Nissan Murano: 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.
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...
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:
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B2720–60
CORNER SENSOR [RL]
(Rear sonar sensor LH outer)
—
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (reset error)
Diagnosis delay time
—
B2720–61
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (configuration error)
Diagnosis delay time
—
B2720–62
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (power supply error)
Diagnosis delay time
—
B2720–63
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (self diag result)
Diagnosis delay time
—
B2720–65
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (over temperature)
Diagnosis delay time
—
B2720–66
Diagnosis condition
When ignition switch is ON
Signal (terminal)
Rear sonar sensor LH outer signal (terminal 22)
Threshold
Rear sonar sensor LH outer signal circuit is open or short to ground
Diagnosis delay time
—
B2720–67
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (diag dump error)
Diagnosis delay time
—
B2720–68
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (resonator error)
Diagnosis delay time
—
B2720–83
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (CRC error)
Diagnosis delay time
—
B2720–92
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (membrane error)
Diagnosis delay time
—
POSSIBLE CAUSE
Harness or connectors
Rear sonar sensor LH outer
FAIL-SAFE
Obstacle detection of rear sonar sensor LH outer is stopped
Audible warning (sonar buzzer) of all sensors is stopped
Sonar buzzer sounds for 3 seconds
DTC Confirmation Procedure
DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name Description
KV40107300
(J-51751)
Boot band crimping tool
Installing boot band
KV38107900
(J–52469–1)
Differential side oil seal protector
Installing drive shaft
A: 32 mm (1...