M20C-FKS, M20D-FKS ENGINE CONTROL SFI SYSTEM Active Control Engine Mount System
DESCRIPTION
WIRING DIAGRAM
CAUTION / NOTICE / HINT
- NOTICE:
-
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
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).
- Powertrain > Engine > Active Test
-
Tester Display Activate the ACM Inhibit - 50004 372 43
- OK:
Operating sounds can be heard.
- Result:
Proceed to OK NG
OK
NG
| *A | for 2WD models | *B | for AWD models |
| *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) |
Check the air and vacuum hoses for looseness, disconnection and blockage.
- OK:
No looseness, disconnection or blockage.
- Result:
Proceed to OK NG
OK
NG
Disconnect the vacuum hose from the vacuum pump assembly.
Start the engine.
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
NG
except BOSCH Made: Click hereBrake>BRAKE SYSTEM (OTHER)>VACUUM PUMP (for M20 Series Engine, except BOSCH Made)>REMOVAL202111,999999,_54,_111815,_0500822,RM100000001Z3Z3,
for BOSCH Made: Click hereBrake>BRAKE SYSTEM (OTHER)>VACUUM PUMP (for M20 Series Engine, BOSCH Made)>REMOVAL202111,999999,_54,_111815,_0500824,RM100000001Z3ZD,
- Result:
Result Proceed to OK (for 2WD models) A OK (for AWD models) B NG C
A
B
C
- Result:
Proceed to OK NG
OK
NG
Disconnect the vacuum switching valve (for active control engine mount system) connector.
Turn the ignition switch to ON.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Switch Condition Specified Condition Click Location & Routing(C50)Location & Routingewd_type=routing;type=c;code=C50
Click Connector(C50)Engine Compartment>Engine Wire>Vacuum Switching Valve (for Active Control Engine Mount System)ewd_type=component;type=c;code=C50;pinno=1
C50-1 (+B) - Body ground Ignition switch ON 11 to 14 V
- Result:
Proceed to OK NG
OK
NG
- Result:
Proceed to OK NG
OK
NG
Disconnect the vacuum switching valve (for active control engine mount system) connector.
Disconnect the ECM connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition Click Location & Routing(C50,C115)Location & Routingewd_type=routing;type=c,c;code=C50,C115
Click Connector(C50)Engine Compartment>Engine Wire>Vacuum Switching Valve (for Active Control Engine Mount System)ewd_type=component;type=c;code=C50;pinno=2
Click Connector(C115)Engine Compartment>Engine Wire>ECMewd_type=component;type=c;code=C115;pinno=108
C50-2 (ACM) - C115-108 (ACM) Always Below 1 Ω C50-2 (ACM) or C115-108 (ACM) - Body ground and other terminals Always 10 kΩ or higher
- Result:
Proceed to OK NG
OK
NG