Toyota 2GR-FE Manual page 560

ES–404
5
INSPECT ENGINE MOUNTING INSULATOR ASSEMBLY FRONT
ES
OK
6
CHECK HARNESS AND CONNECTOR (VSV FOR ACM - ECM)
Wire Harness Side:
VSV for ACM Connector
C34
Front View
C55 ECM Connector
OK
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
A051989
1 2
ACM
A135959E01
(a) Disconnect the vacuum hose from the front engine
mount insulator.
(b) Using a vacuum pump, apply vacuum of 80 kPa (600
mmHg, 25 in.Hg) and wait for 1 minute.
(c) Check that there is no change in the needle movement
of the vacuum pump gauge.
(d) Check that there is no fluid leakage caused by a break in
the diaphragm.
OK:
Vacuum pressure exists.
(e) Reconnect the vacuum hose.
NG
REPLACE FRONT ENGINE MOUNTING
INSULATOR ASSEMBLY
(a) Check the wire harness between the VSV for ACM
connector and the ECM connector.
(1) Disconnect the C34 VSV for ACM connector.
(2) Disconnect the C55 ECM connector.
(3) Measure the resistance between the wire harness
side connectors.
Standard resistance (Check for open)
Tester Connections
VSV for ACM (C34-2) - ACM (C55-42)
Standard resistance (Check for open)
Tester Connections
VSV for ACM (C34-2) or ACM (C55-42) - Body
ground
(4) Reconnect the ECM connector.
(5) Reconnect the VSV connector.
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
Specified Conditions
Below 1 Ω
Specified Conditions
10 kΩ or higher