LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Driver Assistance System (Diagnostic Trouble Codes (DTCS) Symptom Tests & Component R&R) (Exc Hybrid) >> Symptom Diagnosis >> Driver Assistance System Symptoms >> Symptom Table

Symptom Table

Symptom Confirmation item Inspection item/Refer to
PFCW/LDW/BSW/DCA/LDP/Blind Spot Intervention/BCI system display does not illuminate All of system display does not illuminate System cannot be turned ON/OFF ON the integral switch
Refer to DESCRIPTION 
DCA/LDP/Blind Spot Intervention system display does not illuminate Switch does not turn ON/Switch does not turn OFF
Refer to DESCRIPTION 
BCI system display does not illuminate TCM
Refer to DTC INDEX
Other information display is not illuminated Combination meter
Refer to DTC INDEX
PFCW/LDW/BSW/DCA/LDP/Blind Spot Intervention/BCI warning display does not illuminate
(Buzzer is functioning normally)
Information display is functioning normally ADAS control unit
Refer to DTC INDEX 
Information display is not functioning normally Perform On Board Diagnosis of Combination meter
Refer to ON BOARD DIAGNOSIS FUNCTION
PFCW/LDW/BSW/DCA/LDP/Blind Spot Intervention warning buzzer is not sounding
(Warning display is functioning normally)
- Chime does not sound
Refer to DESCRIPTION 
BCI warning buzzer is not sounding
(Warning display is functioning normally)
Buzzer of camera assistance sonar is functioning normally ADAS control unit
Refer to REMOVAL AND INSTALLATION
Buzzer of camera assistance sonar is not functioning normally Camera assistance sonar
Refer to SYMPTOM TABLE
PFCW/DCA is not activated DCA is not activated No force generated for putting back the accelerator pedal No force generated for putting back the accelerator pedal
Refer to DESCRIPTION 
PFCW and DCA are not activated Frequently cannot detect the vehicle ahead/Detection zone is short Frequently cannot detect the vehicle ahead/Detection zone is short
Refer to DESCRIPTION 
System misidentifies a vehicle even though there is no vehicle ahead Perform radar alignment
Refer to DESCRIPTION
System misidentifies a vehicle in the next lane
System does not detect the vehicle ahead at all The system does not detect the vehicle ahead at all
Refer to DESCRIPTION 
LDW/LDP is not functioning normally The system operates once but is cancelled. Check "Cause of auto-cancel 1"
Refer to CONSULT FUNCTION
Functions when changing the course in direction of the turn signal Symptom operates even when using turn signal
Refer to DESCRIPTION 
Warning functions are not timely
  • Does not function when driving on lane markers
  • Functions when driving in a lane
  • Functions in a different position from the actual position
Lane camera unit aiming adjustment
Refer to DESCRIPTION
Blind Spot Intervention is not functioning normally The system operates once but is cancelled. Check "Cause of auto-cancel 1"
Refer to CONSULT FUNCTION
Blind Spot Intervention are not timely
  • Does not function when approaching a lane marker while Blind Spot Warning/Blind Spot Intervention indicator is illuminated
  • Functions when driving in the middle of lane
Lane camera unit aiming adjustment
Refer to DESCRIPTION
BCI is not activated The system operates once but is cancelled. Check "Cause of auto-cancel 3"
Refer to CONSULT FUNCTION (ICC/ADAS)
Does not detect a vehicle just behind. Blind Spot Warning/Blind Spot Intervention is activated ADAS control unit
Refer to REMOVAL AND INSTALLATION
Blind Spot Warning/Blind Spot Intervention is not activated Side radar
Refer to REMOVAL AND INSTALLATION 
Does not detect obstacles behind the vehicle. Buzzer of camera assistance sonar is activated ADAS control unit
Refer to REMOVAL AND INSTALLATION
Buzzer of camera assistance sonar is not activated Camera assistance sonar
Refer to SYMPTOM TABLE
No force generated for putting back the accelerator pedal DCA is activated ADAS control unit
Refer to REMOVAL AND INSTALLATION
DCA is not activated No force generated for putting back the accelerator pedal
Refer to DESCRIPTION