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:
P1226 TP Sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1226
CTP LEARNING-B1
(CTP LEARNING-B1)
Closed throttle position learning is not performed
successfully, repeatedly.
Electric thr ...
Aluminum alloy wheels
Wash the wheels regularly with a sponge dampened
in a mild soap solution, especially during
winter months in areas where road salt is used. If
not removed, road salt can discolor the wheels.
CAUTION
Follow the directions below to avoid
staining or discoloring the wheels:
Do not use a clean ...
Ecu diagnosis information
BCM
Reference value
Note:
The signal tech ii tool (j-50190) can be used to perform the following
functions. Refer to the signal tech ii
user guide for additional information.
Activate and display tpms transmitter ids
Display tire pressure reported by the tpms transmitter
Read TPMS DTCs ...
