AFS Switch Does Not Operate

ACTIVE AFS


AFS Switch Does Not Operate

1.CHECK AFS SWITCH SIGNAL 1
CONSULT-III DATA MONITOR
1. Turn ignition switch ON.
2. Select "AFS SW" of ADAPTIVE LIGHT data monitor item.
3. With operating the AFS switch, check the monitor status.
OK or NG
OK - Replace AFS control unit. Refer to Service and Repair.
NG - GO TO 2.
2.CHECK AFS SWITCH
1. Turn ignition switch OFF.
2. Disconnect AFS switch connector.





3. Check continuity AFS switch.





OK or NG
OK - GO TO 3.
NG - Replace AFS switch.
3.CHECK AFS SWITCH SIGNAL 2
1. Connect AFS switch connector.
2. Turn ignition switch ON.





3. Check voltage between AFS control unit harness connector and ground according to AFS switch operation.





OK or NG
OK - Replace AFS control unit. Refer to Service and Repair.
NG - If voltage is approx. 0 V and stays unchanged, GO TO 4.
If voltage is battery voltage and stays unchanged, GO TO 6.
4.CHECK AFS SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AFS switch connector.
3. Turn ignition switch ON.





4. Check voltage between AFS switch harness connector and ground.





OK or NG
OK - GO TO 5.
NG - Repair harness or connector.
5.CHECK AFS SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector.





3. Check continuity between AFS switch harness connector (A) and AFS control unit harness connector (B).





OK or NG
OK - Check connector for connection, bend and loose fit.
NG - Repair harness or connector.
6.CHECK AFS SWITCH CIRCUIT (IGN POWER SUPPLY SHORT CIRCUIT)
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector and AFS switch connector.
3. Turn ignition switch ON.





4. Check voltage between AFS control unit harness connector and ground.





OK or NG
OK - Replace AFS control unit. Refer to Service and Repair.
NG - Repair harness or connector.