Nissan X-Trail 32. Manual - part 205

BRC-286

< DTC/CIRCUIT DIAGNOSIS >

[FORWARD EMERGENCY BRAKING]

C1A24 NP RANGE

C1A24 NP RANGE

DTC Logic

INFOID:0000000010766634

DTC DETECTION LOGIC

POSSIBLE CAUSE

• TCM
• Transmission range switch

FAIL-SAFE

FEB system is canceled.

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC “C1A24” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to 

BRC-296, "DTC Logic"

.

NO

>> GO TO 2.

2.

CHECK DTC REPRODUCE (1)

1.

Start the engine.

2.

Turn the FEB system ON. 

3.

Wait for approximately 5 minutes or more after shifting the selector lever to “P” position. 

4.

Perform “All DTC Reading” with CONSULT. 

5.

Check if the “C1A24” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”. 

Is “C1A24” detected as the current malfunction?

YES

>> Refer to 

BRC-286, "Diagnosis Procedure"

.

NO

>> GO TO 3.

3.

CHECK DTC REPRODUCE (2)

1.

Wait for approximately 5 minutes or more after shifting the selector lever to “N” position. 

2.

Perform “All DTC Reading”. 

3.

Check if the “C1A24” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”. 

Is “C1A24” detected as the current malfunction?

YES

>> Refer to 

BRC-286, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010766635

1.

CHECK DTC PRIORITY

If DTC “C1A24” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.
Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to 

BRC-296, "DTC Logic"

.

NO

>> GO TO 2.

2.

CHECK TCM DATA MONITOR

Check that “SLCT LVR POSI” operates normally in “DATA MONITOR” of “TRANSMISSION”. 

Is the inspection result normal?

YES

>> GO TO 3.

DTC

Trouble diagnosis name

DTC detecting condition

C1A24

NP RANGE
(NP range)

A mismatch between a shift position signal transmitted from TCM via ECM and an 
current gear position signal continues for 60 seconds or more

C1A24 NP RANGE

BRC-287

< DTC/CIRCUIT DIAGNOSIS >

[FORWARD EMERGENCY BRAKING]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

NO

>> Perform diagnosis for transmission range switch circuit and repair or replace the malfunctioning

parts. Refer to 

TM-322, "Diagnosis Procedure"

 (Gasoline engine models) or 

TM-568, "Diagnosis

Procedure"

 (Diesel engine models).

3.

PERFORM TCM SELF-DIAGNOSIS

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. Refer to

TM-288, "DTC Index"

 (Gasoline engine models) or 

TM-529, "DTC Index"

 (Diesel engine models).

NO

>> Replace the distance sensor. Refer to 

BRC-304, "Removal and Installation"

. 

BRC-288

< DTC/CIRCUIT DIAGNOSIS >

[FORWARD EMERGENCY BRAKING]

C1A26 ECD MODE MALFUNCTION

C1A26 ECD MODE MALFUNCTION

DTC Logic

INFOID:0000000010766636

DTC DETECTION LOGIC

POSSIBLE CAUSE

ABS actuator and electric unit (control unit)

FAIL-SAFE

FEB system is canceled.

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC “C1A26” is displayed with DTC “U1000”, “U0415” or “U0121” first diagnose the DTC “U1000”, “U0415”
or “U0121”
Is applicable DTC detected?

YES

>>

Perform diagnosis of applicable.

• U1000: Refer to 

BRC-296, "DTC Logic"

• U0415: Refer to 

BRC-294, "DTC Logic"

• U0121: Refer to 

BRC-291, "DTC Logic"

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Wait for approximately 1 minute after turning the FEB system ON.

3.

Perform “All DTC Reading” with CONSULT. 

4.

Check if the “C1A26” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”. 

Is “C1A26” detected as the current malfunction?

YES

>> Refer to 

BRC-288, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010766637

1.

CHECK DTC PRIORITY

If DTC “C1A26” is displayed with DTC “U1000”, “U0415” or “U0121” first diagnose the DTC “U1000”, “U0415”
or “U0121”

Is applicable DTC detected?

YES

>>

Perform diagnosis of applicable.

• U1000: Refer to 

BRC-296, "DTC Logic"

• U0415: Refer to 

BRC-294, "DTC Logic"

• U0121: Refer to 

BRC-291, "DTC Logic"

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

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. Refer to

BRC-84, "DTC Index"

.

NO

>> Replace distance sensor. Refer to 

BRC-304, "Removal and Installation"

.

DTC

Trouble diagnosis name

DTC detecting condition

C1A26

ECD MODE MALF
(ECD mode malfunction)

If an abnormal condition occurs with ECD system

C1A39 STEERING ANGLE SENSOR

BRC-289

< DTC/CIRCUIT DIAGNOSIS >

[FORWARD EMERGENCY BRAKING]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

C1A39 STEERING ANGLE SENSOR

DTC Logic

INFOID:0000000010766639

DTC DETECTION LOGIC

POSSIBLE CAUSE

Steering angle sensor

FAIL-SAFE

FEB system is canceled.

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC “C1A39” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to 

BRC-296, "DTC Logic"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Turn the FEB system ON. 

3.

Perform “All DTC Reading” with CONSULT. 

4.

Check if the “C1A39” is detected as the current malfunction in self-diagnosis results of “LASER/RADAR”. 

Is “C1A39” detected as the current malfunction?

YES

>> Refer to 

BRC-289, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010766640

1.

CHECK DTC PRIORITY

If DTC “C1A39” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to 

BRC-296, "DTC Logic"

.

NO

>> GO TO 2.

2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS

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. Refer to

BRC-84, "DTC Index"

. 

NO

>> Replace the distance sensor. Refer to 

BRC-304, "Removal and Installation"

. 

DTC

Trouble diagnosis name

DTC detecting condition

C1A39

STRG SEN CIR
(Steering angle sensor circuit)

If the steering angle sensor is malfunction