LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2018 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostics - Circuit Tests) (2 Of 2) >> Can Communication System >> Check Bus 5 Line for Short to GND [10/2015 - 08/2019] >> Description

Check Bus 5 Line for Short to GND [10/2015 - 08/2019]: Description

There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 15 (CA5H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the network gateway ECU and terminal 4 (CG) of the DLC3.

Symptom Trouble Area
No resistance exists between terminal 15 (CA5H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the network gateway ECU and terminal 4 (CG) of the DLC3.
  • Short in CAN main bus line
  • Short in CAN branch line
  • Certification ECU (smart key ECU assembly)
  • Combination meter mirror ECU (headup display) (w/ Headup Display System)
  • Headlight ECU sub-assembly LH (w/ Automatic Headlight Beam Level Control System)
  • Combination meter assembly
  • Air conditioning amplifier assembly
  • Main body ECU (multiplex network body ECU)
  • Network gateway ECU
  • No. 5 CAN junction connector