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Home >> Lexus >> 2010 >> ES 350 >> Repair and Diagnosis >> Engine Performance >> System >> Active Control Engine Mount System (Diagnostics - Introduction) >> Active Control Engine Mount System >> Problem Symptoms Table >> Problem Symptoms Table
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Problem Symptoms Table

HINT: 

When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the cause of problem cannot be identified through a basic inspection, troubleshoot according to the priority order indicated in the table below.

ACTIVE CONTROL ENGINE MOUNT SYSTEM

Symptom Suspected Area See
Engine vibrates frequently when idling (Active control engine mount system does not operate) 1. Active control engine mount actuator Refer to ON-VEHICLE INSPECTION
2. ECU power source circuit Refer to ECU Power Source Circuit
3. Active control engine mount ECU Refer to COMPONENTS