Nissan Rogue (T33) 2021-Present Service Manual: B24f4-14 Heated Steering Wheel Relay

Nissan Rogue (T33) 2021-Present Service Manual / Ventilation, Heater & Air Conditioner :: Heater & Air Conditioning Control System / Automatic Air Conditioning :: Dtc/circuit Diagnosis / B24f4-14 Heated Steering Wheel Relay

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B24F4-14

Heated steering wheel relay

(Heated steering wheel relay) 		Diagnosis condition Ignition switch ON
Signal (Terminal) Heated steering wheel relay control circuit
Threshold Open or short to ground
Diagnosis delay time —

POSSIBLE CAUSE

  • Heated steering wheel relay

  • A/C amp.

  • Harness or connectors (heated steering wheel relay control circuit is open or shorted to ground)

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Select “Self diagnosis result” mode of “HVAC”.

  3. Check DTC.

Is DTC detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK FUSE

  1. Ignition switch OFF.

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

Unit Location Fuse No. Capacity
Heated steering wheel relay Fuse block (J/B) #40 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 HEATED STEERING WHEEL RELAY CONTROL SIGNAL CIRCUIT

  1. Disconnect A/C amp. connector.

  2. Ignition switch ON.

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

    (+) (−) Voltage
    A/C amp.
    Connector Terminal
    M55 56 Ground Battery voltage

Is the inspection result normal?

YES>>

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

NO>>

GO TO 3.

CHECK HEATED STEERING WHEEL RELAY POWER SUPPLY CIRCUIT FOR OPEN

  1. Ignition switch OFF.

  2. Remove heated steering wheel relay and disconnect fuse block (J/B) connector.

  3. Check continuity between heated steering wheel relay harness connector and fuse block (J/B) harness connector.

    Heated steering wheel relay Fuse block (J/B) Continuity
    Connector Terminal Connector Terminal
    M95 1 M68 12F Yes

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair harness or connector.

CHECK HEATED STEERING WHEEL RELAY CONTROL SIGNAL CIRCUIT FOR OPEN

Check continuity between heated steering wheel relay harness connector and A/C amp. harness connector.

Heated steering wheel relay A/C amp. Continuity
Connector Terminal Connector Terminal
M95 2 M55 56 Yes

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair harness or connector.

CHECK HEATED STEERING WHEEL RELAY CONTROL SIGNAL CIRCUIT FOR SHORT

Check continuity between A/C amp. harness connector and ground.

A/C amp. (—) Continuity
Connector Terminal
M55 56 Ground No

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair harness or connector.

CHECK HEATED STEERING WHEEL RELAY

Check heated steering wheel relay. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace heated steering wheel relay.

Component Inspection

CHECK HEATED STEERING WHEEL RELAY

  1. Ignition switch OFF.

  2. Remove heated steering wheel relay.

  3. Check continuity between heated steering wheel relay terminal 3 and 5 when the voltage is supplied between terminal 1 and 2.

    Terminal Condition Continuity
    3 5 Battery voltage Apply Yes
    Not apply No

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace heated steering wheel relay.

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