Nissan Juke Service and Repair Manual : Microphone signal circuit
Description
Power is supplied from NAVI control unit to microphone. The microphone transmits the sound voice to the NAVI control unit.
Diagnosis Procedure
1.CHECK CONTINUITY BETWEEN NAVI CONTROL UNIT AND MICROPHONE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and microphone connector.
3. Check continuity between NAVI control unit harness connector and microphone harness connector.
4. Check continuity between NAVI control unit harness connector and ground.
Is inspection result OK? YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VOLTAGE MICROPHONE VCC
1. Connect NAVI control unit connector.
2. Turn ignition switch ON.
3. Check voltage between NAVI control unit harness connector and ground.
Is inspection result OK? YES >> GO TO 3.
NO >> Replace NAVI control unit. Refer to AV-84, "Removal and Installation".
3.CHECK MICROPHONE SIGNAL
1. Turn ignition switch OFF.
2. Connect microphone connector.
3. Turn ignition switch ON.
4. Check signal between NAVI control unit harness connector.
Is inspection result OK? YES >> Replace NAVI control unit. Refer to AV-84, "Removal and Installation".
NO >> Replace microphone. Refer to AV-90, "Removal and Installation".
Power supply and ground circuit
Navi control unit
NAVI CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.
Is inspection result OK?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunc ...
Camera image signal circuit
Description
• The NAVI control unit supplies power to the rear view camera when receiving
a reverse signal.
• The rear view camera transmits camera images to the NAVI control unit when
power is ...
Other materials:
Engine compartment
CAUTION
Never use a fuse of a higher or lower amperage rating than that specified
on the fuse box cover. This could damage the electrical system or cause a fire.
If any electrical equipment does not operate, check for an open fuse.
1. Be sure the ignition switch and the headlight switch are t ...
P0137 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time
between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen
storage capacity of the three way catalyst (manifold) causes the
longer switching time. To judge the malfunctions of heated oxygen
...
ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the ECM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES &g ...
