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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Smart Access System (For Start) (Hybrid) - Symptom Tests) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, HV Model) >> "Key Battery Low Replace Key Battery" is Displayed on the Multi-information Display [06/2018 - ] >> Description

"Key Battery Low Replace Key Battery" is Displayed on the Multi-information Display [06/2018 - ]: Description

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When driving with an electrical key transmitter sub-assembly that has a low transmitter battery, a transmitter battery depletion warning is displayed on the multi-information display in the combination meter assembly.

The certification ECU (smart key ECU assembly) monitors the transmitter battery of the electrical key transmitter sub-assembly. When the voltage drops, the certification ECU (smart key ECU assembly) sends a display request to the multi-information display via the CAN communication line.

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