Honda ACCORD HYBRID 2005 Service Manual page 556

Active Control Engine Mount (ACM) System
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC P16C5: Engine Mount Actuator Control
Power Circuit Stuck ON
1. Turn the ignition switch ON (II).
2. Check the VBACM and ACMRLY in the DATA LIST
w i t h the HDS.
Is there battery voltage?
Y E S — G o t o step 3.
NO—Intermittent failure, system is OK at this t i m e .
Check for poor connections or loose terminals at
the engine m o u n t control unit and the active
control engine mount (ACM) control relay. •
3. Check the active control engine m o u n t (ACM)
control relay (see page 22-72).
Is the active control engine mount (ACM) control
relay OK?
Y E S — G o to step 4.
NO—Replace the active control engine m o u n t
(ACM) control relay, then go to step 9.
4. Turn the ignition switch OFF.
5. Disconnect the engine m o u n t control unit 20P
connector.
6. Remove the active control engine m o u n t (ACM)
control relay (A) f r o m the relay holder.
7. Measure voltage between body g r o u n d and engine
m o u n t control unit 20P connector terminals No. 3
and No. 12 individually.
ENGINE MOUNT C O N T R O L UNIT 20P C O N N E C T O R
IGSOL1 (YEL)
1 2 3 4
i — i
5 6
/
8 9
10 11 12
/
14 15 16 17
/ / 20
IGSOL2 (YEL)
Wire side of female t e r m i n a l s
Is there battery voltage?
YES—Repair short to power in the w i r e between
the engine m o u n t control unit (No. 3, No. 12) and
the active control engine m o u n t (ACM) control
relay, then go to step 9.
N O — G o t o step 8.
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