Nissan Titan A60. Manual - part 1002

LOW TIRE PRESSURE WARNING LAMP STAYS ON

WT-37

< SYMPTOM DIAGNOSIS >

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LOW TIRE PRESSURE WARNING LAMP STAYS ON

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

INFOID:0000000006179313

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-28, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-53, "Removal and Installation"

.

NO

>> Repair BCM circuits.

WT-38

< SYMPTOM DIAGNOSIS >

LOW TIRE PRESSURE WARNING LAMP BLINKS

LOW TIRE PRESSURE WARNING LAMP BLINKS

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

INFOID:0000000006179314

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-5, "Transmit-

ter Wake Up Operation"

.

Regarding Wiring Diagram information, refer to 

WT-31, "Wiring Diagram"

.

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-53, "Removal and Installa-

tion"

.

NO

>> Repair circuit for short to ground.

SEIA0347E

Continuity should not exist.

ALEIA0014ZZ

HAZARD WARNING LAMPS FLASH

WT-39

< SYMPTOM DIAGNOSIS >

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A

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HAZARD WARNING LAMPS FLASH

Hazard Warning Lamps Flash When Ignition Switch Is Turned On

INFOID:0000000006179315

DIAGNOSTIC PROCEDURE

1.

CHECK BCM GROUND CIRCUIT

Check BCM ground circuit.  Refer to 

BCS-28, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-53, "Removal and Installation"

.

NO

>> Repair BCM ground circuit.

WT-40

< SYMPTOM DIAGNOSIS >

"TIRE PRESSURE" INFORMATION IN DISPLAY UNIT DOES NOT EXIST

"TIRE PRESSURE" INFORMATION IN DISPLAY UNIT DOES NOT EXIST

"TIRE PRESSURE" Information in Display Unit Does Not Exist

INFOID:0000000006179316

DIAGNOSTIC PROCEDURE

1.

SELF-DIAGNOSTIC RESULT CHECK

Using CONSULT-III, check display contents in self-diagnostic results.
Is "CAN COMM CIRCUIT" displayed in the self-diagnosis display items?

YES

>>  Malfunction in CAN communication system.

NO

>> GO TO 2.

2.

CHECK DISPLAY UNIT

Perform display unit self-diagnosis.  Refer to 

AV-208, "AUDIO UNIT : Diagnosis Description"

.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-53, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning parts.