Nissan Murano: Defogger :: Symptom Diagnosis / Rear Window Defogger Switch Does Not Light, but Rear Window Defogger Operates
Diagnosis Procedure
CHECK A/C SWITCH ASSEMBLY (REAR WINDOW DEFOGGER SWITCH)
Check that A/C switch assembly (rear window defogger switch) is operating normally.
Is the inspection result normal?
YES>>
Check intermittent incident. Refer to Intermittent Incident.
NO>>
Check rear window defogger switch. Refer to Diagnosis Procedure.
Diagnosis Procedure
CHECK DOOR MIRROR DEFOGGER FUSE
Check if the following fuse in fuse block (J/B) is blown:
Component Fuse No. Capacity
Fuse block (J/B)
22
10 A
Is the inspection result normal?
YES>>
GO TO 2...
Other information:
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
U1507-87
LOST COMM(SIDE RDR R)
[Lost communication (Side radar right)]
Diagnosis condition
When engine is running
When Blind Spot Warning system is ON
Signal (terminal)
ITS communication signal
Threshold
ADAS control unit cannot receive ITS communication signal from side radar RH
Diagnosis delay time
2 seconds or more
POSSIBLE CAUSE
Side radar RH right/left switching signal circuit
ITS communication system
Side radar RH
FAIL-SAFEThe following systems are canceled:
Blind Spot Warning (BSW)
Rear Cross Traffic Alert (RCTA)
Confirmation Procedure
DTC CONFIRMATION PROCEDURECHECK DTC PRIORITY
If DTC “U1507-87” is displayed with DTC “U1000–01”, first diagnose the DTC “U1000–01”...
Diagnosis Procedure
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
Ignition switch OFF.
Disconnect combination switch connector.
Check resistance between the terminals of combination switch connector.
Combination switch Condition
Resistance (Ω)
(Approx...