Lexus IS250 IS220d GSE20 ALE20 2AD-FHV STARTING
GLOW RELAY - ON-VEHICLE INSPECTION
1. INSPECT GLOW PLUG RELAY ASSEMBLY |

Using an ohmmeter, measure the resistance between each terminal.
- Standard resistance:
Terminal No. Specified condition 1 - 2 10 kΩ or higher Below 1 Ω
(Apply battery voltage between terminals 3 and 4)
If the resistance is not as specified, replace the glow plug relay assembly.
LEXUS IS250, IS220d / GSE20 ALE20