Details On DTCs
WARNING: This page is about a different variant/trim than selected.
DTC P0402-00: (PCM, VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE
| DESCRIPTION |
EGR flow excessive detected |
| DETECTION CONDITION |
Determination conditions |
- When the following condition is met, the EGR volume is higher than the specification for the target value for a continuous specified time.
|
| Preconditions |
- If any of the following conditions is met under condition A or condition B:
Condition A:
- Mass air flow after the EGR valve is close: 4.4 g {0.16 oz} or more
- Engine speed: 2, 600 rpm or less
- Purge control: not active
- Fuel injection control: during fuel cut
- The following DTCs are not detected:
- Intake valve timing control system: P0010-00:, P0011-00:, and P0012-00:
- CKP sensor and intake CMP sensor: P0016-00:
- TP sensor: P0122-00:, P0123-00:, and P2135-00:
- ECT sensor: P0116-00:, P0117-00:, and P0118-00:
- MAP sensor: P0069-00:, P0107-00:, and P0108-00:
- EGR valve control system: P0403-00:
- MAF sensor: P0101-00:, P0102-00:, and P0103-00:
- Exhaust gas pressure sensor: P0472-00: and P0473-00:
- Boost pressure sensor: P0237-00: and P0238-00:
Condition B
- Engine speed: 460 rpm or less
- Intake manifold pressure before the EGR valve is open: specification
- Intake manifold pressure after the EGR valve is open: specification
- The following DTCs are not detected:
- EGR flow insufficient detected: P0401-00:
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| Drive cycle |
|
| Self test type |
|
| Sensor used |
- EGR valve
- MAF sensor
- MAP sensor
- Exhaust gas pressure sensor
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| FAIL-SAFE FUNCTION |
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| VEHICLE STATUS WHEN DTCs ARE OUTPUT |
- The following vehicle conditions differ depending on the type of malfunction
- Illuminates the check engine light
|
| POSSIBLE CAUSE |
- Erratic signal to PCM
- MAF sensor signal malfunction
- MAP sensor signal malfunction
- Input signal part connector or terminals malfunction
- Input signal part related circuit malfunction
- EGR valve malfunction (stuck open)
- PCM malfunction
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