DTC P2453 Differential Pressure Sensor Circuit Range/Performance (4JJ3 with DPD)

1. DTC P2453 description

The exhaust differential pressure sensor is installed to the cylinder head cover bracket near the DPD. The exhaust differential pressure sensor changes the signal voltage in accordance with changes in the exhaust gas pressure difference between the front and rear of the DPD filter. If the ECM detects an excessively high exhaust differential pressure, the DTC is set.

2. Condition for setting DTC P2453

Condition for running the DTC

The battery voltage is 9 to 16 V.
The ignition switch is ON.
The engine speed is 4400 rpm or less.
The fuel injection quantity is 130 mm3/st or less.
DTCs P060B, P06A3, P2454, and P2455 are not set.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC P060B Internal Control Module A/D Processing Performance".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC P06A3 Sensor Reference Voltage 4 Circuit".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC P2454 Differential Pressure Sensor Circuit Low".

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC P2455 Differential Pressure Sensor Circuit High".

Condition for setting the DTC

The ECM detects that the exhaust differential pressure is 60 kPa {8.7 psi} or more for 3 seconds or more.

3. Action taken when DTC P2453 sets

The ECM illuminates the MIL. Refer to Action taken when DTC sets - Type A.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC type definitions".

The ECM inhibits the DPD regeneration.

4. Condition for clearing DTC P2453

Refer to Conditions for clearing the MIL/DTC - Type A or Type B.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC type definitions".