Nissan Sentra Service Manual: Electrical load signal
Description
The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication line.
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
With CONSULT
- Turn ignition switch ON.
- Select “DATA MONITOR” mode of “ENGINE” using CONSULT.
- Select “LOAD SIGNAL” and check indication as per the following conditions.
Is the inspection result normal? YES >> GO TO 2.
NO >> Proceed to EC-461, "Diagnosis Procedure".
2.CHECK LIGHTING SWITCH FUNCTION
With CONSULT
Check “LOAD SIGNAL” indication as per the following conditions.
Is the inspection result normal? YES >> GO TO 3.
NO >> Proceed to EC-461, "Diagnosis Procedure".
3.CHECK HEATER FAN CONTROL SWITCH FUNCTION
With CONSULT
Select “HEATER FAN SW” and check indication as per the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-461, "Diagnosis Procedure".
Diagnosis Procedure
1.INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to EC-461, "Component Function Check".
Which circuit is related to the incident? Rear window defogger>>GO TO 2.
Headlamp>>GO TO 3.
Heater fan>>GO TO 4.
2.CHECK REAR WINDOW DEFOGGER SYSTEM
Check the rear window defogger system. Refer to DEF-27, "Work Flow".
>> INSPECTION END
3.CHECK HEADLAMP SYSTEM
Check the headlamp system. Refer to EXL-85, "Work Flow".
>> INSPECTION END
4.CHECK HEATER FAN CONTROL SYSTEM
Check the heater fan control system. Refer to HA-15, "Workflow".
>> INSPECTION END
Ignition signal
Component Function Check
1.INSPECTION START
Turn ignition switch OFF.
Start engine.
Does the engine start?
YES >> GO TO 2.
NO >> Proceed to EC-456, "Diagnosis Procedure& ...
Cooling fan
Component Function Check
1.CHECK COOLING FAN FUNCTION
With CONSULT
Turn ignition switch ON.
Perform “FAN” in “ACTIVE TEST” mode of “ENGINE” using CONSULT
Check ...
Other materials:
Av branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the av control unit for damage,
bend and loose connection (unit
side and connector side).
Is the inspection result norma ...
Strg branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the steering angle sensor for
damage, bend and loose connection
(unit side and connector side).
Is the inspection result ...
Difference between predicted and actual distances
The distance guide line and the vehicle width
guide line should be used as a reference only
when the vehicle is on a level, paved surface. The
distance viewed on the monitor is for reference
only and may be different than the actual distance
between the vehicle and displayed objects.
Backing u ...
