No data is received from ECM. NOTE: Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE |
Dtc u0073 control module communication bus off
Dtc u0427 invalid data received from vehicle security control moduleIdle speed inspection
1. Before checking the idle speed, check the following item:(1) Check the air cleaner element is free from clogging, ignition timing is correct, spark plugs are in good condition, and hoses are connected properly.(2) Check the malfunction indicator light does not illuminate.2. Warm up the engine.3. ...