HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM “A”
Detected when there is malfunction in CAN data from the engine control module (ECM).
NOTE:
Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">
Battery drainage prevention function
If a door or the rear gate is not completely
closed, the interior lights will remain
illuminated as a result. However, several
lights are automatically turned off by the
battery drainage prevention function to
prevent the battery from discharging. The
following interior lights are affected by ...
Removal
SECURITY AND LOCKS > Front Outer HandleREMOVAL1. Raise the glass assembly - front door to the top position.2. Disconnect the ground cable from battery and wait for at least 60 seconds before starting work. NOTE">3. Remove the trim panel - front door. Door Trim > REMOVAL">4. R ...
Precautions in trouble diagnosis and repair of electric parts
WIRING SYSTEM > Working PrecautionsPRECAUTIONS IN TROUBLE DIAGNOSIS AND REPAIR OF ELECTRIC PARTS1. The battery cable must be disconnected from the battery’s (−) terminal, and the ignition switch must be set to the OFF position, unless otherwise required by the diagnostics.2. Securely ...