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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (4 Of 6)) >> DTC/Circuit Diagnosis >> DTC P200E-00: Catalyst System Over Temperature Bank 1 >> Diagnosis Procedure

Diagnosis Procedure

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  1. CHECK DTC PRIORITY 
    1. Turn ignition switch ON.
    2. Connect CONSULT and check for other existing "ENGINE" diagnostic trouble codes.

    If any of the following DTCs exist, perform the confirmation procedure (trouble diagnosis) for other DTC:

    • U1611-00
    • P1613
    • P1614
    • P1615
    • P1623-00

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable DTC. Refer to DTC Index .

    NO

    GO TO 2 .

  2. CHECK FOR INJECTOR MISFIRE 
    1. Start the engine and run it at low idle.
    2. Determine if a cylinder misfire is noticed when the engine is running at low idle.
    3. Connect the CONSULT and perform the cylinder cutout test.

    Was an engine misfire detected?

    YES

    Replace malfunctioning injector. Refer to (cylinder 1 or 3) Removal and Installation (CYLINDER 1 and CYLINDER 3) , (cylinder 2 or 4) Removal and Installation (CYLINDER 2 and CYLINDER 4) , (cylinder 5 or 7) Removal and Installation (CYLINDER 5 and CYLINDER 7) , (cylinder 6 or 8) Removal and Installation (CYLINDER 6 and CYLINDER 8) .

    NO

    GO TO 3 .

  3. INSPECT TURBOCHARGER EXHAUST OUTLET FOR OIL OR FUEL 
    1. Turn ignition switch OFF.
    2. Remove the exhaust plumbing from the turbocharger outlet.
    3. Look for signs of moisture in the turbocharger exhaust outlet.
    4. Inspect the turbocharger exhaust outlet for signs of oil or fuel being introduced into the aftertreatment system from the engine.

    Engine oil or fuel contamination found in the turbocharger exhaust outlet?

    YES

    Locate the cause of possible diesel fuel or engine oil being carried from the engine into the aftertreatment system and repair or replace any components that caused the engine oil or diesel fuel contamination. Inspect the aftertreatment system for possible damage.

    NO

    GO TO 4 .

  4. CHECK AFTERTREATMENT DIESEL OXIDATION CATALYST FOR SOOT ACCUMULATION 
    1. Remove the aftertreatment Diesel Oxidation Catalyst (DOC) and Diesel Particulate Filter (DPF) assembly.
    2. Inspect the aftertreatment DOC.
    3. Check the intake face of the aftertreatment DOC for damage, soot accumulation and/or face plugging.

    Is more than 50 % of the cells on the intake face completely blocked by soot?

    YES

    Replace the DOC and DPF assembly. Refer to Removal and Installation .

    NO

    GO TO 5 .

  5. ERASE DTC. 
    1. Connect all harness connectors.
    2. With CONSULT, erase all DTCs.
    3. Operate the engine within the conditions for setting DTC found in the DTC description.
    4. Check for existing "ENGINE" diagnostic trouble codes.

    Did the P200E-00 DTC return?

    YES

    Troubleshooting procedure needs to be repeated. Go to DTC Description .

    NO

    Repair complete.

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