STEP 1. Scan tool (M.U.T.-III) other system DTC
(1) caution | To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III). |
Connect scan tool (M.U.T.-III). Refer to "How to connect the Scan Tool (M.U.T.-III)
."
(2) Check if DTC is set in the ETACS-ECU.
Is the DTC set?
Troubleshoot the ETACS. Refer to GROUP 54A - ETACS . Go to Step 2.
STEP 2. Resistance measurement at steering wheel sensor connector
(1) Disconnect the connector, and measure at the wiring harness side.
(2) Resistance between the steering wheel sensor connector (ground terminal) and the body groundOK: The resistance should be 2 ohms or less
Is the check result normal?
Go to Step 4. Go to Step 3.
STEP 3. Check of open circuit in ground line between steering wheel sensor connector and body ground
STEP 4. Check of short to power supply, short to ground, and open circuit in IG11 line between steering wheel sensor connector and ETACS-ECU connector
STEP 5. Retest the system.
STEP 6. Retest the system.