Dtc P200C Diesel Particulate Filter Over Temperature Bank 1

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
2Kd-Ftv Engine Control. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

MONITOR DESCRIPTION

INSPECTION PROCEDURE

READ OUTPUT DTC (RECORD STORED DTC AND FREEZE FRAME DATA) (PROCEDURE 1)

REPLACE EXHAUST GAS TEMPERATURE SENSOR

CHECK FOR BLACK SMOKE

REPLACE FRONT EXHAUST PIPE ASSEMBLY

CHECK FUEL INJECTION SYSTEM

CHECK INTAKE / EXHAUST SYSTEM

CHECK AFTER TREATMENT CONTROL SYSTEM

REPLACE MALFUNCTIONING PARTS

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

DTC P200C Diesel Particulate Filter Over Temperature Bank 1


DESCRIPTION


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Control.Ecd System (For Dpf). Dtc P200C Diesel Particulate Filter Over Temperature Bank 1

The exhaust fuel addition injector is mounted on the outlet of the turbocharger sub-assembly, and low pressure fuel is supplied to the injector by the feed pump in the supply pump. This injector adds fuel in response to a control signal from the ECM, in order to perform PM forced regeneration.
During PM forced regeneration, the exhaust fuel addition injector adds fuel to raise the DPF* catalyst temperature.
HINT:
  1. For more information on the exhaust fuel addition injector and DPF, refer to the following procedures (HILUX_TGN26 RM000000XSN02CX.html).
  2. If P200C is present, refer to the diagnostic trouble code (DTC) chart for Diesel Particulate Filter System (HILUX_TGN26 RM000000XSN02CX.html).
*: Diesel Particulate Filter

P200C
DTC Detection Drive Pattern
DTC Detection Condition
Trouble Area
PM forced regeneration*
*: When P200C is detected due to a DPF catalyst problem such as thermal degradation, because the malfunction cannot be duplicated even if the vehicle is driven after PM forced regeneration is performed, perform troubleshooting by following the diagnosis procedure and checking the freeze frame data.
DPF catalyst temperature becomes higher than 1000°C (1832°F) for 5 seconds.
(1 trip detection logic)
Main Trouble Area
  1. Open or short in exhaust fuel addition injector assembly
  2. Exhaust fuel addition injector assembly
  3. Front exhaust pipe assembly (DPF catalytic converter)
Sub Trouble Area
  1. No. 2 exhaust gas temperature sensor (B1S2)
  2. No. 3 exhaust gas temperature sensor (B1S3)
  3. Air fuel ratio sensor
  4. Mass air flow meter
  5. Manifold absolute pressure sensor
  6. Fuel leaks or blockages in exhaust fuel addition injector assembly
  7. Suction control valve
  8. Injector assembly
  9. Blockages or leaks in air intake system
  10. Blockages or leaks in exhaust system
  11. Blockages or leaks in EGR system
  12. ECM
Common Inspection Item:
  1. Fuel injection system
  2. Intake/Exhaust system
  3. After treatment control system
HINT:
  1. Due to fail-safe operation when other DTCs (that involve the engine power limit) are stored, PM forced regeneration may be prohibited.
    This DTC or P20CF, P244B, P244C and P2463 may be stored due to the fact that PM forced regeneration is prohibited due to the fail-safe operation of other DTCs.
  2. The air-fuel ratio and the exhaust gas temperature can be checked by entering the following menus on the intelligent tester: Powertrain / Engine and ECT / Data List / AF Lambda B1S1, Exhaust Temperature B1S1, Exhaust Temperature B1S2 and Exhaust Temperature B1S3.
  3. Malfunctions in the engine itself may affect the DPF system control and cause storage of this DTC. For example, malfunctions in the injector assemblies that cause a large amount of smoke emission: These affect the exhaust fuel addition injector assembly operation. Blockages or leaks in the air intake system, or an EGR system malfunction such as EGR passage blockages: These malfunctions affect the DPF catalyst temperature control. Therefore, the engine condition itself should also be checked, in addition to the exhaust fuel addition injector assembly.

Related Data List
DTC No.
Data List
P200C
  1. MAF
  2. MAP
  3. Intake Air Temp (Turbo)
  4. Target Booster Pressure
  5. Atmosphere Pressure
  6. Coolant Temp
  7. Engine Speed
  8. AFS Voltage B1S1
  9. AF Lambda B1S1
  10. DPF PM Block
  11. DPF No Activate
  12. Exhaust Fuel Addition FB
  13. Exhaust Temperature B1S1
  14. Exhaust Temperature B1S2
  15. Exhaust Temperature B1S3
  16. Catalyst Differential Press
  17. Injection Feedback Val #1 to #4
  18. Injection Volume

MONITOR DESCRIPTION

The ECM monitors DPF catalyst temperature. When the temperature becomes high due to uncombusted fuel, engine oil or thermal degradation to the DPF catalyst, the ECM illuminates the MIL.

