2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 56
OK or NG
OK - Replace AFS control unit. See: Lighting and Horns/Headlamp/Headlamp Alignment Control Module/Service and Repair.
NG - Repair or replace harness or connector.
B2514
ACTIVE AFS
DTC B2514 HI SEN UNUSUAL RR
1.CHECK HEIGHT SENSOR SIGNAL
CONSULT-III DATA MONITOR
1. Turn ignition switch ON.
2. Select "HI SEN OTP RR" of ADAPTIVE LIGHT data monitor item.
3. Check the monitor status.
HI SEN OTP RR: Approx. 0.25 - 4.75 V
OK or NG
OK - GO TO 2.
NG - If voltage is more than approx. 4.75V, GO TO 7.
- If voltage is less than approx. 0.25V, GO TO 3.
2.CHECK HEIGHT SENSOR POWER SUPPLY
Check voltage between AFS control unit harness connector and ground.
OK or NG
OK - The height sensor system is normal at present.
NG - Replace AFS control unit. See: Lighting and Horns/Headlamp/Headlamp Alignment Control Module/Service and Repair.
3.CHECK HEIGHT SENSOR SIGNAL
Check voltage between AFS control unit harness connector and ground.