Nissan Sentra Service Manual: Power supply routing circuit
Wiring Diagram — Battery Power Supply —
Wiring Diagram — Accessory Power Supply —
Wiring Diagram — Ignition Power Suppl
y —
Fuse
- If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
- Use fuse of specified rating. Never use fuse of more than specified rating.
- Do not partially install fuse; always insert it into fuse holder properly.
- Remove fuse for “electrical parts (bat)” if vehicle is not used for a long period of time.
Fusible Link
A melted fusible link can be detected either by visual inspection or by feeling with finger tip. If its condition is questionable, use circuit tester or test lamp.
- Fusible link
Caution:
- If fusible link should melt, it is possible that critical circuit (power supply or large current carrying circuit) is shorted. In such a case, carefully check and eliminate cause of malfunction.
- Never wrap outside of fusible link with vinyl tape. Important: never let fusible link touch any other wiring harness, vinyl or rubber parts.
Ground
Ground distribution
Main harness
Engine room harness
Engine control harness
Body harness
...
Other materials:
Water pump
Exploded View
Gasket
Water pump
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns
could occur from high-pressure
engine coolant escaping from the radiator. Wrap a thick cloth around the cap.
Slowly push down and
turn it a quarter turn to allow built-up ...
On board refueling vapor recovery(ORVR)
Component Function Check
1.CHECK ORVR FUNCTION
Check whether the following symptoms are present.
Fuel odor from EVAP canister is strong
Cannot refuel/Fuel odor from the fuel filler opening is strong while
refueling.
Are any symptoms present?
YES >> Proceed to EC-468, "Diagn ...
DTC/Circuit diagnosis
U0073 COMMUNICATION BUS A OFF
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0073
COMM BUS A OFF
(Control Module Communication
Bus A Off)
TCM communication blockage lasts for 2 sec ...
