2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 49
4. Check continuity between AFS control unit harness connector (A) and ground.
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.
B2504
ACTIVE AFS
DTC B2504 SWIVEL ACTUATOR LH
1.CHECK SWIVEL POSITION SENSOR SIGNAL
1. Turn ignition switch ON.
2. Check voltage between AFS control unit harness connector and ground.
OK or NG
OK - GO TO 2.
NG -
- If voltage is less than approx. 0.25V, GO TO 3.
- If voltage is more than approx. 4.75V, GO TO 6.
2.CHECK SWIVEL POSITION SENSOR POWER SUPPLY
Check voltage between AFS control unit harness connector and ground.
