lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Engine Mount (Active Control) - System Diagnosis|Page 2242 > < Engine Mount (Active Control) - System Diagnosis
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1.

CHECK AIR/VACUUM HOSE:

A.

Check the Air/Vacuum Hose for looseness, disconnection and blockage.

B.

Verify that the Air Hose Cap is installed.

2.

CHECK ACTIVE CONTROL ENGINE MOUNT SYSTEM:

Preparation:

A.

Warm up the engine to normal operating temperature.

B.

Connect the LEXUS Hand-Held Tester to DLC3.

C.

Select the ACM Inhibit Active Test on the Lexus Hand-Held Tester.

D.

Shift the transmission into "N" or "P" range.

Check:
Verify that engine vibration is increased while the ACM Inhibit Active Test is in the "ON" state.

OK:
Engine vibration is increased.

Engine Mount (Active Control) - System Diagnosis|Page 2242 > < Engine Mount (Active Control) - System Diagnosis