Nissan Altima (L32) 2007-2012 Service Manual: Microphone
Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
Is proper voltage present? YES >> GO TO 4
NO >> GO TO 2
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect microphone and AV control unit harness connectors.
3. Check continuity between microphone harness connector R7 (A) terminal 4 and AV control unit harness connector M46 (B) terminal 46.
4. Check continuity between microphone harness connector R7 (A) terminal 4 and ground.
Are the continuity test results as specified? YES >> GO TO 3
NO >> Repair harness or connector.
3.CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1. Connect AV control unit harness connector.
2. Turn ignition switch to ACC.
3. Check voltage between AV control unit harness connector and ground.
1. Connect AV control unit harness connector.
2. Turn ignition switch to ACC.
3. Check voltage between AV control unit harness connector and ground.
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect microphone harness connector R7 and AV control unit harness connector M46.
3. Check continuity between microphone harness connector R7 (A) terminal 2 and AV control unit harness connector M46 (B) terminal 47.
Does continuity exist? YES >> Inspection End.
NO >> Repair harness or connector.
CD changer
Diagnosis Procedure 1.CHECK FUSE Check that the following fuses of the CD changer are not blown. Are the fuses OK? YES >> GO TO 2 NO >> Be sure to eliminate cause of malfunction bef ...Other materials:
P0453 evap control system pressure
sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously cond ...
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Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
Wiring Diagram — Coupe
Wiring Diagram — Sedan
...
P0453 Evap control system pressure sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously condu ...