Nissan Sentra B18 (2020-2025) Service Manual: Exhaust Valve Timing Control Solenoid Valve
Component Inspection
Component Inspection
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CHECK EXHAUST VALVE TIMING (EVT) CONTROL SOLENOID VALVE-1
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Turn ignition switch OFF.
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Disconnect EVT control solenoid valve harness connector.
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Check the resistance between EVT control solenoid valve terminals as per the following.
EVT control solenoid valve
Condition
Resistance
Terminal
1
2
Temperature
20°C (68°F)
6.7 – 7.7 Ω
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Check the resistance between EVT control solenoid valve terminal and solenoid valve body.
EVT control solenoid valve
—
Resistance
Terminal
1
Solenoid valve body
Not existed
2
Is the inspection result normal?
YES >>GO TO 2.
NO >>Replace EVT control solenoid valve. Refer to Exploded View.
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CHECK EVT CONTROL SOLENOID VALVE-2
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Remove EVT control solenoid valve. Refer to Exploded View.
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Provide battery voltage between EVT control solenoid valve terminals 1 and 2, and then interrupt it. Check that the plunger moves as shown in the figure.
CAUTION:
Do not apply battery voltage continuously for 5 seconds or more. Doing so may result in damage to the coil in EVT control solenoid valve.
Note:
Always replace O-ring when EVT control solenoid valve is removed.
Is the inspection result normal?
YES >>INSPECTION END
NO >>Replace EVT control solenoid valve. Refer to Exploded View.
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Other materials:
Microphone Signal Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK HARNESS BETWEEN AV CONTROL
UNIT AND MICROPHONE
Ignition switch OFF.
Disconnect AV control unit connector and
microph ...
Before Replacing ECM
SAVE ECM DATA
With CONSULT
Turn ignition switch OFF.
Reconnect all harness connectors
disconnected.
Turn ignition switch ON.
Select “SAVING DATA FOR REPLC
...
Symptom Diagnosis. The Eco Mode Indicator Lamp Does Not Turn on
The Eco Mode Indicator Lamp Does Not Turn on
Diagnosis Procedure
Diagnosis Procedure
CHECK ECO MODE OPERATION
Ignition switch ON.
Check ECO mode indicator turns ON/OFF
on combination meter when turn ECO mode switch
...