Nissan Versa Note. Manual - part 865

C1729 VEHICLE SPEED SIGNAL

WT-29

< DTC/CIRCUIT DIAGNOSIS >

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C1729 VEHICLE SPEED SIGNAL

DTC Logic

INFOID:0000000009443181

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM SELF DIAGNOSTIC RESULT 

 With CONSULT

1. Drive for 3 minutes at a speed of 40 km/h (25 MPH) or more without stopping.

2. Stop the vehicle.

3. Perform “SELF DIAGNOSTIC RESULT”.
Is DTC “C1729” detected?

YES

>> Proceed to 

WT-29, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009443182

1.

PERFORM COMBINATION METER SELF DIAGNOSTIC RESULT

With CONSULT

Perform “SELF DIAGNOSTIC RESULT” for “METER/M&A”. Refer to 

MWI-15, "CONSULT Function"

.

Are any DTCs detected?

YES

>> Refer to 

MWI-21, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK BCM INPUT/OUTPUT SIGNAL

Check the BCM input/output signal values. Refer to 

BCS-28, "Reference Value"

 (with I-key) or 

BCS-95, "Ref-

erence Value"

 (without I-key). 

Is the inspection result normal?

YES

>> Check pin terminal and connection of each harness connector for malfunctioning conditions. 

NO

>> Replace the BCM. Refer to 

BCS-70, "Removal and Installation"

 (with I-Key) or 

BCS-127,

"Removal and Installation"

 (without I-Key).

DTC

Display Item

Malfunction detected condition

Possible causes

C1729

VHCL SPEED SIG ERR

Vehicle speed signal not detected.

• CAN communication malfunction
• Combination meter malfunction

WT-30

< DTC/CIRCUIT DIAGNOSIS >

LOW TIRE PRESSURE WARNING LAMP

LOW TIRE PRESSURE WARNING LAMP

Component Function Check

INFOID:0000000009443183

1.

CHECK THE ILLUMINATION OF THE LOW TIRE PRESSURE WARNING LAMP

Check that the low tire pressure warning lamp is turned OFF after illuminating for approximately 1 second,

when the ignition switch is turned ON.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform trouble diagnosis. Refer to 

WT-30, "Diagnosis Procedure"

. 

Diagnosis Procedure

INFOID:0000000009443184

1.

PERFORM SELF DIAGNOSTIC RESULT 

With CONSULT

1. Turn the ignition switch ON.

2. Perform “SELF DIAGNOSTIC RESULT”.
Are any DTCs detected?

YES

>> Refer to 

MWI-21, "DTC Index"

.

NO

>> GO TO 3.

2.

CHECK LOW TIRE PRESSURE WARNING LAMP SIGNAL

With CONSULT

1. Turn the ignition switch ON.

2. On “DATA MONITOR” select “WARNING LAMP.”

3. Check that the low tire pressure warning lamp is turned OFF after illuminating for approximately 1 second,

when the ignition switch is turned ON.

Is the inspection result normal?

YES

>> Check the combination meter. Refer to 

MWI-15, "CONSULT Function"

.

NO

>> Replace the BCM. Refer to 

BCS-70, "Removal and Installation"

 (with I-Key) or 

BCS-127,

"Removal and Installation"

 (without I-Key). 

POWER SUPPLY AND GROUND CIRCUIT

WT-31

< DTC/CIRCUIT DIAGNOSIS >

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POWER SUPPLY AND GROUND CIRCUIT

WITH INTELLIGENT KEY
WITH INTELLIGENT KEY : Diagnosis Procedure

INFOID:0000000009761238

Regarding Wiring Diagram information, refer to 

BCS-51, "Wiring Diagram"

.

1.

CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1. Disconnect BCM connector M99.

2. Check voltage between BCM connector M99 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM connector M99 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

WITHOUT INTELLIGENT KEY
WITHOUT INTELLIGENT KEY : Diagnosis Procedure

INFOID:0000000009761239

Regarding Wiring Diagram information, refer to 

BCS-111, "Wiring Diagram"

.

1.

CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Terminal No.

Signal name

Fuses and fusible link No.

57

Battery power supply

12 (10A)

70

G (40A)

BCM

Ground

Voltage

Connector

Terminal

M99

57

—

Battery voltage

70

BCM

Ground

Continuity

Connector

Terminal

M99

67

—

Yes

WT-32

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connectors.

3. Check voltage between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

Terminal No.

Signal name

Fuses and fusible link No.

37

Battery power supply

8 (10A)

42

12 (10A)

50

G (40A)

11

Ignition switch ACC or ON

18 (10A)

38

Ignition switch ON or START

2 (10A)

BCM

Ground

Ignition switch position

Connector

Terminal

—

OFF

ACC

ON

M18

11

0 V

Battery voltage

Battery voltage

37

Battery voltage

38

0 V

0 V

M19

42

Battery voltage

Battery voltage

50

BCM

Ground

Continuity

Connector

Terminal

M19

55

—

Yes