Honda EP3 Service Manual page 347

VTEC/VTC
DTC Troubleshooting (cont'dl
Remove the VTC strainer (A). Check the WC
s t r a i n e r f o r c l o g g i n g .
ls the strainet OK?
YES Go to step g.
NO-Clean the VTC strainer, then replace the
e n g i n e o i l f i l t e r a n d t h e e n g i n e o i l . l
9. Check the VTC oil control solenoidvalve {see page
11-127 ).
ls the VTC oilcontrol solenoid valve OK?
YES Go to step 10.
NO Clean the ports of the WC oil control solenoid
valve, or replace the VTC oil control solenoid valve
{see page 11-127).a
Installthe VTC oil control solenoid valve.
Start the engine. Hold the engine at 700 1,000 rpm.
1 2 . C o n n e c t E C M c o n n e c t o r t e r m i n a l B 2 3 t o b o d v
g r o u n d w i t h a j u m p e r w i r e .
ECM CONNECTOR B {24PI
1 0 .
1 1 .
2 1 3 4 1 5
6 7
8
e l1a ,/1,/
15
1
181./l l./
21 23
vTc
(BLK/WHT}
JUMPER
WIRE
11-120
Wire side of temale terminals
13. Connect ECM connector terminals A3 and 81 witha
j u m p e r w i r e m o m e n t a r i l y .
NOTE: Do not jump for more than 1 minute,
ECM CONNECTORS
Did the engine stall or run rough?
YES Test-drive at a steady speed between
20 40 mph (30 60 km/h) for 10 minutes.
lf temporary DTC P00'l 1 is indicated, update the
ECIVI if it does not have the latest software, or
substitute a known-good ECM, then recheck (see
page 11-6). lf the symptom/indication goes away
with a known-good ECM, replace the original
E C M . !
NO Go to step 14.
Check the VTC actuator (see page 6,8).
ls the VTC actuatot OK?
YES Remove the auto-tensioner (see page 4-281,
and clean or replace the VTC oil strainer. Update
the ECI\4 if it does not have the latest software, or
substitute a known-good ECM, then recheck (see
page 11-6). lf the symptom/indication goes away
with a known-good ECM, replace the original ECM.
T
NO Replace the VTC actuator.t
\
1 4 .
Wire side of female terminals