Nissan Frontier. Manual — part 1323

WT-40

< SYMPTOM DIAGNOSIS >

LOW TIRE PRESSURE WARNING LAMP STAYS ON

LOW TIRE PRESSURE WARNING LAMP STAYS ON

Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned On

INFOID:0000000009480277

DIAGNOSTIC PROCEDURE

1.

BCM CONNECTORS

1. Turn ignition switch OFF.

2. Disconnect BCM harness connectors.

3. Check terminals for damage or loose connections.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace damaged parts.

2.

BCM POWER SUPPLY AND GROUND CIRCUITS

Check BCM power supply and ground circuits. Refer to

BCS-27, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-49, "Removal and Installation"

.

NO

>> Repair BCM circuits.

LOW TIRE PRESSURE WARNING LAMP BLINKS

WT-41

< SYMPTOM DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

LOW TIRE PRESSURE WARNING LAMP BLINKS

Low Tire Pressure Warning Lamp Flashes When Ignition Switch Is Turned On

INFOID:0000000009480278

Regarding Wiring Diagram information, refer to

WT-35, "Wiring Diagram"

.

NOTE:

If low tire pressure warning lamp flashes as shown, the system is normal.

Flash Mode A

• This mode shows transmitter status is OFF-mode.

Carry out transmitter wake up operation. Refer to

WT-6, "Work

Procedure"

.

DIAGNOSTIC PROCEDURE

1.

CHECK BCM CONNECTORS

1. Turn ignition switch OFF.

2. Disconnect BCM harness connectors.

3. Check terminals for damage or loose connections.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace damaged parts.

2.

CHECK TIRE PRESSURE WARNING CHECK CONNECTOR CIRCUIT

Check continuity between BCM harness connector M18 terminal 15 and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-49, "Removal and Installa-

tion"

.

NO

>> Repair circuit for short to ground.

SEIA0347E

Continuity should not exist.

ALEIA0014ZZ

WT-42

< SYMPTOM DIAGNOSIS >

HAZARD WARNING LAMPS FLASH

HAZARD WARNING LAMPS FLASH

Hazard Warning Lamps Flash When Ignition Switch Is Turned On

INFOID:0000000009480279

DIAGNOSTIC PROCEDURE

1.

CHECK BCM GROUND CIRCUIT

Check BCM ground circuit. Refer to

BCS-27, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-49, "Removal and Installation"

.

NO

>> Repair BCM ground circuit.

ID REGISTRATION CANNOT BE COMPLETED

WT-43

< SYMPTOM DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

WT

N

O

P

ID REGISTRATION CANNOT BE COMPLETED

ID Registration Cannot Be Completed

INFOID:0000000009480280

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

DIAGNOSTIC PROCEDURE

1.

PERFORM ID REGISTRATION OF ALL TRANSMITTERS

Carry out ID registration of all transmitters. Refer to

WT-6, "Work Procedure"

.

Can ID registration of all transmitters be completed?

YES

>> Inspection End.

NO

>> GO TO

WT-15, "Diagnosis Procedure"

.