Nissan Sentra Service Manual: Evaporative emission system
Inspection
EVAP CANISTER
1.CHECK EVAP CANISTER
- Block port (B).
- Blow air into port (A) and check that it flows freely out of port (C).
- Release blocked port (B).
- Apply vacuum pressure to port (B) and check that vacuum pressure exists at the ports (A) and (C).
- Block port (A) and (B).
- Apply pressure to port (C) and check that there is no leakage.
>> INSPECTION END
Ignition timing
Inspection
1.CHECK IGNITION TIMING
Attach timing light to the ignition coil No.1 harness.
Check ignition timing.
: Timing indicator
Specification : EC-486, "Ignition Timing"
> ...
Evap leak check
Inspection
CAUTION:
Do not use compressed air or a high pressure pump.
Do not exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP
system.
NOTE:
Do not start engine.
Improper ...
Other materials:
How to erase permanent DTC
Description
OUTLINE
When a DTC is stored in ECM
When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL
shutoff if the same malfunction
is not detected after performing the driving pattern for MIL shutoff three times
in a raw.
*1: When the same malfunction is detec ...
On board diagnostic (OBD) system
Diagnosis Description
This system is an on board diagnostic system that records exhaust
emission-related diagnostic information
and detects a sensors/actuator-related malfunction. A malfunction is indicated
by the malfunction indicator
lamp (MIL) and stored in ECU memory as a DTC. The diagnos ...
Intake manifold tuning system
INTAKE MANIFOLD TUNING SYSTEM : System
Description
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
This system switches the length of intake air path according to the
low-to-medium speed range or high speed
range. Torque is increased in the low-to-medium speed range and the engine
output is improved ...
