DTC U3003:17 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)]

id0902g9935300

DESCRIPTION

High power supply circuit voltage
DETECTION CONDITION
•  AFS control module power supply circuit voltage is higher than 16 V for 10 s or more, while the ignition is ON.
POSSIBLE CAUSE
•  PCM DTC is stored
•  Battery malfunction
•  Generator malfunction
•  AFS control module malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION
1
CONFIRM PCM DTC
•  Perform the DTC Reading Procedure to confirm the PCM DTC.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [LF, L5].)
(See DTC TABLE [ZY, Z6].)
(See DTC TABLE [MZ-CD 1.6 (Y6) (EURO4 emission level)].)
(See DTC TABLE [MZ-CD 1.6 (Y6) (EURO5 emission level)].)
(See DTC TABLE [MZR-CD 2.2].)
(See DTC TABLE [MZR 2.0 DISI i-stop].)
(See DTC TABLE [L3 Turbo].)
No
Go to the next step.
2
INSPECT BATTERY
•  Inspect the battery.
•  Is there any malfunction?
Yes
Recharge or replace the battery, then go to Step 4.
(See BATTERY RECHARGING [LF, L5].)
(See BATTERY RECHARGING [ZY, Z6].)
(See BATTERY RECHARGING [MZ-CD 1.6 (Y6)].)
(See BATTERY RECHARGING [MZR-CD 2.2].)
(See BATTERY RECHARGING [MZR 2.0 DISI i-stop].)
(See BATTERY RECHARGING [L3 Turbo].)
(See BATTERY REMOVAL/INSTALLATION [LF, L5].)
(See BATTERY REMOVAL/INSTALLATION [ZY, Z6].)
(See BATTERY REMOVAL/INSTALLATION [MZ-CD 1.6 (Y6)].)
(See BATTERY REMOVAL/INSTALLATION [MZR-CD 2.2].)
(See BATTERY REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)
(See BATTERY REMOVAL/INSTALLATION [L3 Turbo].)
No
Go to the next step.
3
INSPECT GENERATOR
•  Inspect the generator.
•  Is there any malfunction?
Yes
Replace the generator, then go to the next step.
(See GENERATOR REMOVAL/INSTALLATION [LF, L5].)
(See GENERATOR REMOVAL/INSTALLATION [ZY, Z6].)
(See GENERATOR REMOVAL/INSTALLATION [MZ-CD 1.6 (Y6)].)
(See GENERATOR REMOVAL/INSTALLATION [MZR-CD 2.2].)
(See GENERATOR REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)
(See GENERATOR REMOVAL/INSTALLATION [L3 Turbo].)
No
Go to the next step.
4
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTC from AFS control module using the M-MDS.
•  Switch the ignition to ON.
•  Perform the “DTC INSPECTION” to confirm the AFS DTC.
•  Is the same DTC present?
Yes
Replace the AFS control module, then go to the next step.
(See AFS (ADAPTIVE FRONT LIGHTING SYSTEM) CONTROL MODULE REMOVAL/INSTALLATION.)
No
Go to the next step.
5
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)].)
No
DTC troubleshooting completed.