Nissan Altima L32. Manual - part 1569

C1729 VEHICLE SPEED SIGNAL

WT-19

< COMPONENT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

C1729 VEHICLE SPEED SIGNAL

Description

INFOID:0000000004471332

The vehicle speed signal is not being detected by the BCM.

DTC Logic

INFOID:0000000004471333

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULTS

1. On SELECT DIAG MODE, select the SELF-DIAG RESULT screen.

2. Check display contents on SELF DIAG RESULT screen.
Is the CAN COMM CIRCUIT displayed in the self-diagnosis display?

YES

>> Refer to 

WT-19, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004205308

MALFUNCTION CODE NO. 52 (DTC C1729)

1.

CHECK SELF-DIAGNOSTIC RESULTS

1. On “SELECT DIAG MODE”, select the “SELF-DIAG RESULT” screen.

2. Check display contents on “SELF DIAG RESULT” screen.
Is the “CAN COMM CIRCUIT” displayed in the self-diagnosis display?

YES

>> Perform trouble diagnosis for CAN communication system. Refer to 

LAN-25, "CAN System Spec-

ification Chart"

.

NO

>> Check combination meter. Refer to 

MWI-38, "CONSULT-III Function (METER/M&A)"

.

Special Repair Requirement

INFOID:0000000004471338

Perform preliminary check.  Refer to 

WT-5, "Preliminary Check"

.

DTC

CONSULT-III

DTC detecting condition

C1729

VHCL SPEED SIG ERR

Vehicle speed signal is in error.

WT-20

< COMPONENT DIAGNOSIS >

C1734 CONTROL UNIT

C1734 CONTROL UNIT

Description

INFOID:0000000004471334

An internal malfunction has been detected in the TPMS function of the BCM.

DTC Logic

INFOID:0000000004471335

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULTS

1. On SELECT DIAG MODE, select the SELF-DIAG RESULT screen.

2. Check display contents on SELF DIAG RESULT screen.
Is C1734 displayed in the self-diagnosis display?

YES

>> Refer to 

WT-20, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004205309

MALFUNCTION CODE NO. 53 (DTC C1734)

1.

SELF-DIAGNOSTIC RESULTS

1. On “SELECT DIAG” mode, select the “SELF-DIAG RESULT” screen for BCM.

2. Check display contents on “SELF-DIAG RESULT”.
Does self-diagnostic results indicate any DTC other than C1734?

YES

>> Perform trouble diagnosis for DTC. Refer to 

BCS-91, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK BCM HARNESS CONNECTORS

Check BCM harness connectors for damage or loose connections.
Are the BCM harness connectors damaged or loose?

YES

>> Repair or replace damaged parts.

NO

>> GO TO 3.

3.

BCM POWER SUPPLY AND GROUND

Check BCM power supply and ground. Refer to 

BCS-42, "Diagnosis Procedure"

.

Are the power supply and grounds normal?

YES

>> GO TO 4.

NO

>> Repair power supply or grounds as necessary.

4.

CHECK HARNESS BETWEEN BCM AND TIRE PRESSURE RECEIVER

1. Turn ignition switch “OFF”

2. Disconnect BCM harness connector M18 (A) and tire pressure

receiver harness connector M70 (B).

3. Check continuity between BCM harness connector and tire

pressure receiver harness connector.

DTC

CONSULT - III

DTC detecting condition

C1734

CONTROL UNIT

TPMS malfunction in BCM.

ALEIA0013ZZ

C1734 CONTROL UNIT

WT-21

< COMPONENT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

Does continuity exist?

YES

>> GO TO 5.

NO

>> Repair circuits as necessary.

5.

BCM INPUT/OUTPUT SIGNALS

Check BCM input/output signals. Refer to 

BCS-47, "Reference Value"

.

Are the inputs and outputs normal?

YES

>> Inspection End.

NO

>> Replace BCM. Refer to 

BCS-96, "Removal and Installation"

.

Special Repair Requirement

INFOID:0000000004471339

Perform preliminary check.  Refer to 

WT-5, "Preliminary Check"

.

BCM

Tire pressure receiver

Continuity

Connector

Terminal

Connector

Terminal

M18

45

M70

1

YES

46

4

47

2

WT-22

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

ECU DIAGNOSIS

BCM (BODY CONTROL MODULE)

Reference Value

INFOID:0000000004491021

VALUES ON THE DIAGNOSIS TOOL

Monitor Item

Condition

Value/Status

FR WIPER HI

Other than front wiper switch HI

OFF

Front wiper switch HI

ON

FR WIPER LOW

Other than front wiper switch LO

OFF

Front wiper switch LO

ON

FR WASHER SW

Front washer switch OFF

OFF

Front washer switch ON

ON

FR WIPER INT

Other than front wiper switch INT

OFF

Front wiper switch INT

ON

FR WIPER STOP

Front wiper is not in STOP position

OFF

Front wiper is in STOP position

ON

INT VOLUME

Wiper intermittent dial is in a dial position 1 - 7

Wiper intermittent dial position

TURN SIGNAL R

Other than turn signal switch RH

OFF

Turn signal switch RH

ON

TURN SIGNAL L

Other than turn signal switch LH

OFF

Turn signal switch LH

ON

TAIL LAMP SW

Other than lighting switch 1ST and 2ND

OFF

Lighting switch 1ST or 2ND

ON

HI BEAM SW

Other than lighting switch HI

OFF

Lighting switch HI

ON

HEAD LAMP SW 1

Other than lighting switch 2ND

OFF

Lighting switch 2ND

ON

HEAD LAMP SW 2

Other than lighting switch 2ND

OFF

Lighting switch 2ND

ON

PASSING SW

Other than lighting switch PASS

OFF

Lighting switch PASS

ON

AUTO LIGHT SW

Other than lighting switch AUTO

OFF

Lighting switch AUTO

ON

FR FOG SW

Front fog lamp switch OFF

OFF

Front fog lamp switch ON

ON

DOOR SW-DR

Driver door closed

OFF

Driver door opened

ON

DOOR SW-AS

Passenger door closed

OFF

Passenger door opened

ON

DOOR SW-RR

Rear door RH closed

OFF

Rear door RH opened

ON

DOOR SW-RL

Rear door LH closed

OFF

Rear door LH opened

ON