Inspection Procedure

1. Turn the engine switch off.
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Value	Result
   K16-6 (CANH) - K16-14 (CANL)	Engine switch off	54 to 69 Ω	OK
   K16-6 (CANH) - K16-14 (CANL)	Engine switch off	69 Ω or more	NG-A
   K16-6 (CANH) - K16-14 (CANL)	Engine switch off	54 Ω or less	NG-B

Fig 1: Identifying DLC3 Connector Terminals K16

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG-A: CHECK CAN MAIN BUS LINE (FOR DISCONNECTION) 

NG-B: CHECK CAN BUS LINE (FOR SHORT CIRCUIT) 

OK: Go to next step 

1. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Value
   K16-6 (CANH) - K16-16 (BAT)	Engine switch off	6 kΩ or more
   K16-14 (CANL) - K16-16 (BAT)	Engine switch off	6 kΩ or more

Fig 2: Identifying DLC3 Connector Terminals K16

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: CHECK CAN BUS LINE (FOR SHORT TO +B) 

OK: Go to next step 

1. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Value
   K16-4 (CG) - K16-6 (CANH)	Engine switch off	200 Ω or more
   K16-4 (CG) - K16-14 (CANL)	Engine switch off	200 Ω or more

Fig 3: Identifying DLC3 Connector Terminals K16

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: CHECK CAN BUS LINE (FOR SHORT TO GND) 

OK: HOW TO PROCEED WITH TROUBLESHOOTING