Nissan Pathfinder. Manual - part 1216

WT-46

< DTC/CIRCUIT DIAGNOSIS >

C1730, C1731, C1732, C1733 FLAT TIRE

C1730, C1731, C1732, C1733 FLAT TIRE

DTC Logic

INFOID:0000000009177449

NOTE:

The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II

User Guide for additional information.

• Activate and display TPMS transmitter IDs

• Display tire pressure reported by the TPMS transmitter

• Read TPMS DTCs

• Register TPMS transmitter IDs

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM SELF DIAGNOSTIC RESULT 

 With CONSULT

1. Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for

10 minutes.

2. Perform Self Diagnostic Result.
Is DTC C1730, C1731, C1732, or C1733 detected?

YES

>> Proceed to 

WT-46, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009177450

NOTE:

The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II

User Guide for additional information.

• Activate and display TPMS transmitter IDs

• Display tire pressure reported by the TPMS transmitter

• Read TPMS DTCs

• Register TPMS transmitter IDs

1.

TIRE PRESSURE SENSOR ID REGISTRATION

Perform tire pressure sensor ID registration. Refer to 

WT-30, "Work Procedure"

.

Can the tire pressure sensor ID registration be completed?

YES

>> GO TO 2.

NO

>> Replace applicable tire pressure sensor. Refer to 

WT-61, "Removal and Installation"

.

2.

CHECK TIRE PRESSURE

Check the air pressure of all wheels. Refer to 

WT-65, "Tire Air Pressure"

.

Is the inspection result normal?

YES

>> Perform DTC CONFIRMATION PROCEDURE again. Refer to 

WT-46, "DTC Logic"

.

NO

>> GO TO 3.

CONSULT Display

DTC Detection Condition

Possible Cause

FLAT TIRE FL
[C1730]

Front LH tire pressure is 70 kPa (0.7 kg/cm

2

, 10 

psi) or less.

• Low tire pressure
• Tire pressure sensor

FLAT TIRE FR
[C1731]

Front RH tire pressure is 70 kPa (0.7 kg/cm

2

, 10 

psi) or less.

FLAT TIRE RR
[C1732]

Rear RH tire pressure is 70 kPa (0.7 kg/cm

2

, 10 

psi) or less.

FLAT TIRE RL
[C1733]

Rear LH tire pressure is 70 kPa (0.7 kg/cm

2

, 10 

psi) or less.

C1730, C1731, C1732, C1733 FLAT TIRE

WT-47

< DTC/CIRCUIT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

3.

CHECK TIRE PRESSURE SIGNAL

 With CONSULT

1. Adjust tire pressure for all wheels to the specified value. Refer to 

WT-65, "Tire Air Pressure"

. 

2. Select Data Monitor from AIR PRESSURE MONITOR of BCM.

3. Check that the air pressures match the specified value.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace malfunctioning components.

Monitor item

Displayed value

AIR PRESS FL

Approximately equal to value indicated on tire gauge for front LH tire

AIR PRESS FR

Approximately equal to value indicated on tire gauge for front RH tire

AIR PRESS RR

Approximately equal to value indicated on tire gauge for rear RH tire

AIR PRESS RL

Approximately equal to value indicated on tire gauge for rear LH tire

WT-48

< DTC/CIRCUIT DIAGNOSIS >

C1734 BCM

C1734 BCM

DTC Logic

INFOID:0000000009177451

NOTE:

The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II

User Guide for additional information.

• Activate and display TPMS transmitter IDs

• Display tire pressure reported by the TPMS transmitter

• Read TPMS DTCs

• Register TPMS transmitter IDs

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM SELF DIAGNOSTIC RESULT 

 With CONSULT

Perform Self Diagnostic Result.
Is DTC C1734 detected?

YES

>> Proceed to 

WT-48, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009177452

NOTE:

The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II

User Guide for additional information.

• Activate and display TPMS transmitter IDs

• Display tire pressure reported by the TPMS transmitter

• Read TPMS DTCs

• Register TPMS transmitter IDs

Regarding Wiring Diagram information, refer to 

WT-14, "Wiring Diagram - With Individual Tire Pressure Dis-

play"

 or 

WT-23, "Wiring Diagram - Without Individual Tire Pressure Display"

.

1.

CHECK BCM HARNESS CONNECTORS

Check BCM harness connectors for damage or loose connections.
Is the inspection result normal?

YES

>> Repair or replace connectors.

NO

>> GO TO 2.

2.

CHECK BCM POWER SUPPLY AND GROUND

Check BCM power supply and ground. Refer to 

BCS-74, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK REMOTE KEYLESS ENTRY RECEIVER POWER CIRCUIT

Check voltage between remote keyless entry receiver connector M86 terminal 1 and ground.

CONSULT Display

DTC Detection Condition

Possible Cause

CONTROL UNIT
[C1734]

TPMS malfunction in BCM.

BCM

C1734 BCM

WT-49

< DTC/CIRCUIT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness or connectors.

4.

CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector M80 and remote keyless entry receiver connector.

3. Check continuity between BCM connector M80 terminal 119 and remote keyless entry receiver connector

M86 terminal 2.

4. Check continuity between BCM connector M80 terminal 119 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connectors.

5.

CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

Check continuity between remote keyless entry receiver connector M86 terminal 3 and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness or connectors.

6.

CHECK BCM INPUT/OUTPUT SIGNALS

Check BCM input/output signals. Refer to 

BCS-30, "Reference Value"

.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

Remote keyless entry receiver

Ground

Voltage

(Approx.)

Connector

Terminal

M86

1

—

Battery voltage

BCM

Remote keyless entry receiver

Continuity

Connector

Terminal

Connector

Terminal

M80

119

M86

2

Yes

BCM

Ground

Continuity

Connector

Terminal

M80

119

—

No

Remote keyless entry receiver

Ground

Continuity

Connector

Terminal

M86

3

—

Yes