Nissan Pathfinder. Manual - part 1217

WT-50

< DTC/CIRCUIT DIAGNOSIS >

C1735 IGNITION SIGNAL

C1735 IGNITION SIGNAL

DTC Logic

INFOID:0000000009177453

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 C1735 detected?

YES

>> Proceed to 

WT-50, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009177454

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.

CHECK CAN IGNITION SIGNAL

 With CONSULT

1. Select Data Monitor from INTELLIGENT KEY of BCM.

2. Check IGN RLY1-F/B value.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check CAN system. Refer to 

LAN-20, "Trouble Diagnosis Flow Chart"

.

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.

DRIVE VEHICLE

Clear DTC and test drive vehicle to check for low tire pressure warning lamp.
Does the vehicle operate without any low tire pressure warning lamp?

CONSULT Display

DTC Detection Condition

Possible Cause

IGNITION SIGNAL LINE - BCM/TPMS
[C1735]

BCM has detected a mismatch between IGN 
ON signals.

BCM

Monitor item

Displayed value

IGN RLY1 F/B

On with ignition in ON position

C1735 IGNITION SIGNAL

WT-51

< DTC/CIRCUIT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

YES

>> Inspection End.

NO

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

WT-52

< SYMPTOM DIAGNOSIS >

TPMS

SYMPTOM DIAGNOSIS

TPMS

Symptom Table

INFOID:0000000009177455

Symptom

Reference

Low tire pressure warning lamp does not come on when ignition switch is turned ON.

WT-53

Low tire pressure warning lamp stays on when ignition switch is turned ON.

WT-54

Easy fill tire alert does not activate.

WT-55

LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN ON

WT-53

< SYMPTOM DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN ON

Low Tire Pressure Warning Lamp Does Not Come On When Ignition Switch Is Turned 
On

INFOID:0000000009177456

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.

PERFORM SELF DIAGNOSTIC RESULT 

 With CONSULT

Perform Self Diagnostic Result.
Is DTC U1000 detected?

YES

>> Refer to 

LAN-20, "Trouble Diagnosis Flow Chart"

.

NO

>>  GO TO 2

2.

CHECK COMBINATION METER

Check combination meter operation. Refer to 

MWI-19, "CONSULT Function (METER/M&A)"

.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace combination meter. Refer to 

MWI-82, "Removal and Installation"

.

3.

CHECK LOW TIRE PRESSURE WARNING LAMP

Disconnect BCM harness connector. 
Does the low tire pressure warning lamp activate?

YES

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

NO

>> Check combination meter operation.