ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-125
DTC P0443 Evaporative Emission System Purge Control Valve Circuit
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) With ignition switch OFF, connect scan tool to DLC.
2) Turn On ignition switch and clear DTC using scan tool.
3) Start engine and run engine at idle speed (600 rpm or more) for 1 minute with all electric loads turned OFF.
4) Check DTC and pending DTC.
1. EVAP canister purge valve 3. “IG COIL” fuse 5. Ignition switch
2. Main relay 4. Relay box 6. ECM
E23-15
E21-28
12V
5V
E21-6
E21-5
BLK/WHT
BLK/RED
BLK/RED
BLK/RED
WHT/BLU
80A
60A 20A
BLK/YEL BLK/YEL
BLK/YEL
BLU/BLK
BLU/BLK
E22-1
E23-2
BLK/YEL
BLK/YEL
BLK
E23-1
E23 E22 E21
12345671234561234567
7
891011121314151617 8910111213141516 891011121314151617
1819
1819
1718192021222324252627 20212223 202122232425 24252627 2627
2829303132 32 282930 28293031 3133 33 323334 3435 3435
BLK/RED
RED/BLK
E23-13
5
4
3
2
1
6
DTC Detecting Condition Trouble Area
Monitor signal of EVAP canister purge valve is different
from command signal. (Circuit open or short)
(2 driving cycle detection logic)
• EVAP canister purge valve
• EVAP canister purge valve circuit
• ECM
WARNING:
• When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.
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