Lexus Workshop Service and Repair Manuals > LS 600h V8-5.0L (2UR-FSE) Hybrid (2008) > Accessories and Optional Equipment | Relays and Modules - Accessories and Optional Equipment | Emergency Contact Module | Component Information | Testing and Inspection | Initial Inspection and Diagnostic Overview

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2. CHECK MAYDAY ECU

(a) Disconnect the R24 and R23 ECU connectors.
(b) Measure the resistance and voltage according to the value(s) in the table below.

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