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5 CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove EVAP control system pressure sensor with its harness connector connected.
SEF341V
2. Remove hose from EVAP control system pressure sensor.
3. Use pump to apply vacuum and pressure to EVAP control system pressure sensor as shown in figure.
4. Check output voltage between ECM terminal 62 and engine ground.
SEF198V
MTBL0295
CAUTION:
쐌 Always calibrate the vacuum pump gauge when using it.
쐌 Do not apply below −20 kPa (−150 mmHg, −5.91 inHg) or over 20 kPa (150 mmHg, 5.91 inHg) of pressure.
SEF799W
쐌 Never apply force to the air hole protector of the sensor, if equipped.
쐌 Discard any EVAP control system pressure sensor which has been dropped from a height of more than 0.5 m
(19.7 in) onto a hard surface such as a concrete floor; use a new one.
OK or NG
OK (With CONSULT-II) 䊳 GO TO 6.
OK (Without CONSULT-
II)
䊳 GO TO 7.
NG 䊳 Replace EVAP control system pressure sensor.
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE
KA24DE
Diagnostic Procedure (Cont’d)
EC-497
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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