Nissan Sentra B18 (2020-2025) Service Manual: P2766-00 Input Speed Sensor B
Dtc Description
DTC Description
DTC DETECTION LOGIC
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P2766 |
00 |
Input/Turbine shaft speed sensor B (Input/Turbine Shaft Speed Sensor "B" Circuit Range/Performance) |
Diagnosis condition |
Diagnosis is permitted when all of the following conditions are satisfied: a) Ignition voltage ≥ 9.01 V b) Battery voltage ≥ 9.01 V c) Range : D d) Input speed > 842 rpm e) Primary pulley speed > 842 rpm |
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Signal |
Secondary speed sensor signal |
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Threshold |
DTC is detected when one of the following conditions a) to b) are satisfied: a) Current pulse frequency / Last pulse frequency ≥2 b) Current pulse frequency / Last pulse frequency ≤1/2 |
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Diagnosis delay time |
— |
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POSSIBLE CAUSE
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Harness or connector
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Secondary speed sensor (source reading input speed sensor value)
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TCM
FAIL-SAFE
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Lock-up is not performed
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Stop/start system prohibited*
*: With stop/start system
DTC CONFIRMATION PROCEDURE
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PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 10 seconds, then perform the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V.
>>GO TO 2.
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PERFORM DTC DETECTION
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Start the engine.
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Drive the Nissan Sentra vehicle and maintain the following conditions for 10 seconds or more.
Shift position
: "D" position
Nissan Sentra Vehicle speed
: 40 km/h (25 MPH) or more
CAUTION:
Be careful of the driving speed.
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Stop the Nissan Sentra vehicle.
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Check the DTC.
Is DTC detected?
YES >>Proceed to Diagnosis Procedure.
NO-1 >>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2 >>Confirmation after repair: INSPECTION END
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Diagnosis Procedure
Diagnosis Procedure
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CHECK SECONDARY SPEED SENSOR CIRCUIT
Check secondary speed sensor circuit. Refer to Diagnosis Procedure.
>>INSPECTION END
Other materials:
Water Pump
Exploded View
Exploded View
1.
Water inlet
2.
Thermostat
assembly
3.
...
Frp Control System
Component Inspection
Component Inspection
CHECK HIGH PRESSURE FUEL PUMP-1
Turn ignition switch OFF.
Disconnect high pressure fuel pump
harness connector.
Check the resistance between high
...
C1f48-62 Vehicle Speed Sensor
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection
conditi ...