Nissan Altima (L32) 2007-2012 Service Manual: Satellite radio tuner
Description
Communication signals are exchanged between the audio unit and satellite radio tuner using the communication circuits.
Diagnosis Procedure
1.CHECK HARNESS - 1
. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B57 and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed) harness connector B57 (A) terminal 28 and audio unit harness connector M45 (B) terminal 38.
4. Check continuity between satellite radio tuner (factory installed) harness connector B57 (A) terminal 28 and ground.
Are continuity results as specified? YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK HARNESS - 2
1. Check continuity between satellite radio tuner (factory installed) harness connector B57 (A) terminal 29 and audio unit harness connector M45 (B) terminal 39.
2. Check continuity between satellite radio tuner (factory installed) harness connector B57 (A) terminal 29 and ground.
Are continuity results as specified? YES >> GO TO 3
NO >> Repair harness or connector.
3.CHECK HARNESS - 3
1. Check continuity between satellite radio tuner (factory installed) harness connector B57 (A) terminal 30 and audio unit harness connector M45 (B) terminal 40.
2. Check continuity between satellite radio tuner (factory installed) harness connector B57 (A) terminal 30 and ground.
Are continuity results as specified? YES >> GO TO 4
NO >> Repair harness or connector.
4.CHECK REQ1 SIGNAL
1. Connect satellite radio tuner (factory installed) connector and audio unit connector.
2. Turn ignition switch to ACC
3. Check signal between satellite radio tuner (factory installed) harness connector B57 terminal 28 and ground with CONSULT-III or oscilloscope.
Are voltage readings as specified? YES >> GO TO 5
NO >> Replace audio unit. Refer to AV-215, "Removal and Installation".
5.CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness connector B57 terminal 29 and ground with CONSULT-III or oscilloscope.
Are the voltage readings as specified? YES >> GO TO 6
NO >> Replace satellite radio tuner. Refer to AV-223, "Removal and Installation - Coupe".
6.CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness connector B57 terminal 30 and ground with CONSULT-III or oscilloscope.
Are the voltage readings as specified? YES >> Replace satellite radio tuner. Refer to AV-223, "Removal and Installation - Coupe".
NO >> Replace audio unit. Refer to AV-215, "Removal and Installation".
Communication signal circuit (sedan) satellite radio tuner
Description
Communication signals are exchanged between the audio unit and satellite
radio tuner using the communication
circuits.
Diagnosis Procedure
1.CHECK HARNESS - 1
1. Turn ig ...
Other materials:
P0448 Evap canister vent control valve
Description
The EVAP canister vent control valve is located on the EVAP canister
and is used to seal the canister vent.
This solenoid valve responds to signals from the ECM. When the
ECM sends an ON signal, the coil in the solenoid valve is energized.
A plunger will then move to seal the ca ...
Body side trim
Exploded View
1. Front pillar finisher
2. Front body side welt
3. Front kicking plate
4. Front sill cover
5. Rear lower finisher
6. Upper pillar finisher
7. Rear pillar finisher
Removal and Installation
CAUTION:
• Wrap the tip of flat-bladed screwdriver with a cloth when removing ...
P0603 ECM Power supply
Description
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air-fuel ratio feedback compensation value memory, the idle air volume
learning value memory, etc.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMAT ...
