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3 CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect EVAP canister vent control valve harness connector.
SEF267X
3. Turn ignition switch “ON”.
4. Check voltage between EVAP canister vent control valve terminal 1 and ground with CONSULT-II or tester.
SEC061D
Voltage: Battery voltage
OK or NG
OK © GO TO 5.
NG © GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors M5, B1
I Fuse block (J/B) connector M19
I 15A fuse
I Harness for open or short between EVAP canister vent control valve and fuse
© Repair harness or connectors.
5 CHECK EVAP CANISTER VENT CONTROL VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 105 and EVAP canister vent control valve terminal 2.
Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 7.
NG © GO TO 6.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
Diagnostic Procedure (Cont’d)
EC-387
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