Nissan Sentra Service Manual: 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 (lighting and turn signal switch)
Check the combination switch (lighting and turn signal switch). Refer to BCS-72, "Symptom Table" (with Intelligent Key system) or BCS-125, "Symptom Table" (without Intelligent Key system).
Is the inspection result normal? YES >> GO TO 2
No >> repair or replace the malfunctioning part
2.Check headlamp (lo) request signal input
Consult data monitor
- Select hl lo req of ipdm e/r data monitor item.
- While operating the lighting switch, check the monitor status.
Is the inspection result normal? Yes >> go to 3
No >> replace bcm. Refer to bcs-73, "removal and installation" (with intelligent key system) or bcs- 126, "removal and installation" (without intelligent key system).
3.Headlamp (lo) circuit inspection
Check the headlamp (lo) circuit. Refer to exl-90, "diagnosis procedure".
Is the inspection result normal? Yes >> replace ipdm e/r. Refer to pcs-30, "removal and installation" (with intelligent key system) or pcs-58, "removal and installation" (without intelligent key system).
No >> repair or replace the malfunctioning part.
Daytime light system inoperative
Description
The daytime light system is inoperative even though the combination switch
(lighting and turn signal switch)
and parking brake switch are in the normal setting, also whenever engine is ...
Parking, license plate and tail
lamps are not turned on
Description
The parking, license plate and tail lamps do not turn on in with any lighting
switch setting.
Diagnosis procedure
1.Combination switch (lighting and turn signal switch) inspection
Ch ...
Other materials:
Additional service when removing battery negative terminal
Description
When the battery negative terminal is disconnected, the initialization is
necessary for normal operation of
power window system.
CAUTION:
The following specified operations can not be performed under the
non-initialized condition.
Auto-up operation
Anti-pinch function
Wo ...
Basic inspection
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs).
Check operation condition of the function th ...
P0139 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time
between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen
storage capacity of the three way catalyst 1 causes the longer
switching time. To judge the malfunctions of heated oxygen sensor
2, ...
