INSPECTION PROCEDURE 1: Communication between M.U.T.-III and SRS-ECU cannot be established.












PROBABLE CAUSES



  • Damaged wiring harness and connectors
  • Malfunction of SRS-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics
Use the M.U.T.-III to diagnose the CAN bus lines.

Q. Is the check result normal?
Check and repair the power supply circuit system (Refer to ).
Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting-).