AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See page |
|---|---|---|
| Headlight beam level control indicator light flashes. | Combination meter assembly | - |
| Headlight leveling ECU assembly | - | |
| Harness or connector | - | |
| Headlight beam level control does not operate (indicator light is off). | Check the FAIL-SAFE function | |
| ECU IG1 fuse | - | |
| Rear height control sensor sub-assembly | ||
| Headlight beam level control actuator circuit | ||
| Headlight leveling ECU assembly | - | |
| Headlight beam level control system indicator light does not come on when turning the ignition switch to ON. | Check the FAIL-SAFE function | |
| Headlight leveling ECU assembly | - | |
| Combination meter assembly | - | |
| Harness or connector (Headlight leveling ECU assembly - H-LP relay, Body ground) | - |
Note
-
Initialize the headlight leveling ECU assembly after the vehicle height changes due to replacement of suspension components or after performing operations such as removal and reinstallation or replacement of the rear height control sensor sub-assembly.
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When the headlight leveling ECU assembly is replaced, initialization is also necessary.