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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P040200EGRC-BPT VALVE
(EGR A flow excessive detected)
Diagnosis condition
  • Engine running at idle
  • After engine warmed up
Signal (terminal)—
ThresholdWhen intake manifold pressure is threshold value or more
Diagnosis delay time5 second or more
 
 
POSSIBLE CAUSE
EGR volume control valve
 
 
FAIL-SAFE
Engine operating condition in fail-safe mode
Fail safe modeVehicle behavior
Device fix mode
  • This mode fixes the electric IVT motor and the EVT control solenoid valve in the reference position.
  • The intake manifold runner control valve motor is turned OFF (intake manifold runner control valve opens).
  • A control signals is not transmitted to EGR volume control valve and the EGR volume control is deactivated.
 
 
DTC Confirmation Procedure
1.CHECK DTC PRIORITY
If DTC P0402 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Is applicable DTC detected?
Perform diagnosis of applicable. Refer to DTC Index.
.
 
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.
TEST CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
: .
 
3.PERFORM DTC CONFIRMATION PROCEDURE
  1. Start engine and warm it up to normal operating temperature.
  2. Shift the selector lever to D range and wait at least for 1 minute at idle speed.
  3. Check 1st trip DTC.
Is 1st trip DTC detected?
Refer to DTC Diagnosis Procedure.
INSPECTION END