Nissan Rogue (T33) 2021-Present Service Manual: Ecv (electrical Control Valve)

Nissan Rogue (T33) 2021-Present Service Manual / Ventilation, Heater & Air Conditioner :: Heater & Air Conditioning Control System / Manual Air Conditioning :: Dtc/circuit Diagnosis / Ecv (electrical Control Valve)

Diagnosis Procedure

CHECK FUSE

  1. Ignition switch OFF.

  2. Check that the following fuse is not blown (open).

    Unit Location Fuse No. Capacity
    A/C compressor IPDM E/R 71 10 A

Is the fuse blown (open)?

YES>>

Replace the blown (open) fuse after repairing the affected circuit if a fuse is blown (open).

NO>>

GO TO 2.

CHECK ECV POWER SUPPLY CIRCUIT

  1. Disconnect A/C compressor connector.

  2. Ignition switch ON.

  3. Check voltage between A/C compressor harness connector and ground.

    (+) (−) Voltage
    A/C compressor
    Connector Terminal
    F15 3 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 3.

CHECK ECV POWER SUPPLY CIRCUIT FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect IPDM E/R connector.

  3. Check continuity between A/C compressor harness connector and IPDM E/R harness connector.

    A/C compressor IPDM E/R Continuity
    Connector Terminal Connector Terminal
    F15 3 F35 71 Yes

Is the inspection result normal?

YES>>

Replace IPDM E/R. Refer to Removal and Installation.

NO>>

Repair harness or connector.

CHECK ECV CONTROL SIGNAL CIRCUIT FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect IPDM E/R connector.

  3. Check continuity between A/C compressor harness connector and IPDM E/R harness connector.

    A/C compressor IPDM E/R Continuity
    Connector Terminal Connector Terminal
    F15 4 F42 98 Yes

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair harness or connector.

CHECK ECV

Check ECV. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Replace IPDM E/R. Refer to Removal and Installation.

NO>>

Replace A/C compressor. Refer to Removal and Installation.

Component Inspection

CHECK ECV

  1. Ignition switch OFF.

  2. Check continuity between A/C compressor terminals.

Terminal Continuity
3 4 Yes

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace A/C compressor. Refer to Removal and Installation.

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