Description
ECM supplies a voltage of 5 V to some of the sensors systematically divided into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the short-circuited sensor.
Sensor power supply 1
NOTE: If sensor power supply 1 circuit is malfunctioning, DTC P0643 is displayed.
Sensor power supply 2
Diagnosis Procedure
1.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-1

Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-2

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair open circuit.
3.CHECK SENSOR POWER SUPPLY 2 CIRCUIT

Is the inspection result normal? YES >> GO TO 4.
NO >> Repair short to ground or short to power in harness or connectors.
4.CHECK COMPONENTS
Check the following.
Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".
NO >> Replace malfunctioning component.
Refrigerant pressure sensorOwner’s Manual/Service Manual order information
Genuine NISSAN Service Manuals for this model
year and prior can be purchased. A genuine
NISSAN Service Manual is the best source of
service and repair information for your vehicle.
This manual is the same one used by the factorytrained
technicians working at NISSAN dealerships.
Genuine NI ...
Symptom diagnosis
MULTI AV SYSTEM
Symptom Table
RELATED TO AUDIO
Symptoms
Check items
Probable malfunction location
The disk cannot be removed.
AV control unit
Malfunction in AV control unit.
Refer to AV-91, "On Board Diagnosis Function".
No sound comes ...
Connector Information
HOW TO USE CONNECTOR INFORMATION
Description
Number
Item
Description
1
Connector number
Alphabetic characters show to which harness the connector is
placed.
Numeric characters show the identification number of
connectors.
...