1. Check that the main relay has no deformation, cracks or other damages. 2. Measure the resistance between main relay terminals.
3. Connect battery positive terminal to terminal No. 2 and battery ground terminal to terminal No. 4, and measure the resistance between the main relay terminals.
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Dtc u0427 invalid data received from vehicle security control module
DTC DETECTING CONDITION:Defective data was transmitted from keyless access CM.TROUBLE SYMPTOM:Cooperation control of keyless access does not operate properly.STEPCHECKYESNO1.CHECK PERFORMING OF BASIC DIAGNOSTIC PROCEDURE.Was the basic diagnostic procedure performed up to STEP 8- Diagnostic Procedure ...