Hino Motors HINO 155 series Workshop Manual page 753

7. After-inspection work
• Clear all past DTCs.
• Check that no DTC is stored after test drive.
8. Estimated failure factors
• Neutral switch failure (stuck ON or faulty contact)
• Harness disconnection or short-circuit
• Harness/connector faulty contact or improper fit
• CAN communication blackout
• Transmission ECU failure
ENGINE (J05E)/TROUBLESHOOTING 2–717