Nissan Altima (L32) 2007-2012 Service Manual: Camera image signal circuit (camera control unit to av control unit)
Description
Rear view camera image signals are transmitted from the rear view camera control unit to the AV control unit using the image signal circuits.
Diagnosis Procedure
1.CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector B31 and AV control unit connector M46.
3. Check continuity between rear view camera control unit harness connector B31 (A) terminals 11, 12 and AV control unit harness connector M46 (B) terminals 34, 55.
4. Check continuity between rear view camera control unit harness connector B31 (A) terminals 11, 12 and ground.
Is inspection result OK? YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK CAMERA IMAGE SIGNAL
1. Connect rear view camera control unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between rear view camera control unit harness connector B31 terminals 12 and 11.
Is inspection result OK? YES >> Replace AV control unit. Refer to AV-437, "Removal and Installation".
NO >> Replace rear view camera control unit. For coupe, refer to AV-458, "Removal and Installation - Coupe". For sedan, refer to AV-458, "Removal and Installation - Sedan".
Camera on signal circuit (sedan)
Description
When the selector lever is placed in the R position, the rear view camera
control unit sends a camera ON signal
to the rear view camera.
Diagnosis Procedure
1.CHECK CAMERA ON SIGNAL ...
Reverse signal circuit
Description
A reverse signal is supplied from the back-up lamp relay to the rear view
camera control unit. When this signal
is received, the display shows a view to the rear of the vehicle.
Diag ...
Other materials:
ECM branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
- ECM
- Harnes ...
Intake valve timing control
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM through CAN communication line
SYSTEM DESCRIPTION
This mechanism hydraulically controls cam phases continuously with the fixed
operating angle of the intake
valve.
The ECM receives signals su ...
P0443 Evap canister purge volume control solenoid valve
Description
The EVAP canister purge volume control solenoid valve is used to
control the flow rate of fuel vapor from the EVAP canister. The EVAP
canister purge volume control solenoid valve is moved by ON/OFF
pulses from the ECM. The longer the ON pulse, the greater the
amount of fuel vapor th ...
