Check CAN Bus Lines for Short Circuit [08/2015 - ]: Description

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

Symptom	Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of DLC3 is below 54 Ω.	Short in CAN main bus line Short in CAN branch line Network gateway ECU1 ECM Main body ECU (Multiplex network body ECU) Combination meter assembly Brake actuator assembly (Skid control ECU) Steering sensor Clearance warning ECU assembly2 Air conditioning amplifier assembly Smart key ECU assembly (Certification ECU)3 Navigation receiver assembly4 Radio and display receiver assembly5 Power steering ECU with motor assembly6 Power steering ECU assembly7 Airbag sensor assembly Tire pressure warning ECU and receiver8 CAN No. 1 junction connector CAN No. 2 junction connector

Symptom

Trouble Area

Resistance between terminals 6 (CANH) and 14 (CANL) of DLC3 is below 54 Ω.

Short in CAN main bus line
Short in CAN branch line
Network gateway ECU*1
ECM
Main body ECU (Multiplex network body ECU)
Combination meter assembly
Brake actuator assembly (Skid control ECU)
Steering sensor
Clearance warning ECU assembly*2
Air conditioning amplifier assembly
Smart key ECU assembly (Certification ECU)*3
Navigation receiver assembly*4
Radio and display receiver assembly*5
Power steering ECU with motor assembly*6
Power steering ECU assembly*7
Airbag sensor assembly
Tire pressure warning ECU and receiver*8
CAN No. 1 junction connector
CAN No. 2 junction connector

*1: w/ Network Gateway ECU
*2: w/ Intuitive Parking Assist System
*3: w/ Smart Key System
*4: for Navigation Receiver Type
*5: for Radio and Display Type
*6: for 2AR -FE
*7: for 2GR-FE
*8: for Tire Pressure Warning System with Tire Inflation Pressure Display Function