Honda Civic Service Manual page 541

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,96 D16Y5 engine,,96 D16r,gngino,,96 Dt6Y8 engine {3edan)' 37 D16Y5 engino..97 D16r, engine {coupe: KA, Kc mod-
els. sedan: KA, KC, KL {DX} models. hatchback: all modols}''97 Dl6Y8 ongine
(s€dan: KA' KC mod€lsl:
The scan tool indicates Diagnostic Trouble code (DTC) P0441: Evaporative Emission
(EVAP) control system
insufficient purge flow.
Description
By monitoring the purge line vacuum with the MAP sensor, the ECM/PCM can detect
insufficient EVAP control system
purge flow.
Possible Cau3e
. EVAP Purge Control Solenoid Valve
. EVAP Purge Control Solenoid Valve Circuit
. EVAP Control Canister
. Vacuum Lines
. ECM/PCM
Troubl93hooting Flowchart
Wire side of female
terminals
EVAP PURGE CONTROI-
sottNotD vALvE 2P
CoNNECTOR (Cl1al
r-+-r
I ' l ' l
lG-ro.*l'rr"r
O)
Y
(cont'd)
11-271
- The MIL has bsGn.eportad on.
-
DTC milal k rtored.
Pioblem vsrificJtion:
1 . S t a r t t h e e n g i n e . H o l d t h e
engine at 3,000 rPm with no
load {in Park or noutral) until
the radiator fan comes on.
2. Do the ECM/PCM Reset Proce'
dure,
3. Connect the SCS service con-
nector.
4. Test-drive under following con-
ditions on the road
-
Without any electrical load
-
A/T in E or E
Position
(M/T in 3rd-sth gear)
-
E n g i n e s P e e d b e t w e o n
1,200 - 2.400 rpm.
-
Decelerate {rom 50 mph (80
knl/h)to 15 mph (24 km/h)
lntormittont lailuro, sFtorn b OK
at thi. timo. Ch€ck tor Poor con'
ncction3 or looac wir.3 at C144
{EVAP purgo control tolonoid
vrtv.l .nd ECir/FCttl.
ls DTC P0441 indicatod?
Ch.ck fo. !n op€n in the wiro l|(il
linel:
1. Turn the ignition switch OFF.
2. Disconnect the EVAP Purge
control solenoid valve 2P con_
neclor,
3. Turn the ignition switch ON (ll)
4. Measur€ voltage between body
ground and the EVAP Purge
control solenoid valve 2P con-
nector terminal No 1.
Rop.ir opor in tho wir6 b€two€n
the EVAP purgo codtiol tolonoid
v.lvo rnd tho No 15 ALIERNA'
TOR SP SENSOR 17.5 A)lu.o.
{To page 11-272)