Nissan Versa (N17): Microphone signal circuit
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M71 and microphone connector R15.
3. Check continuity between AV control unit connector M71 and microphone
connector R15.
4. Check continuity between AV control unit connector M71 and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2.CHECK MICROPHONE VCC VOLTAGE
1. Connect AV control unit connector M71.
2. Turn ignition switch ON.
3. Check voltage between terminals of AV control unit connector M71.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace AV control unit. Refer to AV "Removal and Installation".
3.CHECK MICROPHONE SIGNAL
1. Connect microphone connector.
2. Check signal between terminals of AV control unit connector M71.
Is the inspection result normal?
YES >> Replace AV control unit. Refer to AV "Removal and Installation".
NO >> Replace microphone. Refer to AV "Removal and Installation".
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Other materials:
Description
Engine Cooling System
M/T models
CVT and A/T models
Engine Cooling System Schematic
M/T models
CVT and A/T models
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
Symptom
Check items
Cooling system
parts
malfunction
Poor heat transfer
...
CVT Control system
Symptom Table
The diagnosis item number indicates the order of check. Start checking in the
order from 1.
Symptom diagnosis chart 1-1
Symptom diagnosis chart 1-2
Symptom diagnosis chart 2-1
Symptom diagnosis chart 2-2
PERIODIC MAINTENANCE ...
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