Spool Valve Inspection - Honda Acura NSX 1991 Service Manual

VTEC

-Spool Valve Inspection

1 . Disconnect the 2P connector from the spool valve.
2. Measure resistance between the YEL (Front) or
BLU/YEL (Rear) terminal and body ground.
Resistance: approx 14-30 ohms
YEL (Front) or
3. If the resistance is within specifications, remove the
spool valve assembly from the clinder head, and
check the spool valve filter for clogging.
If there is clogging, replace the engine oil filter and
l
the engine oil.
SPOOL VALVE
ASSEMBLY
6x l.Omm
12 N-m (1.2 kg-m, B lb-ft)
4. If filters are normal, push the spool valve with the
finger and check its movement.
If spool valve is normal, check the engine oil
l
pessure.
6 x l.Omm
12 N.m (1.2 kg-m, 9 lb-ft)