Nissan Sentra Service Manual: DTC/Circuit diagnosis
POSITION SWITCH
BACK-UP LAMP SWITCH
BACK-UP LAMP SWITCH : Component Inspection
1.CHECK BACK-UP LAMP SWITCH
- Disconnect position switch harness connector. Refer to TM-21, "Removal and Installation".
- Check continuity between position switch terminals.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace position switch. Refer to TM-21, "Removal and Installation".
PARK/NEUTRAL POSITION (PNP) SWITCH
Park/neutral position (PNP) Switch :Component Inspection
1.CHECK PARK/NEUTRAL POSITION (PNP) SWITCH
- Disconnect position switch harness connector. Refer to TM-21, "Removal and Installation".
- Check continuity between position switch terminals.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace position switch. Refer to TM-21, "Removal and Installation".
System description
COMPONENT PARTS
Component Parts Location
Transaxle assembly
STRUCTURE AND OPERATION
Sectional View
3rd input gear
3rd-4th synchronizer hub assembly
4th input gear
5th ...
Symptom diagnosis
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
Use the chart below to find the cause of the symptom. The numbers indicate
the order of the inspection. If necessary ...
Other materials:
Hvac 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 a/c auto amp. For damage, bend
and loose connection (unit
side and connector side).
Is the inspection result normal? ...
C1140 Actuator relay system
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1140
ACTUATOR RLY
When a malfunction is detected in actuator relay.
Harness or connector
ABS actuator and electric unit
(control unit)
Fusible link ...
Diagnosis description : system readiness
test (SRT) code
System Readiness Test (SRT) code is specified in Service $01 of SAE J1979/ISO
15031-5.
As part of an enhanced emissions test for Inspection & Maintenance (I/M),
certain states require the status of
SRT be used to indicate whether the ECM has completed self-diagnosis of major
emission s ...
