be turned ON/OFF in the vehicle information display

    Refer to DESCRIPTION 

Warning is functioning but yawing is not functioning. -
Warning functions are not timely

(Example)

  • Does not function when driving on lane markers
  • Functions when driving in a lane
  • Functions in a different position from the actual position.
  • Camera aiming adjustment
  • Lane camera unit
  • ADAS control unit
Camera aiming adjustment
Functions when changing the course in direction of the turn signal Turn indicator signal (CAN)
  • BCM
  • ADAS control unit
System operates even when using turn signal
Refer to DESCRIPTION