Nissan Altima 2007-2012 Service Manual: Rear window defogger power supply and ground circuit
Description
Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up.
Component Function Check
1. CHECK REAR WINDOW DEFOGGER
Check that the heating wire of rear window defogger is heated when turning the rear window defogger switch ON.
Is the inspection result normal? YES >> Rear window defogger is OK.
NO >> Refer to DEF-13, "Diagnosis Procedure".
Diagnosis Procedure
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between rear window defogger connector and ground.
Is the inspection result normal? YES >> GO TO 2
NO >> GO TO 3
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear window defogger.
3. Check continuity between rear window defogger connector and ground.
Is the inspection result normal? YES >> GO TO 5
NO >> Repair or replace harness.
3. CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect condenser and rear window defogger.
3. Check continuity between condenser connector (A) and rear window defogger connector (B).
Is the inspection result normal? YES >> GO TO 4
NO >> Replace condenser. Refer to DEF-66, "Removal and Installation - Coupe" or DEF-66, "Removal and Installation - Sedan".
4. CHECK HARNESS CONTINUITY 2
1. Disconnect fuse block (J/B).
2. Check continuity between fuse block (J/B) connector (A) and condenser connector (B).
Is the inspection result normal? YES >> GO TO 6
NO >> Replace or repair harness.
5. CHECK FILAMENT
Check filament.
Refer to DEF-14, "Component Inspection".
Is the inspection result normal? YES >> Refer to GI-42, "Intermittent Incident".
NO >> Repair filament. Refer to DEF-64, "Inspection and Repair".
6. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? YES >> Check the following.
• Battery power supply circuit.
• Fuse block (J/B).
NO >> Repair or replace the malfunctioning parts.
Component Inspection
1. CHECK FILAMENT
Check the filament for damage or open circuits.
Refer to DEF-64, "Inspection and Repair".
Is the inspection result normal? YES >> Inspection End.
NO >> Repair filament. Refer to DEF-64, "Inspection and Repair".
Rear window defogger relay
Description
Power is supplied to the rear window defogger with BCM control.
Component Function Check
1. CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
Check that an operation noise of rear ...
Driver side door mirror defogger
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the door mirror
from fogging up.
Component Function Check
1. CHECK DOOR MIRROR DEFOGGER ...
Other materials:
Satellite radio antenna
Removal and Installation
REMOVAL
1. Lower the headliner at the rear. Refer to INT-20, "Removal and
Installation" (coupe) and INT-42,
"Removal and Installation" (sedan).
2. Remove the satellite radio antenna nut (A), then disconnect the
satellite radio antenna connector ( ...
Intermittents incident
Inspection Procedure
INTERMITTENT TROUBLE
An intermittent incident may have occured in the past but is not being
detected currently. This DTC will not be
detected on SELF DIAG [CURRENT], but may be viewed on SELF DIAG [PAST] using
CONSULT-III.
Trouble Diagnosis with CONSULT-III
DIAGNOSTIC P ...
Headlamp (xenon)
Wiring Diagram - Coupe
Wiring Diagram - Sedan
...