Nissan Altima HL32 Hybrid. Manual - part 140

C1341, C1342, C1343, C1344

BRC-125

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

• Yaw rate/side/decel G sensor: 

BRC-8, "PERFORM ZERO POINT OF YAW RATE/SIDE/DECEL G SENSOR

: Description"

.

• Brake stroke sensor: 

BRC-9, "PERFORM ADJUSTMENT OF STROKE SENSOR : Description"

.

• Linear solenoid valve: 

BRC-7, "PERFORM INITIALIZATION OF LINEAR SOLENOID VALVE AND CALI-

BRATION : Description"

.

>> END

BRC-126

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C1345, C1368

C1345, C1368

Description

INFOID:0000000004212715

The brake ECU stores and corrects the difference in each individual part such as the stroke sensor, actuator

solenoids, and stroke simulator solenoid. Perform initialization of linear solenoid valve and calibration if these

parts are replaced.

The brake ECU receives shift position P signals from the HV ECU through CAN communication system.

The DTCs are cancelled when the result of linear valve offset learning is normal.

DTC Logic

INFOID:0000000004212716

Diagnosis Procedure

INFOID:0000000004212717

CAUTION:

When replacing the brake actuator assembly, perform initialization of linear solenoid valve and cali-

bration.

1.

CHECK DTC

1. Clear the DTC.

2. Turn the ignition switch OFF.

3. Turn the ignition switch ON.

4. Check that the DTCs (Electronicaly Controlled Brake and hybrid control system) are recorded.

Result

A

>> GO  TO  2.

B

>> Inspect hybrid control system.

C

>> Repair circuit indicated by output DTC.

2.

PERFORM INITIALIZATION OF LINEAR SOLENOID VALVE AND CALIBRATION

Perform initialization of linear solenoid valve and calibration.

>> GO TO 3.

3.

RECONFIRM DTC

1. Turn the ignition switch OFF.

2. Clear the DTC.

3. Turn the ignition switch ON.

4. Check if the same DTC is recorded.

Result

DTC

INF code

Display item

DTC detection condition

Trouble area

C1345

—

LINEAR VLV CALIB

Value of initialization of linear solenoid valve 
and calibration for the FR, FL, RR, and RL 
wheels is not stored.

• Initialization of linear 

solenoid valve and cali-
bration undone

• Brake  ECU

C1368

—

LINEAR S/V

Value of initialization of linear solenoid valve 
and calibration is not within the brake actua-
tor

′s standard value.

Condition

Proceed to

DTCs (except C1345, C1368 and/or hybrid control system DTC) are 
not output.

A

Hybrid control system DTC is output.

B

DTCs (except C1345 and/or C1368) are output.

C

Condition

Proceed to

DTCs (C1345 and/or C1368) are not output.

A

DTCs (C1345 and/or C1368) are output.

B

C1345, C1368

BRC-127

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

YES

>> INSPECTION END

NO

>> Replace brake ECU.

Special Repair Requirement

INFOID:0000000004212718

1.

ZERO ADJUSTMENT FOR EACH SENSOR AND OFFSET LEANING FOR LINEAR SOLENOID VALVE

After erasing brake ECU memories, perform zero adjustment of following sensors and initialization of linear

solenoid valve.

• Steering angle sensor: 

BRC-9, "PERFORM ZERO POINT OF STEERING ANGLE SENSOR : Description"

.

• Yaw rate/side/decel G sensor: 

BRC-8, "PERFORM ZERO POINT OF YAW RATE/SIDE/DECEL G SENSOR

: Description"

.

• Brake stroke sensor: 

BRC-9, "PERFORM ADJUSTMENT OF STROKE SENSOR : Description"

.

• Linear solenoid valve: 

BRC-7, "PERFORM INITIALIZATION OF LINEAR SOLENOID VALVE AND CALI-

BRATION : Description"

.

>> END

BRC-128

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C1365

C1365

Description

INFOID:0000000004212719

The accumulator pressure sensor is built into the brake actuator.

The brake ECU detects the accumulator pressure from the data sent from the accumulator pressure sensor,

and then runs and stops the pump motor by operating the motor relay.

DTCs may be output if the accumulator pressure drops due to frequent braking (this is not a malfunction).

DTC Logic

INFOID:0000000004212720

Diagnosis Procedure

INFOID:0000000004212721

CAUTION:

When replacing the brake ECU or brake actuator assembly, perform initialization of linear solenoid

valve and calibrating.

1.

CHECK HARNESS AND CONNECTOR (BRAKE ECU – BRAKE ACTUATOR)

1. Disconnect the brake ECU connector and the brake actuator connector.

2. Measure the resistance according to the value(s) in the table

below.

DTC

INF code

Display item

DTC detection condition

Possible cause

C1365

211

ACC PRESS SEN

Sensor power 1 (VCM1) voltage is 4.7 V or 
less or 5.3 V or more for at least 0.05 seconds.

• Brake actuator assem-

bly (Accumulator pres-
sure sensor)

• Accumulator pressure 

sensor circuit

• Accumulator pressure 

sensor power supply

• Brake actuator assem-

bly

• Brake  ECU

212

Ratio of accumulator pressure sensor output 
voltage (PACC) to sensor power 1 (VCM1) 
voltage is 5% or less or 90.5% or more for at 
least 0.05 seconds.

214

Total wheel cylinder pressure sensor exceeds 
18 MPa after depressing brake pedal, but ac-
cumulator pressure sensor output voltage 
(PACC) changes less than 0.5 MPa for at 
least 0.5 seconds.

215

Ratio of accumulator pressure sensor output 
voltage (PACC) to sensor power 1 (VCM1) 
voltage is 90.5% or less for at least 0.1 second 
during self diagnosis.

JSFIA0365GB

Brake ECU

Brake actuator

—

Condition

Specified condition

Connector

Terminal

Connector

Terminal

E60

4

E91

14

—

Always

Below 1 

Ω

E60

4

—

—

Ground

Always

10 k

Ω or higher

E60

18

E91

10

—

Always

Below 1 

Ω

E60

18

—

—

Ground

Always

10 k

Ω or higher

E60

19

E91

15

—

Always

Below 1 

Ω

E60

19

—

—

Ground

Always

10 k

Ω or higher