Infiniti EX35. Manual - part 1519

 

  Index      Infiniti     Infiniti EX35 - service repair manual 2008 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  1517  1518  1519  1520   ..

 

 

Infiniti EX35. Manual - part 1519

 

 

WT-32

< COMPONENT DIAGNOSIS >

C1729 VEHICLE SPEED SIGNAL

C1729 VEHICLE SPEED SIGNAL

Description

INFOID:0000000003579730

BCM detects no vehicle speed signal.

DTC Logic

INFOID:0000000003579731

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC REPRODUCTION PROCEDURE

With CONSULT-III

1.

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

2.

Perform BCM self-diagnosis.

Is DTC “C1729” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

WT-32, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003579732

1.

CHECK UNIFIED METER AND A/C AMP. SELF-DIAGNOSIS

With CONSULT-III

Perform unified meter and A/C amp. self-diagnosis.

Is any DTC detected?

YES

>> Check the DTC.

NO

>> Check unified meter and A/C amp. 

HAC-104, "Diagnosis Procedure"

.

Special Repair Requirement

INFOID:0000000003579733

1.

CHECK TIRE AIR PRESSURE

Check all tire air pressures. Refer to 

WT-104, "Tire Air Pressure"

.

Does all tire pressure data meet the specification?

YES

>> GO TO 2.

NO

>> Inspect or repair the tires or wheels and adjust the tire pressure to the specification.

2.

PERFORM ID REGISTRATION

Perform ID registration. Refer to 

WT-6, "ID REGISTRATION PROCEDURE : Special Repair Requirement"

.

>> END

DTC 

number

Trouble diagnosis name

DTC detecting condition

Possible case

C1729

VHCL SPEED SIG ERR

Vehicle speed signal error.

• CAN communication error
• Unified meter and A/C amp. mal-

function

C1734 BCM

WT-33

< COMPONENT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

C1734 BCM

Description

INFOID:0000000003579734

The BCM (1) reads the air pressure signal received by the tire pres-
sure receiver, and controls the low tire pressure warning lamp and
the buzzer operations. It also has a judgment function to detect a
system malfunction.

DTC Logic

INFOID:0000000003579735

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC REPRODUCTION PROCEDURE

With CONSULT-III

1.

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

2.

Perform BCM self-diagnosis with CONSULT-III “DATA MONITOR” within 15 minutes after stopped vehicle.

Is DTC “C1734” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

WT-33, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003579736

1.

CHECK SELF-DIAGNOSTIC RESULTS

With CONSULT-III

1.

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

2.

Check display contents in self-diagnostic results.

Does self-diagnostic results indicate any malfunction?

YES

>> Perform trouble diagnosis. Refer to 

WT-82, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK BCM POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect BCM harness connector.

3.

Check voltage between BCM harness connector terminals and ground.

Is the power supply normal?

YES

>> GO TO 3.

NO

>>

Check the following. If any items are damaged, repair or replace damage parts.

• 40A fusible link [No. K located in the fuse block]. Refer to 

PG-99, "Fuse and Fusible Link

Arrangement"

.

JPEIC0049ZZ

DTC 

Display item

Malfunction detected condition

Possible case

C1734

CONTROL UNIT

Tire pressure monitoring system malfunction in BCM

BCM malfunction

BCM

Voltage

Connector

Terminal

M118

1

Ground

Battery voltage

M119

11

WT-34

< COMPONENT DIAGNOSIS >

C1734 BCM

• 10A fuse [No. 10 located in the fuse block (J/B)]. Refer to 

PG-98, "Fuse, Connector and Termi-

nal Arrangement"

.

• Harness for short or open between battery and BCM harness connector M118 terminal 1.
• Harness for short or open between battery and BCM harness connector M119 terminal 11.
• Check Battery voltage.

3.

CHECK BCM GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair open circuit or short to power in harness or connectors.

4.

CHECK HARNESS BETWEEN BCM AND TIRE PRESSURE RECEIVER 

1.

Disconnect tire pressure receiver harness connector.

2.

Check continuity between BCM harness connector and tire pressure receiver harness connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

CHECK BCM 

Check BCM input/output signal. Refer to 

WT-48, "Reference Value"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 6.

6.

CHECK BCM HARNESS CONNECTOR

Check BCM pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-84, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

Special Repair Requirement

INFOID:0000000003579737

1.

CHECK TIRE AIR PRESSURE

Check all tire air pressures. Refer to 

WT-104, "Tire Air Pressure"

.

Does all tire pressure data meet the specification?

BCM

Continuity

Connector

Terminal

M119

13

Ground

Existed

BCM

Tire pressure receiver

Continuity

Connector

Terminal

Connector

Terminal

M123

137

M101

1

Existed

138

4

139

2

BCM

Continuity

Connector

Terminal

M123

137

Ground

Not existed

138

139

C1734 BCM

WT-35

< COMPONENT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

YES

>> GO TO 2.

NO

>> Inspect or repair the tires or wheels and adjust the tire pressure to the specification.

2.

PERFORM ID REGISTRATION

Perform ID registration. Refer to 

WT-6, "ID REGISTRATION PROCEDURE : Special Repair Requirement"

.

>> END

 

 

 

 

 

 

 

Content   ..  1517  1518  1519  1520   ..