Honda Civic 2002-2003 Service Manual page 392

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43. While monitoring FTP sensor voltage with the
Honda PGM Tester, or measuring voltage between
ECM connector terminals E4 and E14, slowly pump
the vacuum pump.
ECM CONNECTOR E 131 PI
SG3 (PNKI
1 1213 4 5 6r7l IS 9
'i. 1/ 1/1/1/11 415 16l71i
sT
/120 21
22231241
L
~
1271/129130 31
FTP(LTGRNI
Wire side of female terminals
44. Continue to pump vacuum until the voltage drops
to about 1.5V. Make sure the engine coolant
temperature is still above 95°F (35°C) and your
vacuum pump has no leak .
45. Monitor the voltage continuously for 20 seconds.
Does the voltage drop to 1.5 V and hold for at
least 20 seconds?
YES-Inspect the EVAP canister purge valve line
and connections. If they are OK, perform the EVAP
two way valve test (see page 11-186) and the fuel
tank vapor control valve test (see page 11-187) .•
NO-Replace the EVAP canister
(see page 11-189) .•
11-185