Nissan Leaf. Manual - part 556

EVC-248

< DTC/CIRCUIT DIAGNOSIS >

P3135 SLIGHT COLLISION DETECTION

Is indicated “0”?

YES

>> Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

NO

>> Replace air bag diagnosis sensor unit. Refer to 

SR-38, "Removal and Installation"

.

P3137 CAR CRASH DETECTION

EVC-249

< DTC/CIRCUIT DIAGNOSIS >

D

E

F

G

H

I

J

K

L

M

A

B

EVC

N

O

P

P3137 CAR CRASH DETECTION

DTC Logic

INFOID:0000000010120703

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK AIR BAG MODULE

Check that the air bag modules are not inflating.
Is air bag module inflating?

YES

>> Refer to 

SR-15, "For Side and Rollover Collision"

.

NO

>> GO TO 2.

2.

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 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE

Turn power switch ON and wait at least 5 seconds.
Is DTC detected?

YES

>> Proceed to 

EVC-249, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010120704

1.

CHECK THE IMPLEMENTATION OF AIR BAG MODULE REPLACEMENT

Check to see if there is a record of air bag module replacement.
Is there a record of air bag module replacement?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

1. Erase DTC.

2. Perform DTC confirmation procedure again. Refer to 

EVC-249, "DTC Logic"

.

Is DTC “P3137” detected again?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

CHECK CAR CRASH INFORMATION SIGNAL

With CONSULT

On the CONSULT screen, select “EV/HEV” >> “DATA MONITOR” >> “CLASH DETECT INFO”.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P3137

CAR CLASH
(Car crash)

VCM received slight collision detection signal from air bag diag-
nosis sensor unit

• Air bag inflated
• CAN communication 

signal

• Air bag diagnosis sen-

sor unit

• VCM

EVC-250

< DTC/CIRCUIT DIAGNOSIS >

P3137 CAR CRASH DETECTION

Is indicated “##”?

YES

>> Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

NO

>> Replace air bag diagnosis sensor unit. Refer to 

SR-38, "Removal and Installation"

.

P3141 PDM (POWER DELIVERY MODULE)

EVC-251

< DTC/CIRCUIT DIAGNOSIS >

D

E

F

G

H

I

J

K

L

M

A

B

EVC

N

O

P

P3141 PDM (POWER DELIVERY MODULE)

Description

INFOID:0000000010120705

If the situation is not improved under the operation of the Charge Insulation Resistance Loss Protection Con-

trol, VCM stops charging and detects DTC P3141. For details of the protection control, refer to 

EVC-422,

"Description"

.

DTC Logic

INFOID:0000000010120706

DTC DETECTION LOGIC

NOTE:

If DTC P3141 is displayed with other DTC, first perform the trouble diagnosis for other DTC.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

NOTE:

Since this DTC is difficult to be confirmed, check component function to judge the normality.

>> Proceed to 

EVC-251, "Component Function Check"

.

Component Function Check

INFOID:0000000010120707

1.

CHECK OPERATIONAL HISTORY OF CHARGE INSULATION RESISTANCE LOSS PROTECTION CON-

TROL

With CONSULT

1. 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.

2. Perform normal charging at least 15 seconds.

CAUTION:

Never turn ON the power switch during normal charging.

3. On the CONSULT screen, select “EV/HEV” >> “DATA MONITOR” >> “PRTCTN CNT OPERAT HIST 1”.

4. Check that “0” is indicated.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EVC-251, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010120708

1.

PERFORM SELF-DIAGNOSIS

With CONSULT

Perform self-diagnosis of VCM.
Is DTC other than P3141 detected?

YES

>> Check the DTC. Refer to 

EVC-102, "DTC Index"

.

NO

>> GO TO 2.

2.

REPLACE PDM (POWER DELIVERY MODULE)

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P3141

PDM (POWER DELIVERY 
MODULE)
[PDM (Power Delivery Mod-
ule)]

The Charge Insulation Resistance Loss Protection Control is 
repeated more than the specified number of times.

PDM (Power Delivery 
Module)