RM36D0EC _51 Engine / Hybrid System _087036 M20C-FKS ENGINE CONTROL _0418131 SFI SYSTEM J

M20C-FKS ENGINE CONTROL  SFI SYSTEM  Active Control Engine Mount System  


CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.


PROCEDURE

1.PERFORM ACTIVE TEST USING GTS (ACTIVATE THE ACM INHIBIT)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Powertrain / Engine / Active Test / Activate the ACM Inhibit.

Powertrain > Engine > Active Test
Tester Display
Activate the ACM Inhibit
50004 372 43

e.

According to the display on the GTS, perform the Active Test to operate the vacuum switching valve (for active control engine mount system) and for check the operating sound of the vacuum switching valve (for active control engine mount system).

OK:

Operating sounds can be heard.



Result:
Proceed to
OK
NG



OK

2.CHECK VACUUM HOSES

NG

6.CHECK TERMINAL VOLTAGE (POWER SOURCE OF VACUUM SWITCHING VALVE (FOR ACTIVE CONTROL ENGINE MOUNT SYSTEM))
2.CHECK VACUUM HOSES
A434331C01
0.25,0.146 0.563,0.344 0.313,0.198 10 false *A 3.802,0.146 4.115,0.344 0.313,0.198 10 false *B 2.125,1.292 2.438,1.49 0.313,0.198 10 false *1 5.49,1.323 5.802,1.521 0.313,0.198 10 false *1 5.5,0.406 5.813,0.604 0.313,0.198 10 false *2 2.125,0.396 2.438,0.594 0.313,0.198 10 false *2 1.375,2.208 1.688,2.406 0.313,0.198 10 false *3 4.75,2.208 5.063,2.406 0.313,0.198 10 false *3 2.885,2.219 3.198,2.417 0.313,0.198 10 false *4 6.26,2.208 6.573,2.406 0.313,0.198 10 false *4 0.708,1.583 1.021,1.781 0.313,0.198 10 false *5 4.063,1.573 4.375,1.771 0.313,0.198 10 false *5 1.406,1.583 1.719,1.781 0.313,0.198 10 false *6 4.771,1.573 5.083,1.771 0.313,0.198 10 false *6
*A for 2WD *B for AWD
*1 Engine *2 Vacuum Pump Assembly
*3 Front Engine Mounting Insulator *4 Rear Engine Mounting Insulator
*5 ECM *6 Vacuum Switching Valve (for Active Control Engine Mount System)


a.

Check the air and vacuum hoses for looseness, disconnection and blockage.

OK:

No looseness, disconnection or blockage.



Result:
Proceed to
OK
NG



OK

3.CHECK VACUUM

NG

REPAIR OR REPLACE VACUUM HOSES

3.CHECK VACUUM
A449579

a.

Disconnect the vacuum hose from the vacuum pump assembly.


b.

Start the engine.


c.

Check that the disconnected port located on the vacuum pump assembly applies suction to your finger.

OK:

Vacuum exists.



Result:
Proceed to
OK
NG



OK

4.INSPECT FRONT ENGINE MOUNTING INSULATOR

NG

REPLACE VACUUM PUMP ASSEMBLY

Click hereBrake>BRAKE SYSTEM (OTHER)>VACUUM PUMP (for M20C-FKS)>REMOVAL


4.INSPECT FRONT ENGINE MOUNTING INSULATOR
a.

Inspect the front engine mounting insulator.

Click hereEngine / Hybrid System>M20C-FKS (ENGINE CONTROL)>ACTIVE CONTROL ENGINE MOUNT (for Front Side)>ON-VEHICLE INSPECTION


Result:
Result Proceed to
OK (for 2WD) A
OK (for AWD) B
NG C



A

5.INSPECT REAR ENGINE MOUNTING INSULATOR

B

SYSTEM NORMAL

C

REPLACE FRONT ENGINE MOUNTING INSULATOR

Click hereEngine / Hybrid System>M20C-FKS (ENGINE CONTROL)>ACTIVE CONTROL ENGINE MOUNT (for Front Side)>REMOVAL


6.CHECK TERMINAL VOLTAGE (POWER SOURCE OF VACUUM SWITCHING VALVE (FOR ACTIVE CONTROL ENGINE MOUNT SYSTEM))
A337501C34
0.552,1.188 0.896,1.438 0.344,0.25 0.146,0.135 0.458,0.333 0.313,0.198 10 false *a 0.635,1.25 0.948,1.448 0.313,0.198 10 false C7
*a Front view of wire harness connector
(to Vacuum Switching Valve (for Active Control Engine Mount System))


a.

Disconnect the vacuum switching valve (for active control engine mount system) connector.


b.

Turn the ignition switch to ON.


c.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
C7-1 - Body ground Ignition switch ON 11 to 14 V



Result:
Proceed to
OK
NG



OK

7.INSPECT VACUUM SWITCHING VALVE (FOR ACTIVE CONTROL ENGINE MOUNT SYSTEM)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (VACUUM SWITCHING VALVE (FOR ACTIVE CONTROL ENGINE MOUNT SYSTEM) - EFI-MAIN NO. 1 RELAY)

7.INSPECT VACUUM SWITCHING VALVE (FOR ACTIVE CONTROL ENGINE MOUNT SYSTEM)
a.

Inspect the vacuum switching valve (for active control engine mount system).

Click hereEngine / Hybrid System>M20C-FKS (ENGINE CONTROL)>VACUUM SWITCHING VALVE (for Engine Mounting)>INSPECTION


Result:
Proceed to
OK
NG



OK

8.CHECK HARNESS AND CONNECTOR (VACUUM SWITCHING VALVE (FOR ACTIVE CONTROL ENGINE MOUNT SYSTEM) - ECM)

NG

REPLACE VACUUM SWITCHING VALVE (FOR ACTIVE CONTROL ENGINE MOUNT SYSTEM)

Click hereEngine / Hybrid System>M20C-FKS (ENGINE CONTROL)>VACUUM SWITCHING VALVE (for Engine Mounting)>REMOVAL


8.CHECK HARNESS AND CONNECTOR (VACUUM SWITCHING VALVE (FOR ACTIVE CONTROL ENGINE MOUNT SYSTEM) - ECM)
a.

Disconnect the vacuum switching valve (for active control engine mount system) connector.


b.

Disconnect the ECM connector.


c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
C7-2 - C71-108 (ACM) Always Below 1 Ω
C7-2 or C71-108 (ACM) - Body ground and other terminals Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE ECM

Click hereEngine / Hybrid System>M20C-FKS (ENGINE CONTROL)>ECM>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR