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Home >> Lexus >> 2004 >> LS 430 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnosis >> CHECK CAN BUS LINES FOR SHORT CIRCUIT (w/o LEXUS Navigation System) >> Circuit Description

Circuit Description

There may be a short circuit between the CAN bus lines when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 54 Ω.

SYMPTOM CHART

Symptom Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 54 Ω
  • Short between CAN bus lines
  • Distance control ECU
  • Skid control ECU with actuator
  • Steering sensor
  • Yaw rate sensor
  • Suspension control ECU
  • ECM
  • Gateway ECU
  • Junction connector (P-CAN J/C)
  • Junction connector (D-CAN J/C)
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