Dtc Troubleshooting - Honda Accord 2008 Manual

07/11/02 09:19:19 61TA0000_110_0398
EVAP System

DTC Troubleshooting

DTC P0443:
Circuit Malfunction
Special Tools Required
Vacuum pump/gauge, 0 30 in.Hg, Snap-on YA4000A
or equivalent, commercially available
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Start the engine. Hold the engine speed at
3,000 rpm without load (A/T in P or N, M/T in
neutral) until the radiator fan comes on, then let it
idle.
4. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0443 indicated?
YES
−
NO
time. Check for poor connections or loose terminals
at the EVAP canister purge valve and the
ECM/PCM.
5. Turn the ignition switch to LOCK (0), and allow the
engine to cool below 140 °F (60 °C).
6. Disconnect the vacuum hose (A) from the purge
valve (B) in the engine compartment, and connect a
vacuum pump/gauge, 0 30 in.Hg, to the hose.
＊０１
B
11-398
EVAP Canister Purge Valve
−
− Go to step 5.
Intermittent failure, the system is OK at this
−
7. Start the engine, and let it idle.
Is there vacuum?
YES − Go to step 8.
NO − Go to step 14.
8. Turn the ignition switch to LOCK (0).
9. Disconnect the EVAP canister purge valve 2P
connector.
10. Check for continuity between EVAP canister purge
valve 2P connector terminal No. 2 and body ground.
EVAP CANISTER PURGE VALVE 2P CONNECTOR
Wire side of female terminals
Is there continuity?
−
YES Go to step 11.
NO − Go to step 23.
A
ＴＡ０８ＡＥＡＫ７２１０００９０４４３ＦＡＡＴ３０
PCS (YEL/BLU)
＊０２