Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Acura 3.5RL 1996-2004 Approved srm RL9604S05020A
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Main Menu Table of Contents
Engine Mount Control System
Troubleshooting Flowchart
NOTE:
Check the vacuum hoses and lines for damage and proper connections.
Refer to the Troubleshooting Procedures (see section 11).
The engine vibrates excessively
when idling.
Check Idle Speed:
Warm up engine to normal oper-
ating temperature (the cooling
fan comes on 2 times).
Is the idle speed less than Adjust the idle speed (see
700 rpm? section 11).
Check the Engine Mount Control
System:
1. Fully depress the brake pedal.
2. With the transmission in gear,
have an assistant disconnect
and reconnect the IMRC/
engine mount control solenoid
valve assembly 6P connector.
IMRC/ENGINE MOUNT
Is there a noticeable change in Reconnect the IMRC/engine CONTROL SOLENOID
idle smoothness when the mount control solenoid valve VALVE ASSEMBLY 6P
IMRC/engine mount control assembly 6P connector. The CONNECTOR
solenoid valve assembly 6P con- engine mount control system is
nector is disconnected? OK.
Test the Engine Mount Control
Solenoid Valve Wire:
1. Shift to or position.
2. Disconnect the IMRC/engine
mount control solenoid valve
assembly 6P connector.
3. Measure voltage between the
No.3 terminal and body
ground. Wire side of female
terminals
Repair open in BLK/YEL wire
between the IMRC/engine
Is there battery voltage? mount control solenoid valve
assembly 6P connector and PCM
fuse (20 A).
Test the Engine Mount Control
Solenoid Valve Wire:
Measure voltage between the
No. 3 and No. 6 terminals.
-- Repair open in LT GRN wire
between PCM (A17) and the
NO IMRC/engine mount control
Is there battery voltage? solenoid valve assembly 6P
connector.
-- If the wire is OK, substitute a
known-good PCM and recheck.
(To page 5-21)
Main Menu Table of Contents
IMRC/ENGINE MOUNT
CONTROL SOLENOID
(From page 5-20) VALVE ASSEMBLY 6P
CONNECTOR
Test the Engine Mount Control
Solenoid Valve Wire:
1. Raise the engine speed above
1,000 rpm.
2. Measure voltage between the
No. 3 and No. 6 terminals.
Repair short to body ground in
LT GRN wire between PCM Wire side of female
(A17) and the IMRC/engine terminals
Is there battery voltage? mount control solenoid valve ENGINE MOUNT
assembly 6P connector. CONTROL SOLENOID
If the wire is OK, substitute a VALVE
known-good PCM and recheck.
Test the Engine Mount and Vac-
uum Hose:
Disconnect the upper vacuum
hose from the engine mount con-
trol solenoid valve, and connect a
vacuum pump/gauge to the hose.
Apply vacuum for 20 seconds.
-- Inspect the vacuum hose. VACUUM PUMP/
Does the engine mount hold GAUGE, 0-30 in.Hg.
-- Replace the left and/or right UPPER VACUUM
vacuum? A973X-041-XXXXX
engine mount. HOSE
Test the Engine Mount:
Release the vacuum, then apply ENGINE MOUNT
vacuum again. CONTROL SOLENOID
VALVE
Is there a noticeable change in
Replace the left and/or right
idle smoothness with and
engine mount.
without vacuum applied?
Test the Engine Mount Control
Solenoid Valve:
Disconnect the lower vacuum
hose from the engine mount con-
trol solenoid valve, and connect a
vacuum gauge to the hose. VACUUM PUMP/
GAUGE, 0-30 in.Hg. LOWER VACUUM
A973X-041-XXXXX HOSE
Is there manifold vacuum? Repair as needed.
Replace the engine mount control
solenoid valve.
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