Nissan Altima 2007-2012 Service Manual: Both side headlamps do not switch to high beam
Description
The headlamps (both sides) do not switch to high beam when the lighting switch is in the HI or PASS setting.
Diagnosis Procedure
1.COMBINATION SWITCH INSPECTION
Check the combination switch. Refer to BCS-10, "System Description".
Is the combination switch normal? YES >> GO TO 2
NO >> Repair or replace the malfunctioning part.
2.CHECK HEADLAMP (HI) REQUEST SIGNAL INPUT
1. Select "HL HI REQ" of IPDM E/R DATA MONITOR item.
2. With operating the lighting switch, check the monitor status.
Is the item status normal? YES >> GO TO 3
NO >> Replace BCM. Refer to BCS-96, "Removal and Installation" .
3.HEADLAMP (HI) CIRCUIT INSPECTION
Check the headlamp (HI) circuit. Refer to EXL-40, "Description".
Is the headlamp (HI) circuit normal? YES >> Replace IPDM E/R. Refer to PCS-48, "Removal and Installation" .
NO >> Repair or replace the malfunctioning part.
Normal operating condition
Description
XENON HEADLAMP
• The brightness and color of the light may vary slightly immediately after
turning the headlamp ON. This condition
will remain until the xenon bulb becomes stable. T ...
Both side headlamps (LO) are not
turned on
Description
The headlamps (both sides) do not turn ON in any lighting switch setting.
Diagnosis Procedure
1.CHECK COMBINATION SWITCH
Check the combination switch. Refer to BCS-10, "System De ...
Other materials:
Bluetooth control unit
Diagnosis Procedure
1.CHECK FUSE
Check that the following fuses of the Bluetooth control unit are not blown.
Are the fuses OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between Bluetooth ...
Front tweeter (coupe)
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the front tweeters using the audio signal
circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B122 and suspe ...
P0101 maf sensor
Description
The mass air flow sensor (1) is placed in the stream of intake air. It
measures the intake flow rate by measuring a part of the entire
intake flow. The mass air flow sensor controls the temperature of the
hot wire to a certain amount. The heat generated by the hot wire is
reduced as ...