Nissan Sentra Service Manual: Main power supply and ground circuit
Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)
- Turn ignition switch OFF.
- Disconnect TCM connector.
- Check voltage between TCM harness connector terminals and ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK TCM POWER CIRCUIT (PART 2)
Check voltage between TCM harness connector terminals and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 5.
3.CHECK TCM GROUND CIRCUIT
Check continuity between TCM harness connector terminals and ground.
Is the inspection
result normal?
YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
4.DETECT MALFUNCTION ITEMS (PART 1)
Check the following items:
- Open or short circuit of harness between battery positive terminal and
TCM connector terminals 45 and 46.
Refer to PG-8, "Wiring Diagram — Battery Power Supply —".
- 10A fuse (No.33, fuse and fusible link block). Refer to PG-48, "Terminal Arrangement".
- 10A fuse (No.36, fuse and fusible link block). Refer to PG-48, "Terminal Arrangement".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
5.DETECT MALFUNCTIONING ITEMS (PART 2)
Check the following items:
- Harness open circuit or short circuit between ignition switch and IPDM E/R. Refer to PG-20, "Wiring Diagram — Ignition Power Supply —".
- Harness open circuit or short circuit between IPDM E/R and TCM.
- 10A fuse (No.45, IPDM E/R). Refer to PG-48, "Terminal Arrangement".
- IPDM E/R
Is the check result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
P285A Clutch B Pressure
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P285A
CLUTCH B PRESSURE
(Clutch B Pressur ...
Overdrive control switch
Component Function Check
1.CHECK SPORT INDICATOR LAMP FUNCTION
Check OD OFF indicator lamp turns ON for approx. 2 seconds when ignition
switch turns ON.
Is the inspection result normal?
YES &g ...
Other materials:
System description
Component parts
Body control system
Body control system : component parts location
BCM (view with instrument panel removed)
Combination switch reading system
Combination switch reading system : component parts location
BCM (view with combination meter
removed)
Combination s ...
Symptom diagnosis
The eco mode indicator lamp does not turn on
Description
The ECO mode indicator lamp does not turn ON when the ECO mode switch is
operated.
Diagnosis Procedure
1.Perform combination meter on board diagnosis
Perform combination meter on board diagnosis. Refer to MWI-16, "Description" ...
Terms
It is important to familiarize yourself with
the following terms before loading your
vehicle:
Curb Weight (actual weight of your
vehicle) - vehicle weight including:
standard and optional equipment, fluids,
emergency tools, and spare tire
assembly. This weight does not include
passen ...