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Engine Control.Ecd System (For Dpf). Dtc P200C Diesel Particulate Filter Over Temperature Bank 1


INSPECTION PROCEDURE

NOTICE:
  1. Inspect the fuses of circuits related to this system before performing the following inspection procedure.
  2. After replacing the ECM, the new ECM needs registration (HILUX_TGN26 RM0000012XK070X.html) and initialization (HILUX_TGN26 RM000000TIN057X.html).
  3. After replacing the fuel supply pump assembly, the ECM needs initialization (HILUX_TGN26 RM000000TIN057X.html).
  4. After replacing an injector assembly, the ECM needs registration (HILUX_TGN26 RM0000012XK070X.html).
HINT:
Read freeze frame data using the intelligent tester. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, and other data from the time the malfunction occurred.
1.READ OUTPUT DTC (RECORD STORED DTC AND FREEZE FRAME DATA) (PROCEDURE 1)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to ON and turn the tester on.

  1. Enter the following menus: Powertrain / Engine and ECT / DTC.

  1. Record the stored DTC and freeze frame data.


NEXT


2.REPLACE EXHAUST GAS TEMPERATURE SENSOR

  1. Confirm "Exhaust Temperature B1S2" and "Exhaust Temperature B1S3" in the freeze frame data which was recorded in step 1 and determine which exhaust gas temperature sensor to replace.

    Result
    Result
    		Items to be Replaced
    Exhaust Temperature B1S2 value is 850°C (1562°F) or more
    		No. 2 exhaust gas temperature sensor (B1S2)
    No. 3 exhaust gas temperature sensor (B1S3)
    Exhaust Temperature B1S3 value is 850°C (1562°F) or more
    		No. 3 exhaust gas temperature sensor (B1S3)

  1. If DTC P200C is output, the exhaust gas temperature sensors need to be replaced. However, make sure to perform all diagnostic procedures for DTC P200C before replacing the exhaust gas temperature sensors.

    HINT:
    If the exhaust gas temperature sensors are subjected to an abnormally high temperature, the internal resistance of the sensor increases. This causes incorrect temperature measurement.

NEXT


3.CHECK FOR BLACK SMOKE

  1. Start the engine and drive the vehicle until the engine coolant temperature reaches 60°C (140°F) or higher.

  1. Stop the vehicle and allow the engine to idle.

  1. Fully depress the accelerator pedal for 5 seconds, and then release it [A].

  1. Repeat the above procedure [A] 10 times [B].

  1. Check for black smoke emission during procedure [A] and [B].

    OK:
    Black smoke is emitted less than 5 times.
    HINT:
    Even if the black smoke is very thin, count the number of black smoke emissions if there is any visible smoke.


OK
Go to step 5

NG
Go to step 4

4.REPLACE FRONT EXHAUST PIPE ASSEMBLY

  1. Even though it has been determined that the front exhaust pipe assembly (DPF catalyst) needs to be replaced, make sure to perform all diagnostic procedures for DTC P200C before replacing it.

    HINT:
    This DTC is stored because an excessive amount of PM has accumulated and resulted in abnormal combustion. It is necessary to diagnose the cause of abnormal PM accumulation and repair the problem. Therefore, do not perform replacement at this time.

NEXT


5.CHECK FUEL INJECTION SYSTEM

  1. Check the fuel injection system (HILUX_TGN26 RM000004KNK00VX.html).


NEXT


6.CHECK INTAKE / EXHAUST SYSTEM

  1. Check the intake/exhaust system (HILUX_TGN26 RM000004KNL00NX.html).


NEXT


7.CHECK AFTER TREATMENT CONTROL SYSTEM

  1. Check the after treatment control system (HILUX_TGN26 RM000004KNM00CX.html).


NEXT


8.REPLACE MALFUNCTIONING PARTS
HINT:
Replace the following items only when it has been determined necessary based on diagnosis for DTC P200C.

  1. Replace the Front exhaust pipe assembly (HILUX_TGN26 RM00000456A00DX.html).

  1. Replace the No. 2 exhaust gas temperature sensor (B1S2) (HILUX_TGN26 RM000003TEF00PX.html).

  1. Replace the No. 3 exhaust gas temperature sensor (B1S3) (HILUX_TGN26 RM000003TEF00PX.html).


NEXT


9.CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to ON and turn the tester on.

  1. Clear the DTCs (HILUX_TGN26 RM000000PDK11ZX.html).

  1. Perform PM forced regeneration (HILUX_TGN26 RM00000187701VX_02_0008.html).


NEXT

END