2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 45
Check voltage between AFS control unit harness connector and ground.
OK or NG
OK - GO TO 7.
NG - Check connector for connection, bend and loose fit. If it is normal, replace AFS control unit. See: Lighting and Horns/Headlamp/Headlamp
Alignment Control Module/Service and Repair.
7.CHECK SWIVEL POSITION SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector and front combination lamp RH connector.
3. Check continuity between AFS control unit harness connector
(A) and front combination lamp RH harness connector (B).
OK or NG
OK - Replace front combination lamp RH (swivel position sensor malfunction). See: Lighting and Horns/Testing and Inspection/Symptom
Related Diagnostic Procedures/AFS Off Indicator Does Not Operate See: Sensors and Switches/Sensors and Switches - Steering and
Suspension/Sensors and Switches - Steering/Steering Angle Sensor/Service and Repair/Active AFS See: Lighting and Horns/Headlamp/Service
and Repair/Active AFS See: Lighting and Horns/Headlamp/Headlamp Alignment Control Module/Service and Repair, "Removal and
Installation of Front Combination Lamp".
NG - Repair harness or connector.
8.CHECK DIAGNOSIS RESULT
Select "ADAPTIVE LIGHT" on CONSULT-III. Select "SELF-DIAG RESULTS" on "SELECT DIAG MODE" screen.
Is DTC B2521 ECU CIRC detected?
YES - See: B Code Charts/B2521.
NO - GO TO 9.
9.CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH connector.
3. Turn ignition switch ON.
4. Check voltage between AFS control unit harness connector and ground.
