STEP 1. Check the radar or its surrounding area for dirt or foreign material.
(1) Wipe off the dirt or foreign material from the ACC/FCM-ECU's radar or its surrounding area.
(2) caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-IIISE). |
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect the Scan Tool (M.U.T.-IIISE)
."
(3) Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(4) Press the ACC ON/OFF switch to turn the ACC system to ON.
(5) Drive the vehicle for approximately 5 minutes.
(6) Check if the DTC is set.
Is DTC C1753 set?
Go to Step 2. This diagnosis is complete. The system has deactivated the ACC temporarily for safety reason. This is not a malfunction.