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
).