Vtec/Vtc: Dtc Troubleshooting; Dtc P0010: Vtc Oil Control Solenoid Valve Malfunction - Honda EP3 Service Manual

VTEC/VTC
DTG Troubleshooting
DTC P0010: WC Oil Control Solenoid Valve
Malfunction
1 . R e s e t t h e E C M ( s e e p a g e 1 1 - 4 ) .
2. Start the engine. Hold the engine at 3,000 rpm with
no load (in neutral) until the radiator fan comes on,
t h e n l e t i t i d l e .
3. Test-drive at a steady speed between 20-40 mph
(30-60 km/h) for 10 minutes.
ls DTC P0010 indicated ?
YES Go to step 4.
NO- Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the VTC oil control solenoid valve and at the
E C M . I
4. Turn the ignition switch OFF.
5. Disconnect the ECM connector B {24P).
6. Measure resistance between ECrU connector
t e r m i n a l s B 1 a n d 8 2 3 .
ECM CONNECTOR B I24P)
Wire side of female terminals
ls there 6.75 8.25 Q ?
YES Go to step 1 1.
NO Go to step 7.
7. Disconnect the VTC oil control solenoidvalve2P
connector.
1 1 - 1 1 8
8. Measure resistance between VTC oil control
s o l e n o i d v a l v e 2 P t e r m i n a l s N o . 1 a n d N o . 2 .
VTC OIL CONTAOL SOLENOID
VAI"VE 2P CONNECTOB
T e r m i n a s i d 6 o t m a t e t e r m i n a s
ls there 6.75 8.25 Q ?
YES-Go to step L
NO-Replace the VTC oil control solenoid valve
(see page 11-1271.a
9 . C o n n e c t V T C o i l c o n t r o l s o l e n o i d v a l v e 2 P
connector terminals No. 1 and No. 2 to body
g r o u n d w i t h a j u m p e r w i r e i n d i v i d u a l l y .
wc otl coNTBoL sotENoto
VALVE 2P CONNECTOR
-4-
t 1 t 2 l
w c
I l w c *
tBr-K/wHT) |
liELU/WHT)
JUMPER WTREI IJUMPEn W|RE
W i r e s i d e o f 1 6 m a l e t e . m i n a t s
10. Check for continuity between ECM connector
t e r m i n a l s B 1 a n d 8 2 3 a n d b o d y g r o u n d i n d i v i d u a l l y .
ls there continuity?
Y E S G o t o s t e p 1 1 .
NO- Repair open in the wire between the ECM (B 1,
B23) and the VTC oil control solenoid valve.I
\