With Manufacturer's Scan Tool
DTC CHECK1. INSPECT OUTPUT OF DTC WITH INTELLIGENT TESTER
a. Inspect the battery positive voltage.
Voltage: 10 to 14 V
b. Inspect the DTC monitor code output.
1. Connect the intelligent tester to the DLC3 and turn the ignition (starter) switch ON, then check the DTC.
HINT: When the DTC check is impossible, check the following items.
- ECU data monitor is possible (multiplex network body ECU is defective).
- The display shows a communication error (refer to the new diagnostic system and operations when an error occurred).
2. When the display shows DTCs that the ECU is unconnected and the communication bus is defective, perform an inspection depending on the troubleshooting.
HINT: When other DTCs are output, refer to the DTC chart and applicable section. Multiplex Communication System