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".
Rear view camera image signal circuit
Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK REVERSE INPUT SIGNAL 1. Turn ignition switch ON. 2. Shift the selector lever to R (reverse ...
Steering switch
Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE 1. Turn ignition switch OFF. 2. Disconnect ...
Other materials:
Variable voltage control system (if so equipped)
CAUTION
Do not ground accessories directly to
the battery terminal. Doing so will bypass
the variable voltage control system
and the vehicle battery may not
charge completely.
Use electrical accessories with the engine
running to avoid discharging the
vehicle battery.
Your v ...
P074A Unable to engage 2GR
Description
This malfunction is detected when the A/T does not shift into 2GR position as
instructed by TCM. This is not
only caused by electrical malfunction (circuits open or shorted) but by
mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC ...
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