Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: Rear Seat Heater Rh

Nissan Rogue (T33) 2021-Present Service Manual / Body Interior :: Seat / Dtc/circuit Diagnosis :: Rear Seat Heater Rh

Component Function Check

CHECK REAR SEAT HEATER RH FUNCTION

  1. Start the engine.

  2. Check that seat cushion and seat back of rear seat RH warms when operating rear seat heater switch RH.

Is the inspection result normal?

YES>>

Rear seat heater RH function is OK.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK FUSE

  1. Ignition switch OFF.

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

    Unit Location Fuse No. Capacity
    Ignition switch power supply Fuse block (J/B) 66 30A

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 REAR SEAT HEATER RH POWER SUPPLY VOLTAGE

  1. Disconnect rear seat heater RH connector.

  2. Start the engine.

  3. Check voltage between rear seat heater RH harness connector and ground.

    + -

    Voltage

    (Approx.)
    Rear seat heater RH
    Connector Terminal
    B406 1 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK REAR SEAT HEATER RH GROUND CIRCUIT (OPEN)

  1. Ignition switch OFF.

  2. Check continuity between rear seat heater RH harness connector and ground.

    Rear seat heater RH — Continuity
    Connector Terminal
    B406 2 Ground Yes
    4

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair the harness or connector.

CHECK REAR SEAT HEATER RH LIN SIGNAL

  1. Ignition switch ON.

  2. Confirm output waveform between rear seat heater RH harness connector and ground with oscilloscope.

    + – Output waveform
    Rear seat heater RH
    Connector Terminal
    B406 3 Ground

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 5.

CHECK REAR SEAT HEATER RH LIN SIGNAL CIRCUIT (OPEN)

  1. Ignition switch OFF.

  2. Disconnect A/C amp. connector.

  3. Check continuity between rear seat heater RH harness connector and A/C amp. harness connector.

    Rear seat heater RH A/C amp. Continuity
    Connector Terminal Connector Terminal
    B406 3 M55 45 Yes

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair the harness or connector.

CHECK REAR SEAT HEATER RH LIN SIGNAL CIRCUIT (SHORT TO GROUND)

  1. Disconnect following connectors:

    • Front seat heater LH

    • Front seat heater RH

    • Rear seat heater LH

  2. Check continuity between rear seat heater RH harness connector and ground.

    Rear seat heater RH — Continuity
    Connector Terminal
    B406 3 Ground No

Is the inspection result normal?

YES>>

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

NO>>

Repair the harness or connector.

CHECK REAR SEAT BACK HEATER RH CIRCUIT (OPEN)

  1. Ignition switch OFF.

  2. Check continuity between rear seat back heater RH harness connector and rear seat heater RH harness connector.

    Rear seat back heater RH Rear seat heater RH Continuity
    Connector Terminal Connector Terminal
    B413 2 B421 1 Yes

Is the inspection result normal?

YES>>

GO TO 8.

NO>>

Replace seat cushion heater RH. Refer to Disassembly and Assembly.

CHECK REAR SEAT BACK HEATER RH GROUND CIRCUIT (OPEN)

  1. Disconnect rear seat back heater RH connector.

  2. Check continuity between rear seat back heater RH harness connector and rear seat heater RH harness connector.

    Rear seat back heater RH Rear seat heater RH Continuity
    Connector Terminal Connector Terminal
    B413 1 B421 4 Yes

Is the inspection result normal?

YES>>

Replace rear seat back heater RH. Refer to Disassembly and Assembly.

NO>>

Replace seat cushion heater RH. Refer to Disassembly and Assembly.

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