Nissan Leaf. Manual - part 557

EVC-252

< DTC/CIRCUIT DIAGNOSIS >

P3141 PDM (POWER DELIVERY MODULE)

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

VC-112, "Removal and Installation"

.

2. Turn power switch ON.

3. Erase self-diagnostic result.

4. Turn power switch OFF.

5. Perform normal charge at least 15 seconds.

CAUTION:

Never turn the power switch to ON during normal charge.

6. Check that normal charge operates normally.

7. Stop normal charge.

8. Check self-diagnostic result of VCM and PDM (Power Delivery Module).
Is any DTC detected?

YES

>> Check the DTC. Refer to 

EVC-102, "DTC Index"

 (VCM), 

VC-34, "DTC Index"

 [PDM (Power

Delivery Module)].

NO

>> INSPECTION END

P315C CHARGE RELAY

EVC-253

< DTC/CIRCUIT DIAGNOSIS >

D

E

F

G

H

I

J

K

L

M

A

B

EVC

N

O

P

P315C CHARGE RELAY

DTC Logic

INFOID:0000000010120709

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

INSPECTION START

NOTE:

This DTC is displayed when DTC P31CA or P31CB is detected. If this DTC is displayed, perform trouble diag-

nosis for DTC P31CA or P31CB.

>> Proceed to 

EVC-253, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010120710

Perform trouble diagnosis for P31CA or P31CB. Refer to 

EVC-316, "DTC Logic"

.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P315C

CHARGE RELAY
(Charge relay)

VCM detects DTC P31CA or P31CB.

• Harness or connectors
• Normal charge relay
• PDM (Power Delivery Module)

EVC-254

< DTC/CIRCUIT DIAGNOSIS >

P315E ABS/VDC

P315E ABS/VDC

DTC Logic

INFOID:0000000010120711

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-254, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010120712

1.

PERFORM SELF-DIAGNOSIS OF VCM

Perform self-diagnosis of VCM.
Is DTC detected other than P315E?

YES

>> Check the DTC. Refer to 

EVC-102, "DTC Index"

.

NO

>> GO TO 2.

2.

REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

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

BRC-162, "Removal and Installation"

.

2. Erase DTC.

3. Perform DTC confirmation procedure. Refer to 

EVC-254, "DTC Logic"

.

Is DTC “P315E” detected again?

YES

>> Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

NO

>> INSPECTION END

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P315E

VDC SYSTEM
(VDC system)

VCM detected torque request signal error for 2 seconds

• ABS actuator and elec-

tric unit (control unit)

•   VCM

P316A MOTOR SPEED

EVC-255

< DTC/CIRCUIT DIAGNOSIS >

D

E

F

G

H

I

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K

L

M

A

B

EVC

N

O

P

P316A MOTOR SPEED

DTC Logic

INFOID:0000000010120713

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

With CONSULT

1. Set the vehicle to READY and wait at least 60 seconds.

2. Check DTC.
Is DTC detected?

YES

>> Proceed to 

EVC-255, "Diagnosis Procedure"

.

NO

>> GO TO 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE-2

With CONSULT

1. Perform test drive.

2. Check DTC.
Is DTC detected?

YES

>> Proceed to 

EVC-255, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010120714

1.

PERFORM SELF-DIAGNOSIS OF TRACTION MOTOR INVERTER

With CONSULT

Perform self-diagnosis of traction motor.

>> Perform diagnosis procedure of detected DTC. Refer to 

TMS-28, "DTC Index"

.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P316A

MOTOR SPEED
(Motor speed)

VCM received motor speed invalid value from traction motor in-
verter.

Traction motor inverter