Toyota — TERMINALS OF ECU

(b) Measure the resistance of the DLC3. Standard resistance: agn TESTER CONNECTION CONDITION SPECIFIED CONDITION PROCEED TO D7-6 (CANH) - D7-14 (CANL) Ignition switch OFF 54 to 67 Ω OK D7-6 (CANH) - D7-14 (CANL) Ignition switch OFF 67Ω or more NG-A D7-6 (CANH) - D7-14 (CANL) Ignition switch OFF 54 Ω or less NG-B CHECK CAN MAIN BUS LINE (FOR NG-A DISCONNECTION) CHECK CAN BUS WIRE (FOR SHORT NG-B CIRCUIT) OK 2. CONNECT CONNECTOR a) Reconnect the T29 translate ECU connector. NEXT 3. CHECK CAN BUS WIRE (FOR SHORT TO B+) (a) Measure the resistance of the DLC3. Standard resistance:

TESTER CONNECTION CONDITION SPECIFIED CONDITION D7-6 (CANH) - D7-16 (BAT) Ignition switch OFF 1 MΩ or higher D7-14 (CANL) - D7-16 (BAT) Ignition switch OFF 1 MΩ or higher CHECK CAN BUS WIRE (FOR SHORT TO NG B+) OK 4. CHECK CAN BUS WIRE (FOR SHORT TO GND) (a) Measure the resistance of the DLC3. Standard resistance: TESTER CONNECTION CONDITION SPECIFIED CONDITION D7-4 (CG) - D7-6 (CANH) Ignition switch OFF 3 kΩ or higher D7-4 (CG) - D7-14 (CANL) Ignition switch OFF 3 kΩ or higher NG CHECK CAN BUS WIRE (FOR SHORT TO GND) cardi NG-A CHECK CAN MAIN BUS LINE (FOR DISCONNECTION) NG-B CHECK CAN BUS WIRE (FOR SHORT CIRCUIT) NG CHECK CAN BUS WIRE (FOR SHORT TO B+)