Lexus IS250 IS220d GSE20 ALE20 - LIGHTING
REAR COMBINATION LIGHT ASSEMBLY - INSPECTION
1. INSPECT BACK-UP LIGHT SWITCH ASSEMBLY |

Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Condition 1 - 2 OFF 10 kΩ or higher 1 - 2 ON Below 1 Ω
If the result is not as specified, replace the switch assembly.