Nissan Leaf. Manual - part 454

P318D COMMUNICATION ERROR

EVB-99

< DTC/CIRCUIT DIAGNOSIS >

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P318D COMMUNICATION ERROR

DTC Logic

INFOID:0000000010121091

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Power switch ON and wait for 10 seconds or more.

2. Select “Self Diagnostic Result” of “HV BAT”.

3. Check DTC.
Is P318D detected?

YES

>> Refer to 

EVB-99, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010121092

For the diagnosis procedure, refer to 

LAN-17, "Trouble Diagnosis Flow Chart"

.

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

P318D

COMMUNICATION ER-
ROR

When no CAN communication signal is received contin-
uously.

• CAN communication line
• Li-ion battery controller
• VCM

EVB-100

< DTC/CIRCUIT DIAGNOSIS >

P318E COMMUNICATION ERROR

P318E COMMUNICATION ERROR

DTC Logic

INFOID:0000000010121093

DTC DETECTION LOGIC

NOTE:

When the 12 V battery is removed within 5 minutes after turning the power switch OFF, “P318E”, “P3191”, and

“P3196” may be simultaneously detected. This is not a malfunction.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Power switch OFF.

2. After turning the power switch OFF, get out of the vehicle and close all doors (including back door).

3. After turning the power switch OFF, wait for 5 minutes or more to remove the 12 V battery negative termi-

nal. Refer to 

EVB-6, "Precaution for Removing 12V Battery"

.

4. Connect 12 V battery negative terminal.

5. Power switch ON and wait for 10 seconds or more.

6. Select “Self Diagnostic Result” of “HV BAT”.

7. Check DTC.
Is P318E detected?

YES

>> Refer to 

EVB-100, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010121094

1.

PERFORM THE SELF-DIAGNOSIS

With CONSULT

1. Perform "All DTC Reading".

2. Check “Self diagnostic result” of systems other than “HV BAT” to see if “P318E” is detected. 
Is P318E detected?

YES

>> Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

NO

>> GO TO 2.

2.

PREFORM THE SELF-DIAGNOSIS OF LI-ION BATTERY CONTROLLER

With CONSULT

1. Select “Self Diagnostic Result” of “HV BAT”.

2. Check to see if “U1000” is detected simultaneously with “P318E”.
Is U1000 detected?

YES

>> Replace Li-ion battery controller. Refer to 

EVB-201, "LI-ION BATTERY CONTROLLER : Removal

and Installation"

.

NO

>> INSPECTION END

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

P318E

COMMUNICATION ER-
ROR

When no CAN communication signal is received from VCM 
continuously.

• VCM
• Li-ion battery controller
• CAN communication line

P3191 COMMUNICATION ERROR

EVB-101

< DTC/CIRCUIT DIAGNOSIS >

D

E

F

G

H

I

J

K

L

M

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B

EVB

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O

P

P3191 COMMUNICATION ERROR

DTC Logic

INFOID:0000000010121095

DTC DETECTION LOGIC

NOTE:

When the 12 V battery is removed within 5 minutes after turning the power switch OFF, “P318E”, “P3191” and

“P3196” may be simultaneously detected. This is not a malfunction.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Power switch OFF.

2. After turning the power switch OFF, get out of the vehicle and close all doors (including back door). 

3. After turning the power switch OFF, wait for 5 minutes or more to remove the 12 V battery negative termi-

nal. Refer to 

EVB-6, "Precaution for Removing 12V Battery"

.

4. Connect 12 V battery negative terminal.

5. Power switch ON and wait for 10 seconds or more.

6. Select “Self Diagnostic Result” of “HV BAT”.

7. Check DTC.
Is P3191 detected?

YES

>> Refer to 

EVB-101, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010121096

1.

PERFORM THE SELF-DIAGNOSIS

With CONSULT

1. Perform "All DTC Reading".

2. Check “Self diagnostic result” of systems other than “HV BAT” to see if “P3191” is detected. 
Is P3191 detected?

YES

>> Replace traction motor inverter. Refer to 

TMS-103, "Removal and Installation"

NO

>> GO TO 2.

2.

PREFORM THE SELF-DIAGNOSIS OF LI-ION BATTERY CONTROLLER

With CONSULT

1. Select “Self Diagnostic Result” of “HV BAT”.

2. Check to see if “U1000” is detected simultaneously with “P3191”.
Is U1000 detected?

YES

>> Replace Li-ion battery controller. Refer to 

EVB-201, "LI-ION BATTERY CONTROLLER : Removal

and Installation"

.

NO

>> INSPECTION END

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

P3191

COMMUNICATION ERROR

When no CAN communication signal is received from traction 
motor inverter continuously.

• Traction motor inverter
• Li-ion battery controller
• CAN communication line

EVB-102

< DTC/CIRCUIT DIAGNOSIS >

P3196 COMMUNICATION ERROR

P3196 COMMUNICATION ERROR

DTC Logic

INFOID:0000000010121097

DTC DETECTION LOGIC

NOTE:

When the 12 V battery is removed within 5 minutes after turning the power switch OFF, “P318E”, “P3191” and

“P3196” may be simultaneously detected. This is not a malfunction.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Power switch OFF.

2. After turning the power switch OFF, get out of the vehicle and close all doors (including back door).

3. After turning the power switch OFF, wait for 5 minutes or more to remove the 12 V battery negative termi-

nal. Refer to 

EVB-6, "Precaution for Removing 12V Battery"

.

4. Connect 12 V battery negative terminal.

5. Power switch ON and wait for 10 seconds or more.

6. Select “Self Diagnostic Result” of “HV BAT”.

7. Check DTC.
Is P3196 detected?

YES

>> Refer to 

EVB-102, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010121098

1.

PERFORM THE SELF-DIAGNOSIS

With CONSULT

1. Perform "All DTC Reading".

2. Check “Self diagnostic result” of systems other than “HV BAT” to see if “P3196” is detected. 
Is P3196 detected?

YES

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

VC-112, "Removal and Installation"

NO

>> GO TO 2.

2.

PREFORM THE SELF-DIAGNOSIS OF LI-ION BATTERY CONTROLLER

With CONSULT

1. Select “Self Diagnostic Result” of “HV BAT”.

2. Check to see if “U1000” is detected simultaneously with “P3196”.
Is U1000 detected?

YES

>> Replace Li-ion battery controller. Refer to 

EVB-201, "LI-ION BATTERY CONTROLLER : Removal

and Installation"

.

NO

>> INSPECTION END

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

P3196

COMMUNICATION ERROR

When no CAN communication signal is received from on-board 
charger continuously.

• PDM (Power Delivery 

Module)

• Li-ion battery controller
• CAN communication line