Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the table below and proceed to the appropriate section.
DIAGNOSTIC TROUBLE CODE CHART
| DTC NO. | Detection Item | Trouble Area |
|---|---|---|
| DTC B1244 Light Sensor Circuit Malfunction | Light sensor circuit malfunction |
|
| DTC B1268 Back-up Communication Bus Malfunction (between Combination Switch ECU and Driver Side J/B ECU) | Back-up communication bus malfunction (between Combination Switch ECU and Driver Side J/B ECU) |
|