Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: Wiper Deicer Relay

Nissan Rogue (T33) 2021-Present Service Manual / Driver Controls :: Defogger / Dtc/circuit Diagnosis :: Wiper Deicer Relay

Component Function Check

CHECK WIPER DEICER RELAY POWER SUPPLY CIRCUIT

CONSULT

  1. Ignition switch ON.

  2. Select "Front window defogger (passenger side)" and "Front window defogger (driver side)" in "Active test" mode of "BCM".

  3. Select “On”.

  4. Check that the front window heating wire is getting warmer.

Is the inspection result normal?

YES>>

Wiper deicer relay power supply circuit function is OK.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK WIPER DEICER CIRCUIT

  1. Ignition switch ON.

  2. Check voltage between wiper deicer relay harness connector and ground.

    (+) (–) Condition

    Voltage

    (Approx.)
    Wiper deicer relay
    Connector Terminal
    E54 7 Ground Rear window defogger switch: ON Battery voltage
    Rear window defogger switch: OFF 0 V

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 2.

CHECK WIPER DEICER CIRCUIT 2

  1. Ignition switch OFF.

  2. Disconnect wiper deicer relay and fuse block (J/B) connector.

  3. Check continuity between wiper deicer relay terminal connector and fuse block (J/B) harness connector.

    Wiper deicer relay Fuse block (J/B) Continuity
    Connector Terminal Connector Terminal
    E54 8 B32 5Q Yes

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness.

CHECK WIPER DEICER RELAY GROUND CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect wiper deicer relay connector.

  3. Check continuity between wiper deicer relay terminal connector and ground.

Wiper deicer relay — Continuity
Connector Terminal
E54 9 Ground Yes

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness.

CHECK WIPER DEICER RELAY

Check wiper deicer relay.

Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace wiper deicer relay.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Refer to Intermittent Incident.

>>

Inspection End.

Component Inspection

CHECK WIPER DEICER RELAY

  1. Ignition switch OFF.

  2. Disconnect wiper deicer relay.

  3. Check continuity between wiper deicer relay terminals.

Wiper deicer relay Condition Continuity
Terminal
6 7 12 V direct current supply between terminals 8 and 9. Yes
No current supply No

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace wiper deicer relay.

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