AFS OFF LIGHT FLASHING PATTERN 1, DTC U0483:68 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)]
id0902g9936200
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Description |
• AFS control module CAN communication signal error
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Detection condition
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• AFS control module detects CAN communication error continuously for 5 s while ignition is switched ON
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Possible cause
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• Steering angle sensor initialization not completed
• Communication error between AFS control module and PCM (vehicle speed signal)
• Communication error between AFS control module and BCM (steering angle signal)
• AFS control module internal malfunction
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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VERIFY IF STEERING ANGLE SENSOR INITIALIZATION NOT COMPLETED
• Perform steering angle sensor initialization.
• Inspect for AFS DTCs.
• Does the AFS OFF light flash in flashing pattern 1?
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Yes
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Go to the next step.
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No
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Go to Step 4.
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2
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VERIFY IF MALFUNCTION CAUSED BY PCM, BCM MALFUNCTION
• Perform the PCM and BCM DTC inspection using the M-MDS.
(See FOREWORD [MZR-CD 2.2].)
(See DTC INSPECTION [BCM].)
• Are any DTCs output?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [L8, LF, L5].)
(See DTC TABLE [MZR-CD 2.2].)
(See DTC TABLE [BCM].)
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No
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Go to the next step.
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3
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VERIFY IF MALFUNCTION CAUSED BY AFS CONTROL MODULE MALFUNCTION
• Inspect for AFS DTCs.
• Does the AFS OFF light flash in flashing pattern 1?
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Yes
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Replace the AFS control module, then go to the next step.
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No
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Go to the next step.
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4
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VERIFY OTHER DTC DISPLAYED
• Verify if other DTCs are displayed.
• Are any other DTCs displayed?
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Yes
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Perform troubleshooting according to the corresponding DTC inspection.
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No
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DTC troubleshooting completed.
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