Active Control Engine Mount

2GR-FE ENGINE CONTROL: ACTIVE CONTROL ENGINE MOUNT: ON-VEHICLE INSPECTION

1. INSPECT FRONT ENGINE MOUNTING INSULATOR ASSEMBLY

(a) Check the operation.

(1) Connect the Techstream to the DLC3.

(2) Start the engine.

(3) Turn the Techstream on.

(4) Enter the following menus: Powertrain / Engine / Active Test / Control the ACM Inhibit.





(5) Check if the front engine mounting insulator assembly operates in accordance with tester operation.

OK:





HINT
While "Control the ACM Inhibit" is ON, the front engine mounting insulator assembly operates repeatedly.

(b) Inspect for vacuum leaks.

(1) Disconnect the vacuum hose from the front engine mounting insulator assembly.

(2) Using a vacuum pump, apply vacuum of 80 kPa (600 mmHg, 24 in.Hg) and wait for 1 minute.





(3) Check that there is no change in the needle movement of the vacuum pump gauge.

OK:

Vacuum pressure holds.

(4) Check that there is no fluid leakage caused by a break in the diaphragm.

(5) Reconnect the vacuum hose.