Nissan Altima HL32 Hybrid. Manual - part 154

 

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Nissan Altima HL32 Hybrid. Manual - part 154

 

 

BRAKE WARNING LAMP DOES NOT COME ON

BRC-181

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

BRAKE WARNING LAMP DOES NOT COME ON

Description

INFOID:0000000004212752

The brake ECU is connected to the combination meter with CAN communication via HV ECU.

Diagnosis Procedure

INFOID:0000000004212753

CAUTION:

When replacing the brake ECU, perform initialization of linear solenoid valve and calibration.

1.

CHECK CAN COMMUNICATION SYSTEM

Check if the CAN communication system DTC is output.

Result

A

>> GO TO 2.

B

>> Inspect CAN communication system.

2.

INSPECT HV ECU

Perform HV ECU self-diagnosis.
Is the inspection result normal?

YES

>> Repair or replace malfunctioning components.

NO

>> GO TO 3.

3.

CHECK BRAKE WARNING LAMP

1. Disconnect the brake ECU connector.

2. Turn the ignition switch ON.

3. Check that the brake warning lamp comes ON.

NOTE:

• The brake warning lamp comes ON.

• If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the

table and proceed to the next step.

Is the inspection result normal?

YES

>> Replace brake ECU.

NO

>> GO TO 4.

4.

INSPECT COMBINATION METER ASSEMBLY

1. Turn the ignition switch OFF.

2. Reconnect the brake ECU connector.

3. Perform “BRAKE WARN LAMP” of the combination meter (meter CPU) using the “ACTIVE TEST”.

NOTE:

• The brake warning lamp turns ON or OFF in accordance with the CONSULT-III.

• If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the

table and proceed to the next step.

Is the inspection result normal?

YES

>> Replace brake ECU.

NO

>> Replace combination meter assembly.

Condition

Proceed to

DTC is not output.

A

DTC is output.

B

BRC-182

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

ELECTRONICALLY CONTROLLED BRAKE WARNING LAMP REMAINS ON

ELECTRONICALLY CONTROLLED BRAKE WARNING LAMP REMAINS
ON

Description

INFOID:0000000004212754

The brake ECU is connected to the combination meter with CAN communication via HV ECU. If the ECU

stores a DTC, the Electronically Controlled Brake warning lamp comes on in the combination meter.

Diagnosis Procedure

INFOID:0000000004212755

NOTE:

Electronically Controlled Brake warning lamp blinks when brake ECU is in “TEST MODE”.

CAUTION:

When replacing the brake ECU, perform initialization of linear solenoid valve and calibration.

1.

CHECK CAN COMMUNICATION SYSTEM

Check if the CAN communication system DTC is output.

Result

A

>> GO  TO  2.

B

>> Inspect CAN communication system.

2.

INSPECT HV ECU

Perform HV ECU self-diagnosis.
Is the inspection result normal?

YES

>> Repair or replace malfunctioning components.

NO

>> GO TO 3.

3.

CHECK IF BRAKE ECU CONNECTOR IS SECURELY CONNECTED

Check if the brake ECU connector is securely connected.

NOTE:

The connector should be securely connected.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Connect connector to ECU correctly.

4.

CHECK AUXILIARY BATTERY

Check the auxiliary battery voltage.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Charge or replace auxiliary battery.

5.

INSPECT COMBINATION METER ASSEMBLY

Perform “ELE BRK WARN LAMP” of the combination meter (meter CPU) using the “ACTIVE TEST”.

NOTE:

• The Electronically Controlled Brake warning lamp turns ON or OFF in accordance with the CONSULT-III.

• If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table

and proceed to the next step.

Is the inspection result normal?

YES

>> Replace brake ECU.

NO

>> Replace combination meter assembly.

Condition

Proceed to

DTC is not output.

A

DTC is output.

B

Standard voltage

: 11 to 14 V

ELECTRONICALLY CONTROLLED BRAKE WARNING LAMP DOES NOT COME 

ON

BRC-183

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

ELECTRONICALLY CONTROLLED BRAKE WARNING LAMP DOES NOT
COME ON

Description

INFOID:0000000004212756

The brake ECU is connected to the combination meter with CAN communication via HV ECU. If the ECU

stores a DTC, the Electronically Controlled Brake warning lamp comes ON in the combination meter.

Diagnosis Procedure

INFOID:0000000004212757

CAUTION:

When replacing the brake ECU, perform initialization of linear solenoid valve and calibration.

1.

CHECK CAN COMMUNICATION SYSTEM

Check if the CAN communication system DTC is output.

Result

A

>> GO TO 2.

B

>> Inspect CAN communication system.

2.

INSPECT HV ECU

Perform HV ECU self-diagnosis.
Is the inspection result normal?

YES

>> Repair or replace malfunctioning components.

NO

>> GO TO 3.

3.

CHECK ELECTRONICALLY CONTROLLED BRAKE WARNING LAMP

1. Connect the CONSULT-III.

2. Turn the ignition switch ON (READY).

3. Select “ELE BRK WARN LAMP” in the “ACTIVE TEST” and operate the Electronically Controlled Brake

warning lamp using the CONSULT-III.

ABS/VDC:

4. Check that “ON” and “OFF” of the Electronically Controlled Brake warning lamp are indicated on the com-

bination meter when using the CONSULT-III.

NOTE:

• The Electronically Controlled Brake warning lamp turns ON or OFF in accordance with the CONSULT-

III.

• If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the

table and proceed to the next step.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace brake ECU.

4.

INSPECT COMBINATION METER ASSEMBLY

1. Turn the ignition switch OFF.

2. Perform “ELE BRK WARN LAMP” of the combination meter (meter CPU) using the “ACTIVE TEST”.

NOTE:

• The Electronically Controlled Brake warning lamp turns ON or OFF in accordance with the CONSULT-

III.

Condition

Proceed to

DTC is not output.

A

DTC is output.

B

Tester display

Test part

Control range

Diagnostic note

ELE BRK WARN LAMP

Electronically Controlled Brake 

warning lamp 

Warning lamp ON/OFF

Observe combination meter

BRC-184

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

ELECTRONICALLY CONTROLLED BRAKE WARNING LAMP DOES NOT COME 

ON

• If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the

table and proceed to the next step.

Is the inspection result normal?

YES

>> Replace brake ECU.

NO

>> Replace combination meter assembly.

 

 

 

 

 

 

 

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