Nissan Altima 2007-2012 Service Manual: U124C CD changer
Description
Refer to AV-240, "System Description".
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK CD CHANGER POWER SUPPLY AND GROUND CIRCUIT
Check CD changer power supply and ground circuit. Refer to AV-318, "CD CHANGER : Diagnosis Procedure".
Do power and ground check OK? YES >> GO TO 2
NO >> Repair power supply or ground circuit.
2.CHECK COMMUNICATION CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect CD changer connector M42 and AV control unit connector M48.
3. Check continuity between CD changer harness connector M42 (A) terminals 8, 9 and 10 and AV control unit harness connector M48 (B) terminals 69, 70 and 72.
4. Check continuity between CD changer harness connector M42 (A) terminals 8, 9, 10 and ground.
Are the continuity test results as specified? YES >> GO TO 3
NO >> Repair harness or connector.
3.CHECK REQUEST SIGNAL
1. Connect CD changer connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between CD changer harness connector M42 terminal 8 and ground.
Are the voltage readings as specified? YES >> GO TO 4
NO >> Replace CD changer. Refer to AV-439, "Removal and Installation".
4.CHECK COMMUNICATION SIGNAL
Check signal between CD changer harness connector M42 terminal 9 and ground.
Are the voltage readings as specified? YES >> GO TO 5
NO >> Replace CD changer. Refer to AV-439, "Removal and Installation".
5.CHECK COMMUNICATION SIGNAL
Check signal between CD changer harness connector M42 terminal 10 and ground.
Are the voltage readings as specified? YES >> Inspection End.
NO >> Replace AV control unit. Refer to AV-437, "Removal and Installation".
U1244 GPS antenna
Description
Refer to AV-240, "System Description".
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.GPS ANTENNA CHECK
Inspect GPS antenna and antenna feeder for damage or po ...
Other materials:
U1212 DVD-ROM data forward
Description
Refer to AV-240, "System Description".
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK DVD-ROM
Check DVD-ROM for dirt, scratches and warpage.
Is the DVD-ROM clean and undamaged?
YES >> Replace AV control unit. Refer to AV-437, "Removal and ...
Function diagnosis
LUBRICATION SYSTEM
Lubrication Circuit
Schematic
1. Oil pan
2. Oil strainer
3. Oil pump
4. Regulator valve
5. Oil filter
6. Relief valve (Built in oil filter)
7. Oil cooler
8. Bypass
9. Main gallery
10. Main bearing
11. Timing chain and balancer unit timing
chain oil jet
12. Conne ...
DLC 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 terminals and connectors of the data link connector for damage,
bend and loose connection
(connector side and harness side) ...