|
|
NO: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection DTC U0184: Audio CAN timeout M14209100119USA0000010000 ⦆ If the DTC U0184 is set, be sure to diagnose the ⦆ When replacing the ECU, always check that the DIAGNOSTIC FUNCTION TROUBLESHOOTING HINTS ⦆ The CAN bus line may be defective. ⦆ The KOS-ECU may be defective. ⦆ The radio and CD player or CD changer may be DIAGNOSIS Required Special Tools: ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: Vehicles Communication Interface (V.C.I.) ⦆ MB991827: M.U.T.-III USB Cable ⦆ MB991910: M.U.T.-III Main Harness A (Vehicles with STEP 1. Using scan tool MB991958, diagnose the CAN bus ZC501967 AC404789 ZC5019680000 MB991824 MB991827 MB991910 Data link connector To prevent damage to scan tool MB991958, always turn the (1) Connect scan tool MB991958. Refer to "How to connect the (2) Turn the ignition switch to the "ON" position. (3) Diagnose the CAN bus line. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the CAN bus line found to be normal? YES: Go to Step 2. NO: Repair the CAN bus line. (Refer to GROUP 54D, KEYLESS OPERATION SYSTEM (KOS) 42B-99 DIAGNOSIS |