While the cranking switch is in “OFF” position, or when 3 seconds pass after the
cranking switch is in “OFF” from “ON”.
The battery voltage is 10 V or more.
The signals cannot be received from SRS-ECU through CAN busline.
COMMENT ON TROUBLE SYMPTOM
The failure is possibly caused by malfunction of the harness and connector in CAN
busline between engine-ECU and SRS-ECU or between engine-ECU and SRS-ECU, by malfunction in
the power supply system of SRS-ECU, in SRS-ECU itself, in engine-ECU.
Failed of the harness and the connector
STEP 1. M.U.T.-III CAN bus diagnosis
Using M.U.T.-III, perform CAN busline diagnosis.
Is the check result normal?
STEP 2. M.U.T.-III other system diagnosis code
Confirm whether the diagnosis codes are output from SRS-ECU.