Bus Buffer ECU Communication Stop Mode: Procedure
- CHECK CAN BUS LINE FOR DISCONNECTION (ACCESSORY BUS BUFFER BRANCH WIRE)
- Turn the ignition switch off.
- Disconnect the C26 accessory bus buffer connector.
- Measure the resistance according to the value in the table below.
Standard Resistance
Tester Connection Switch Condition Specified Condition C26-1 (CAN+) - C26-2 (CAN-) Ignition switch off 54 to 69 Ω
NG → REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO ACCESSORY BUS BUFFER ((CAN-H, CAN-L))
OK → CHECK ACCESSORY CIRCUIT