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OK When performing the Active Test, make sure the shift lever is in P or N. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the EGR Step Position. (e) Confirm the Throttle Idle Position is ON and check the engine idling condition and MAP values in the Data List while performing the Active Test. HINT: Do not leave the EGR valve open for 10 seconds or more during the Active Test. OK: MAP and idling condition change in response to EGR step position as follows. Standard: - EGR STEP POSITION (ACTIVE TEST) 0 STEPS 0 TO 30 STEPS Idling condition Steady idling Idling changes from steady to rough idling or engine stall MAP (Data List) 20 to 40 kPa (150 to 300 mmHg) MAP value is at least +10 kPa (75 mmHg) higher than when EGR valve is fully closed OK GO TO STEP 6 NG GO TO STEP 5 5. INSPECT EGR VALVE ASSEMBLY (a) Remove the EGR valve assembly
. (b) Check if the EGR valve assembly is stuck open. OK: EGR valve is tightly closed. HINT: Perform "Inspection After Repairs" after replacing the EGR valve assembly
. NG REPLACE EGR VALVE ASSEMBLY 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0101; Mass A... |