2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 59
OK or NG
OK - Replace height sensor. See: Lighting and Horns/Headlamp/Headlamp Alignment Sensor/Service and Repair.
NG - Repair harness or connector.
9.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 10.
10.CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect height sensor connector.
3. Turn ignition switch ON.
4. Check voltage between AFS control unit harness connector and ground.
OK or NG
OK - GO TO 11.
NG - GO TO 12.
11.CHECK HEIGHT SENSOR SIGNAL CIRCUIT (SHORT CIRCUIT)
1. Disconnect AFS control unit connector.
2. Check continuity between AFS control unit harness connector and ground.
OK or NG
OK - Replace height sensor. See: Lighting and Horns/Headlamp/Headlamp Alignment Sensor/Service and Repair.
NG - Repair harness or connector.
12.CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT (SHORT CIRCUIT)