Inspection Procedure
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CAN BUS LINE (MAIN BUS LINE FOR DISCONNECTION, BUS LINES FOR SHORT CIRCUIT)
- Turn the power switch off.
- Measure the resistance according to the value(s) in the table below.
Standard:
TESTER CONNECTION SPECIFIED VALUETester Connection Condition Specified value Result D1-6 (CANH) - D1-14 (CANL) Power Switch OFF to 69 Ω OK D1-6 (CANH) - D1-14 (CANL) Power Switch OFF 69 Ω for more NG-A D1-6 (CANH) - D1-14 (CANL) Power Switch OFF 54 Ω or less NG-B NG-A: CHECK CAN MAIN BUS LINE FOR DISCONNECTION (SEE CHECK CAN MAIN BUS LINE FOR DISCONNECTION )
NG-B: CHECK CAN BUS LINES FOR SHORT CIRCUIT
OK: Go to next step.
- CHECK CAN BUS LINE FOR SHORT TO +B
- Measure the resistance according to the value(s) in the table below.
Standard:
TESTER CONNECTION SPECIFIED VALUETester connection Condition Specified value D1-6 (CANH) - D1-16 (BAT) Power Switch OFF 1 MΩ or more D1-14 (CANL) - D1-16 (BAT) Power Switch OFF 1 MΩ or more NG: CHECK CAN BUS LINE FOR SHORT TO +B CHECK CAN BUS LINE FOR SHORT TO +B
OK: Go to next step.
- CHECK CAN BUS LINE FOR SHORT TO GND
- Measure the resistance according to the value(s) in the table below.
Standard:
CAN BUS LINE FOR SHORT TO GND STANDARDTester Connection Condition Specified value D1-4 (CG) - D1-6 (CANH) Power Switch OFF 1 kΩ or more D1-4 (CG) -D1-14 (CANL) Power Switch OFF 1 kΩ or more Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: CHECK CAN BUS LINE FOR SHORT TO GND (SEE CHECK CAN BUS LINE FOR SHORT TO GND )
OK: HOW TO PROCEED WITH TROUBLESHOOTING (SEE HOW TO PROCEED WITH TROUBLESHOOTING )