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Home >> Lexus >> 2008 >> ES 350 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - System & Component Testing, Removal, Inspection & Installation >> Active Control Engine Mount System >> 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 

ACTIVE CONTROL ENGINE MOUNT SYSTEM - PROBLEM SYMPTOMS CHART

Symptom Suspected Area Refer To
Engine vibrates frequently when idling (Active control engine mount system does not operate) 1 Active control engine mount actuator ACTIVE CONTROL ENGINE MOUNT 
2. ECU power source circuit ECU POWER SOURCE CIRCUIT 
3. Active control engine mount ECU ACTIVE CONTROL ENGINE MOUNT ECU