Av control unit
Av control unit : diagnosis procedure
Regarding Wiring Diagram information, refer to AV-234, "Wiring Diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown? Yes >> replace the blown fuse after repairing the affected circuit.
No >> go to 2.
2.Check power supply circuit
Is the inspection result normal? Yes >> go to 3.
No >> repair or replace harness or connectors.
3.Check ground circuit
Is the inspection result normal? Yes >> inspection end.
No >> repair or replace harness or connectors.
Front door speaker
Diagnosis Procedure
Regarding wiring diagram information, refer to av-234, "wiring diagram".
1.Connector check
Check the av control unit and speaker connectors for the following:
Is the inspection result normal? Yes >> go to 2
No >> repair the terminals or connectors.
2.Check front door speaker signal circuit continuity
Is the inspection result normal? Yes >> go to 3 no >> repair or replace harness or connectors.
3.Check front door speaker signal
Is the inspection result normal? Yes >> replace front door speaker. Refer to av-300, "removal and installation".
No >> replace av control unit. Refer to av-298, "removal and installation".
Front tweeter
Diagnosis procedure
Regarding wiring diagram information, refer to av-234, "wiring diagram".
1.Connector check
Check the AV control unit and speaker connectors for the following:
Is the inspection result normal? Yes >> go to 2
No >> repair the terminals or connectors.
2.Check front tweeter signal circuit continuity
Is the inspection result normal? Yes >> go to 3
NO >> Repair or replace harness or connectors.
3.Check front tweeter signal
Is the inspection result normal? Yes >> replace front tweeter. Refer to av-299, "removal and installation".
No >> replace av control unit. Refer to av-298, "removal and installation".
Rear speaker
Diagnosis procedure
Regarding wiring diagram information, refer to av-234, "wiring diagram".
1.Connector check
Check the av control unit and speaker connectors for the following:
Is the inspection result normal? Yes >> go to 2
No >> repair the terminals or connectors.
2.Check rear speaker signal circuit continuity
Is the inspection result normal? YES >> GO TO 3
NO >> Repair or replace harness or connectors.
3.Check rear speaker signal
Is the inspection result normal? Yes >> replace rear speaker. Refer to av-301, "removal and installation".
No >> replace av control unit. Refer to av-298, "removal and installation".
Rear view camera image signal circuit
Diagnosis procedure
Regarding wiring diagram information, refer to av-234, "wiring diagram".
1.Check reverse input signal
Is inspection result normal? Yes >> go to 2.
No >> repair or replace harness or connectors.
2.Check camera power supply circuit continuity
vIs inspection result normal? Yes >> go to 3.
No >> repair or replace harness or connectors.
3.Check camera power supply voltage
Is inspection result normal? YES >> GO TO 4.
NO >> Replace AV control unit. Refer to AV-298, "Removal and Installation".
4.Check camera image signal circuit continuity
Is inspection result normal? Yes >> go to 5.
No >> repair or replace harness or connectors.
5.Check camera ground circuit continuity
Check continuity between av control unit connector m104 and rear view camera connector b30.
Is inspection result normal? Yes >> go to 6.
No >> repair or replace harness or connectors.
6.Check camera image signal
Is inspection result normal? YES >> Replace AV control unit. Refer to AV-298, "Removal and Installation".
NO >> Replace rear view camera. Refer to AV-312, "Removal and Installation".
Microphone signal circuit
Diagnosis procedure
Regarding wiring diagram information, refer to av-234, "wiring diagram".
1.Check microphone signal circuit continuity
Is inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2.Check microphone vcc voltage
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace AV control unit. Refer to AV-298, "Removal and Installation".
3.Check microphone signal
Is the inspection result normal? Yes >> replace av control unit. Refer to av-298, "removal and installation".
No >> replace microphone. Refer to av-311, "removal and installation".
Steering switch
Diagnosis procedure
Regarding wiring diagram information, refer to av-234, "wiring diagram".
1.Check steering wheel audio control switch resistance
Is the inspection result normal? Yes >> go to 2.
No >> replace steering switches. Refer to av-302, "removal and installation".
2.Check combination switch (spiral cable)
Check continuity between combination switch (spiral cable) connectors M79 and M80.
Is the inspection result normal? Yes >> go to 3.
No >> replace combination switch (spiral cable). Refer to sr-16, "removal and installation".
3.Check harness between combination switch (spiral cable) and av control unit
Is the inspection result normal? YES >> Replace AV control unit. Refer to AV-298, "Removal and Installation".
NO >> Repair or replace harness or connectors.
Usb connector
Diagnosis procedure
Regarding wiring diagram information, refer to av-234, "wiring diagram".
1.Check usb interface harness continuity
Is the inspection result normal? Yes >> replace the usb interface. Refer to av-307, "removal and installation".
No >> repair or replace harness or connectors.
Auxiliary input jack
Diagnosis procedure
Regarding wiring diagram information, refer to av-234, "wiring diagram".
1.Check aux jack harness continuity
Is the inspection result normal? Yes >> replace the aux jack. Refer to av-307, "removal and installation".
No >> repair or replace harness or connectors.
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...
Diagnosis system (ECM)
Diagnosis description : 1st trip detection
logic and two trip detection logic
When a malfunction is detected for the first time, 1st trip DTC and 1st trip
Freeze Frame data are stored in the
ECM memory. The MIL will not illuminate at this stage. <1st trip>
If the same malfunction is dete ...
Tire dressings
NISSAN does not recommend the use of tire
dressings. Tire manufacturers apply a coating to
the tires to help reduce discoloration of the rubber.
If a tire dressing is applied to the tires, it may
react with the coating and form a compound. This
compound may come off the tire while driving and ...