Nissan Sentra B18 (2020-2025) Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Adas Control Unit / Dtc/circuit Diagnosis / C1f41-62 Cvt

Nissan Sentra B18 (2020-2025) Service Manual: C1f41-62 Cvt

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1F41	62	CVT CIRCUIT (Continuously variable transaxle/transmission circuit)	Diagnosis condition	When AEB system is ON When driving the Nissan Sentra vehicle at 10 km/h (6 MPH) or faster for approximately 15 minutes or more.
			Signal (terminal)	CAN communication signal
			Threshold	A mismatch between an current gear position signal transmitted from TCM via CAN communication and a gear position calculated by the ADAS control unit 2 continues
			Diagnosis delay time	Approximately 11 minutes or more

POSSIBLE CAUSE

Input speed sensor
Output speed sensor
TCM

FAIL-SAFE

The following systems are canceled.

Nissan Sentra Vehicle-to-vehicle distance control mode
Conventional (fixed speed) cruise control mode
AEB
LDW
TSR
BSW
RCTA
RAB

Confirmation Procedure

Confirmation Procedure

CHECK DTC PRIORITY

If DTC “C1F41–62” is displayed with Network-DTC or “C1F48–62”, or “C1F48–29” first diagnose the Network-DTC or “C1F48–62”, or “C1F48–29”

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable.
- Network-DTC: DTC Index
- C1F48–62: DTC Description
- C1F48–29: DTC Description
NO >>
GO TO 2 .
CHECK TCM SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in "Self Diagnostic Result" of "TCM"

Is any DTC detected?
YES >>
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. DTC Index
NO >>
GO TO 3 .
PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the AEB system ON.
3. Drive the Nissan Sentra vehicle at 10 km/h (6 MPH) or faster for approximately 15 minutes or more.
  Note:
  All 15 minutes should be driven by D range. If the driver changes to another shift position in-between, 15 minute will be reset.
  
  CAUTION:
  
  Always drive safely.
4. Stop the Nissan Sentra vehicle.
Is “C1F41–62” detected as the current malfunction?
YES >>
DTC Diagnosis Procedure
NO-1 >>
To check malfunction symptom before repair: Intermittent Incident
NO-2 >>
Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC “C1F41–62” is displayed with Network-DTC, “C1F48–62”, or “C1F48–29” first diagnose the Network-DTC, “C1F48–62”, or “C1F48–29”

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable.
- Network-DTC: DTC Index
- C1F48–62: DTC Description
- C1F48–29: DTC Description
NO >>
GO TO 2 .
CHECK TCM SELF-DIAGNOSIS RESULTS
1. Perform “All DTC Reading”.
2. Check if any DTC is detected in “Self Diagnostic Result” of “TRANSMISSION”.
Is any DTC detected?
YES >>
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. DTC Index
NO >>
GO TO 3 .
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS
1. Perform “All DTC Reading”.
2. Check if any DTC is detected in “Self Diagnostic Result” of “ABS”.
Is any DTC detected?
YES >>
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. DTC Index
NO >>
Replace the ADAS control unit 2. Removal and Installation

 C1f36-55 Configuration

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 C1f48-62 Vehicle Speed Sensor

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