Nissan Sentra Service Manual: Push-button ignition switch illumination circuit
Description
Provides the power supply and the ground to control the push-button ignition switch illumination.
Component function check
1.Check push-button ignition switch illumination operation
Consult active test
- Turn the ignition switch ON.
- Select engine sw illumi of bcm (intelligent key) active test item.
- With operating the test items, check that the push-button ignition switch illumination turns ON/OFF.
On : push-button ignition switch illumination on
Off : push-button ignition switch illumination off
Does the push-button ignition switch illumination turn on/off? Yes >> push-button ignition switch illumination circuit is normal.
No >> refer to inl-49, "diagnosis procedure".
Diagnosis procedure
Regarding wiring diagram information, refer to inl-26, "wiring diagram".
1.Check push-button ignition switch illumination power supply output
- Turn the ignition switch OFF
- Disconnect push-button ignition switch connector.
- Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal? Yes >> go to 4.
No >> go to 2.
2.Check push-button ignition switch illumination power supply open circuit
- Disconnect bcm connector.
- Check continuity between bcm harness connector and the push-button ignition switch harness connector.
Is the inspection result normal? Yes >> go to 3.
No >> repair or replace harness or connector.
3.Check push-button ignition switch illumination power supply short circuit
Check continuity between bcm harness connector and ground.
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key), BCS-126, "Removal and Installation" (without Intelligent Key).
NO >> Repair or replace harness or connector.
4.Check push-button ignition switch illumination ground circuit
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal? Yes >> replace push-button ignition switch. Refer to sec-136, "removal and installation".
No >> repair or replace harness or connector.
Trunk room lamp circuit
Description
Controls the trunk room lamp (ground side) to turn the trunk room lamp on and
off.
Diagnosis Procedure
Regarding wiring diagram information, refer to inl-17, "wiring diagram" ...
Symptom diagnosis
Interior lighting system symptoms
Symptom Table
Caution:
Perform the self-diagnosis with consult before the symptom diagnosis.
Perform the trouble diagnosis
if any dtc is detected.
...
Other materials:
B terminal circuit
Description
Terminal “B” is constantly supplied with battery power.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR-10, "Wiring Diagram" (with
Intelligent Key system) or
STR-15, "Wiring Diagram" (without Intelligent Key system).
CAUTION:
...
Power supply and ground circuit
Body control system
Body control system : diagnosis procedure
Regarding wiring diagram information, refer to bcs-51, "wiring diagram".
1.Check fuses and fusible link
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
Yes >> replace the blown f ...
C1142 Press sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1142
PRESS SEN CIRCUIT
When a malfunction is detected in master cylinder
pressure sensor.
Stop lamp switch system
ABS actuator and electric unit
(co ...
