Nissan Altima L32. Manual - part 1567

DIAGNOSIS SYSTEM (BCM)

WT-11

< FUNCTION DIAGNOSIS >

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DIAGNOSIS SYSTEM (BCM)

CONSULT-III Function (BCM)

INFOID:0000000004205303

CONSULT-III DIAGNOSTIC MODES

CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.

DESCRIPTION

During driving, the tire pressure monitoring system receives the signal transmitted from the transmitter

installed in each wheel, and turns on the low tire pressure warning lamp when the tire pressure becomes low.

The control unit (BCM) for this system has pressure judgement and self-diagnosis functions.

FUNCTION

When the tire pressure monitoring system detects low inflation pressure or an internal malfunction, the low tire

pressure warning lamp in the combination meter comes on. The malfunction is indicated by the low tire pres-

sure warning lamp flashing.

CONSULT-III Application to Tire Pressure Monitoring System

× : Applicable
– : Not applicable

Data Monitor Mode

Diagnostic mode

Description

Work Support

Supports inspections and adjustments. Commands are transmitted to the BCM 
for setting the status suitable for required operation, input/output signals are re-
ceived from the BCM and received data is displayed.

Data Monitor

Displays BCM input/output data in real time.

Active Test

Operation of electrical loads can be checked by sending drive signal to them.

Self-Diagnostic Result

Displays BCM self-diagnosis results.

CAN Diagnostic Support Monitor

The result of transmit/receive diagnosis of CAN communication can be read.

ECU Identification

BCM part number can be read.

Configuration

Performs BCM configuration read/write functions.

ITEM

SELF-DIAGNOSTIC RESULTS

DATA MONITOR

Front - Left transmitter

×

×

Front - Right transmitter

×

×

Rear - Left transmitter

×

×

Rear - Right transmitter

×

×

Warning lamp

—

×

Vehicle speed

×

×

CAN Communication

×

×

MONITOR

CONDITION

SPECIFICATION

VHCL SPEED

Drive vehicle.

Vehicle speed (km/h or MPH)

AIR PRESS FL
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL

• Drive vehicle for a few minutes.

Tire pressure (kPa or psi)

or 

• Ignition switch ON and activation tool 

is transmitting activation signals. 

WT-12

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (BCM)

NOTE:
Before performing the self-diagnosis, be sure to register the ID, or the actual malfunction location may be different from that displayed on
CONSULT-III.

Self-Diagnosis (Without CONSULT-III)

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SELF DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-III)

1. Turn ignition switch ON.

2. Ground the tire pressure warning check connector to initiate self diagnosis.

3. Compare the flashing pattern with the flash code chart below.

NOTE:

The system is normal when the low tire pressure warning lamp flashes 5 times and continues repeating. Self-

diagnosis results are erased automatically by turning the ignition switch “OFF”.

ID REGST FL1
ID REGST FR1
ID REGST RR1
ID REGST RL1

Ignition switch ON

ID not registered: YET
ID registered: DONE

WARNING LAMP

Low tire pressure warning lamp on: ON
Low tire pressure warning lamp off: OFF

BUZZER

Buzzer in combination meter on: ON
Buzzer in combination meter off: OFF

MONITOR

CONDITION

SPECIFICATION

Flash Code

Malfunction part

Reference 

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Tire pressure dropped below specified value. Refer to 

WT-8, "System 

Description"

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21
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Transmitter no data (FL)
Transmitter no data (FR)
Transmitter no data (RR)
Transmitter no data (RL)

WT-14

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Transmitter checksum error (FL)
Transmitter checksum error (FR)
Transmitter checksum error (RR)
Transmitter checksum error (RL)

WT-16

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Transmitter pressure data error (FL)
Transmitter pressure data error (FR)
Transmitter pressure data error (RR)
Transmitter pressure data error (RL)

WT-18

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42
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44

Transmitter function code error (FL)
Transmitter function code error (FR)
Transmitter function code error (RR)
Transmitter function code error (RL)

WT-16

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DIAGNOSIS SYSTEM (BCM)

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Transmitter battery voltage low (FL)
Transmitter battery voltage low (FR)
Transmitter battery voltage low (RR)
Transmitter battery voltage low (RL)

WT-16

52

Vehicle speed signal

WT-19

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TPMS malfunction in BCM

WT-20

Flash Code

Malfunction part

Reference 

page

WT-14

< COMPONENT DIAGNOSIS >

C1708 - C1711 DATA FROM TRANSMITTER NOT BEING RECEIVED

COMPONENT DIAGNOSIS

C1708 - C1711 DATA FROM TRANSMITTER NOT BEING RECEIVED

Description

INFOID:0000000004471325

Tire pressure data for one or more transmitters is not being received by the BCM.

DTC Logic

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DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

ID REGISTRATION AND VEHICLE DRIVING

1. Carry out ID registration of all transmitters.

2. 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.

3. Check all tire pressures with CONSULT-III within 5 minutes.
Does DATA MONITOR ITEM display tire pressure as normal without any warning lamp?

YES

>> Inspection End.

NO

>> Refer to 

WT-14, "Diagnosis Procedure"

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Diagnosis Procedure

INFOID:0000000004205305

MALFUNCTION CODE NO. 21, 22, 23 OR 24 (DTC C1708, C1709, C1710 OR C1711)

1.

CHECK BCM

Drive for several minutes. Check all tire pressures with CONSULT-III.
Are all tire pressures displayed as 0 kPa?

YES

>> GO TO 2

NO

>> GO TO 3

2.

CHECK TIRE PRESSURE RECEIVER CONNECTOR

Check tire pressure receiver connector for damage or loose connections.
Is tire pressure receiver connector damaged or loose?

YES

>> Repair or replace tire pressure receiver connector.

NO

>> Replace BCM, then GO TO 3. Refer to 

BCS-96, "Removal and Installation"

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3.

PERFORM ID REGISTRATION

Carry out ID registration of all transmitters. Refer to 

WT-6, "ID Registration Procedure"

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Is there a tire that cannot register ID?

YES

>> Replace malfunctioning transmitter, then GO TO 5. Refer to 

WT-68, "Removal and Installation"

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NO

>> GO TO 4

4.

DRIVE VEHICLE

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

2. Check all tire pressures with CONSULT-III within 15 minutes after vehicle speed becomes 17 km/h (11

MPH).

Does “DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?

YES

>> Inspection End.

DTC

CONSULT-III

DTC detecting condition

C1708

[NO - DATA] - FL

Data from FL transmitter cannot be received.

C1709

[NO - DATA] - FR

Data from FR transmitter cannot be received.

C1710

[NO - DATA] - RR

Data from RR transmitter cannot be received.

C1711

[NO - DATA] - RL

Data from RL transmitter cannot be received.