Nissan Murano: Defogger :: Symptom Diagnosis / Rear Window Defogger and Door Mirror Defoggers Do Not Operate

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Controls / Defogger :: Symptom Diagnosis / Rear Window Defogger and Door Mirror Defoggers Do Not Operate

Diagnosis Procedure

CHECK REAR WINDOW DEFOGGER SWITCH

Check rear window defogger switch.

Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace the malfunctioning parts.

CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay.

Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

Check rear window defogger power supply and ground circuit.

Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

CHECK DOOR MIRROR DEFOGGER

Check door mirror defogger.

Refer to Diagnosis Procedure (LH) or Diagnosis Procedure (RH).

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Repair or replace the malfunctioning parts.

    Defogger System Symptoms

    Symptom Table Symptom Reference page Rear window defogger and door mirror defoggers do not operate. Refer to Diagnosis Procedure. Rear window defogger does not operate but both of the door mirror defoggers operate...

    Rear Window Defogger Does Not Operate but Both Door Mirror Defoggers Operate

    Diagnosis Procedure CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT Check rear window defogger power supply and ground circuit. Refer to Component Function Check...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: C1b56-97 Sonar Circuit


    DTC Description DTC DETECTION LOGIC DTC No. (On board display) CONSULT screen items (Trouble diagnosis content) DTC detection condition C1B56-97 SONAR CIRCUIT (Sonar circuit) Diagnosis condition When engine is running Signal (terminal) — Threshold ADAS control unit detects that rear sonar control unit circuit has a malfunction...

    Nissan Murano (Z52) 2015-2024 Service Manual: Ecu Diagnosis Information. 3ch Can Gateway


    Reference Value TERMINAL LAYOUTPHYSICAL VALUES Terminal No. (Wire color) Description Condition Standard Reference value + – Signal name Input/ Output 1 (L) — Nissan Murano Vehicle CAN communication-H Input/ Output — — — 2 (P) — Nissan Murano Vehicle CAN communication-L Input/ Output — — — 3 (L) — Diagnostic CAN communication-H Input/ Output — — — 4 (P) — Diagnostic CAN communication-L Input/ Output — — — 5 (BG) 6 (B) 7 (B) Ignition power supply Input Ignition switch ON 7 – 16 V Battery voltage 8 (BG) 6 (B) 7 (B) Battery power supply Input Ignition switch OFF 6 – 16 V Battery voltage 9 (L) — IT CAN communication-H — — — — 10 (P) — IT CAN communication-L — — — — 11 (L) — Diagnostic CAN communication-H Input/ Output — — — 12 (P) — Diagnostic CAN communication-L Input/ Output — — — 13 (L) — IT CAN communication-H — — — — 14 (P) — IT CAN communication-L — — — — DTC Inspection Priority Chart If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart...

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