Nissan Leaf. Manual - part 567

EVC-292

< DTC/CIRCUIT DIAGNOSIS >

P3194, P319F, P31AA CAN COMMUNICATION

4.

REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

With CONSULT

1. Replace ABS actuator and electric unit (control unit). Refer to 

BRC-162, "Removal and Installation"

.

2. Perform DTC confirmation procedure again. Refer to 

EVC-291, "DTC Logic"

.

Is DTC P3194, P319F, or P31AA detected again?

YES

>> Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

NO

>> INSPECTION END

P3195, P31A0, P31AB CAN COMMUNICATION

EVC-293

< DTC/CIRCUIT DIAGNOSIS >

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P3195, P31A0, P31AB CAN COMMUNICATION

DTC Logic

INFOID:0000000010120761

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

• Turn power switch OFF and wait at least 90 seconds.

CAUTION:

During this period, never perform vehicle handling such as opening and closing of doors. If some

kind of vehicle handling is performed, then wait another 90 seconds or more from the time of the

vehicle handling.

• Make sure that 12V battery voltage is 11 V or more.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn power switch ON and wait at least 10 seconds.

2. Check DTC.
Is DTC detected?

YES

>> Proceed to 

EVC-293, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010120762

1.

PERFORM TROUBLE DIAGNOSIS FOR CAN COMMUNICATION

Perform trouble diagnosis for CAN communication. Refer to 

LAN-17, "Trouble Diagnosis Flow Chart"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK SELF-DIAGNOSTIC RESULT IN VCM

With CONSULT

Check self-diagnostic result in “EV/HEV”.
Is any CAN error (U1000 excluded) other than DTC P3195, P31A0, and P31AB detected?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

REPLACE VCM

With CONSULT

1. Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

2. Perform DTC confirmation procedure again. Refer to 

EVC-293, "DTC Logic"

.

Is DTC P3195, P31A0, or P31AB detected again?

YES

>> Replace electrically-driven intelligent brake unit. Refer to 

BR-510, "Removal and installation"

.

NO

>> INSPECTION END

4.

REPLACE ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT

With CONSULT

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P3195

COMMUNICATION ERROR
(Communication error)

When VCM detects an error signal that is received from electri-
cally-driven intelligent brake unit via CAN communication

• CAN communication
• Electrically-driven intel-

ligent brake unit

• VCM

P31A0

P31AB

EVC-294

< DTC/CIRCUIT DIAGNOSIS >

P3195, P31A0, P31AB CAN COMMUNICATION

1. Replace electrically-driven intelligent brake unit. Refer to 

BR-510, "Removal and installation"

.

2. Perform DTC confirmation procedure again. Refer to 

EVC-293, "DTC Logic"

.

Is DTC P3195, P31A0, or P31AB detected again?

YES

>> Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

NO

>> INSPECTION END

P3196, P31A1, P31AE EV SYSTEM CAN COMMUNICATION

EVC-295

< DTC/CIRCUIT DIAGNOSIS >

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P3196, P31A1, P31AE EV SYSTEM CAN COMMUNICATION

DTC Logic

INFOID:0000000010120763

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

• Turn power switch OFF and wait at least 90 seconds.

CAUTION:

During this period, never perform vehicle handling such as opening and closing of doors. If some

kind of vehicle handling is performed, then wait another 90 seconds or more from the time of the

vehicle handling.

• Make sure that 12V battery voltage is 11 V or more.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Turn power switch ON and wait at least 10 seconds.

2. Check DTC.
Is DTC detected?

YES

>> Proceed to 

EVC-295, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010120764

1.

PERFORM TROUBLE DIAGNOSIS FOR CAN COMMUNICATION

Perform trouble diagnosis for CAN communication. Refer to 

LAN-17, "Trouble Diagnosis Flow Chart"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK SELF-DIAGNOSTIC RESULT IN VCM

With CONSULT

Check self-diagnostic result in “EV/HEV”.
Is any EV system CAN error (U1000 excluded) other than DTC P3196, P31A1, and P31AE detected?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

REPLACE VCM

With CONSULT

1. Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

2. Perform DTC confirmation procedure again. Refer to 

EVC-295, "DTC Logic"

.

Is DTC P3196, P31A1, or P31AE detected again?

YES

>> Replace PDM (Power Delivery Module). Refer to 

VC-112, "Removal and Installation"

.

NO

>> INSPECTION END

4.

REPLACE PDM (POWER DELIVERY MODULE)

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P3196

COMMUNICATION ER-
ROR
(Communication error)

When VCM detects an error signal that is received from PDM 
(Power Delivery Module) via CAN communication

• CAN communication
• PDM (Power Delivery 

Module)

• VCM

P31A1

P31AE