Honda Civic 2002-2003 Service Manual page 333

VTEC/VTC
OTe Troubleshooting (cont'd)
30. Disconnect ECM connector B (24P).
31. Check for continuity between ECM connector
terminal B15 and body ground.
ECM CONNECTOR B 124P)
VTS IGRN/YEL)
8 9 10
1718
Q
=
Wire side of female terminals
/s there continuity?
YES~Repair
short in the wire between the VTEC
solenoid valve and the ECM (B15) .•
NO~Go
to step 32.
11-126
32. Connect VTEC solenoid valve 2P connector
terminal No.2 to body ground with a jumper wire.
VTEC SOLE NOlO VALVE
2P CONNECTOR
JUMPER VTS
WIRE IGRN/YEL)
Wire side of female terminals
33. Check for continuity between ECM connector
terminal B15 and body ground.
ECM CONNECTOR B 124P)
VTS IGRN/YEL)
6 7
8 15
1718 23
Q
Wire side of female terminals
Is there continuity?
YES~Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 11-6). If the symptom/indication
goes away with a known-good ECM, replace the
original ECM .•
NO~Repair open in the wire between the VTEC
solenoid valve and the ECM (B15) .•