Vlc System Malfunction - Honda Civic 2002-2003 Service Manual

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11. Check for continuity between ECM connector
terminals 81 and 823 and body ground individually.
Q
ECM CONNECTOR B (24P)
VTC--
(Bl.U/WHTj
1 2 3 4 5 67
8 9 10 13 15
17 18
Wire side of female terminals
Is there continuity?
YES-Go to step 12.
NO- Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 11-61. If the symptom/indication
goes away with a known-good ECM, replace the
original ECM .•
12. Disconnect the VTC oil control solenoid valve 2P
connector.
13. Check for continuity between ECM connector
terminals 81 and 823 and body ground individually.
Q
VTC
(BLK/WHT)
Wire side of female terminals
Is there continuity?
YES-Repair short in the wire between the ECM (81,
823) and the VTC oil control solenoid valve .•
NO-Replace the VTC oil control solenoid valve
(see page 11-127) .•
Ole POOll:
VlC System Malfunction
1. Resetthe ECM (see page 11-41.
2. Start the engine. Hold the engine at 3,000 rpm with
no load (in neutral) until the radiator fan comes on.
3. Test-drive at a steady speed between 20-40 mph
(30-60 km/hl for 10 minutes.
4. Check for Temporary DTC POOll with the scan tool.
Is Temporary DTC POOII indicated?
YES-Go to step 5.
NO-Intermittent failure, system is OK at this time.
Check for poor connections or loose wires at the
VTC oil control solenoid valve and at the ECM .•
5. Watch the low oil pressure light with the engine
running.
Is the low oil pressure light on?
YES-Check the oil pressure (see page 8-41 .•
NO-Go to step 6.
6. Turn the ignition switch OFF.
7. Remove
the auto-tensioner (see page 4-281.
(cont'dl
11-119