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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Navigation System (Except Hybrid) - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2)) >> NAVIGATION SYSTEM (for Gasoline Model) >> DTC B15D0: MOST Communication Malfunction [06/2018 - 09/2022] >> Check Point

Check Point

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MOST Network Outline 

Fig 1: MOST Network Outline Diagram
GTY775549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
MOST LINE CHECK RESULT PATTERN

Pattern Device Name Result Trouble Area Inspection
1 DCU OK a, c Inspect MOST communication line between "DCU" and "AMP"
AMP OK
2 DCU OK b, c Inspect wake up communication line between "DCU" and "AMP"
AMP NCON