TROUBLESHOOTING (DTC P0443)
STEP
1
Was "ENGINE DIAG. FLOW TABLE" performed?
2
Check EVAP canister purge system for operation
referring to "EVAP Canister Purge System Check".
Is check result satisfactory?
3
Check EVAP canister purge valve for resistance
referring to "EVAP Canister Purge Valve Inspection".
Is resistance as specified?
ACTION
ENGINE DIAGNOSIS (G16 / J20 ENGINES) 6-87
YES
Go to Step 2.
Intermittent trouble or
faulty ECM (PCM).
Check for intermittent
referring to "Intermit
tent and Poor Connec-
tion" in Section 0A.
"G/B" or "Bl/B" circuit
open or short.
If wire and connec-
tions are OK, substi-
tute a known-good
ECM (PCM) and
recheck.
NO
Go to "ENGINE
DIAG. FLOW
TABLE".
Go to Step 3.
Replace EVAP
canister purge
valve.