Nissan Leaf. Manual - part 597

 

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Nissan Leaf. Manual - part 597

 

 

EVC-412

< SYMPTOM DIAGNOSIS >

EV CONTROL SYSTEM

Low Electrical Consumption

INFOID:0000000010120863

Symptom

Possible cause

Action

L

ow ele

ct

ric

al co

ns

um

pt

ion

Traction motor requires a 
large amount of power.

Running resistance of tires 
is high.

Low tire pressure.

Adjust tire pressure.

Tire size is not of standard 
size.

Install standard-size tires.

Parking brake is applied.

• Abnormal electric parking 

brake control module.

• Abnormal parking brake 

actuator.

Perform self-diagnosis of Electric 
parking brake control module.

Parking brake is applied.

Brake dragging.

Check reduction dragging.

Sliding resistance of reduc-
tion gear is high.

Abnormal reduction gear.

Check reduction gear.

Air conditioner requires a 
large amount of power.

Electric compressor re-
quires a large amount of 
power.

The set temperature is low.

Adjust the set temperature.

Abnormal A/C auto amp.

Perform self-diagnosis of A/C auto 
amp.

PTC heater requires a large 
amount of power.

The set temperature is high. Adjust the set temperature.

Abnormal A/C auto amp.

Perform self-diagnosis of A/C auto 
amp.

Auxiliaries requires a large amount of power.

High-capacity auxiliaries is 
connected.

Check vehicle condition.

Low efficient Li-ion battery.

Incorrect service plug con-
nection.

Check installation condition of the 
service plug.

Lower energy storage, com-
pared to meter indication.

Battery charge level at full 
charge is low.

Low Li-ion battery cell ca-
pacity.

Perform inspection according to the 
diagnosis procedure of DTC P33E6 
of EV battery control system. Refer 
to 

EVB-147, "Diagnosis Proce-

dure"

.

Li-ion battery charged with 
its temperature low.

Charge Li-ion battery with its room-
temperature condition.

Available driving range becomes shorter.

Abnormal Li-ion battery.

Perform EV battery control system 
diagnosis by symptom. Refer to 

EVB-179, "Diagnosis Procedure"

.

Low Li-ion battery cell ca-
pacity.

Perform inspection according to the 
diagnosis procedure of DTC P33E6 
of EV battery control system. Refer 
to 

EVB-147, "Diagnosis Proce-

dure"

.

EV CONTROL SYSTEM

EVC-413

< SYMPTOM DIAGNOSIS >

D

E

F

G

H

I

J

K

L

M

A

B

EVC

N

O

P

Power Switch Does Not Turn OFF

INFOID:0000000010120864

Symptom

Possible cause

Action

Pow

e

r swi

tch

 d

oe

s n

o

t turn

 O

F

F.

VCM recognizes that the 
power switch is not OFF.

Power is continuously sup-
plied to the power ON power 
supply terminal of VCM.

Short circuit between the 
power ON power supply cir-
cuit of VCM and power.

Check the power ON power supply 
circuit.

Abnormal IPDM E/R.

Perform self-diagnosis of IPDM E/
R.

Abnormal BCM.

Perform self-diagnosis of BCM.

Abnormal power switch.

PCS-64, 
"Component Function Check"

Immediate charging switch signal is continuously received.

• Abnormal immediate 

charging switch signal cir-
cuit.

• Abnormal immediate 

charging switch.

EVC-390, "Diagnosis Procedure"

EVC-414

< SYMPTOM DIAGNOSIS >

EV CONTROL SYSTEM

No Regeneration

INFOID:0000000010120865

Symptom

Possible cause

Action

No re

ge

ne

rati

on

The amount of regeneration 
is limited.

Drive motor inverter limits 
output.

Fail-safe of traction motor 
inverter.

TMS-25, "Fail-safe"

The temperature of traction 
motor or traction motor in-
verter is high.

Check the “POWER LIMIT CAUSE” 
in the DATA MONITOR item of 
VCM.

LBC limits output.

Fail-safe of LBC.

EVB-40, "Fail-safe"

Damaged bus bar (connect-
ing part of Li-ion battery 
module).

Check bus bar.

Degradation in Li-ion bat-
tery temperature sensor 
characteristics.

Check the “POWER LIMIT CAUSE” 
in the DATA MONITOR item of 
VCM.

The temperature of Li-ion 
battery is too high/low.

Li-ion battery is fully 
charged.

Normal operation.

ABS actuator and electric 
unit (control unit) limits out-
put.

ABS operates.

Normal operation.

Electrically-driven intelligent 
brake unit limits output.

Fail-safe of electrically-driv-
en intelligent brake unit.

BR-35, "Fail-Safe"

The regeneration prohibit 
conditions are satisfied.

ABS actuator and electric 
unit (control unit) limits out-
put.

VDC operates.

Normal operation.

Vehicle speed is 14 km/h (9 
MPH) or less.

Normal operation.

Accelerator pedal is de-
pressed.

Normal operation.

Under full braking.

Normal operation.

The amount of target regen-
eration changes.

Driving mode is changed.

• ECO mode or B mode are 

canceled.

• Range changes to N.

Normal operation.

Brake applied during sharp 
turn.

Normal operation.

Slip detected during ECO 
mode.

Normal operation.

EV CONTROL SYSTEM

EVC-415

< SYMPTOM DIAGNOSIS >

D

E

F

G

H

I

J

K

L

M

A

B

EVC

N

O

P

Decelerating Force Changes

INFOID:0000000010120866

Symptom

Possible cause

Action

Dec

el

era

tio

n G ch

an

ge

s.

The amount of regeneration 
is limited.

Traction motor inverter lim-
its output.

Fail-safe of traction motor 
inverter.

TMS-25, "Fail-safe"

The temperature of traction 
motor or traction motor in-
verter is high.

Check the “POWER LIMIT CAUSE” 
in the DATA MONITOR of VCM.

LBC limits output.

Fail-safe of LBC.

EVB-40, "Fail-safe"

.

Damaged bus bar (connect-
ing part of Li-ion battery 
module).

Check bus bar.

Degradation in Li-ion bat-
tery temperature

Check the “POWER LIMIT CAUSE” 
in the DATA MONITOR of VCM.

The temperature of Li-ion 
battery is too high/low.

Li-ion battery is fully 
charged.

Normal operation.

The amount of target regen-
eration changes.

Selector lever range posi-
tion is changed.

Range changes from D to 
ECO (or B) or from ECO (or 
B) to D.

Normal operation.

Accelerator pedal is de-
pressed.

Normal operation.

 

 

 

 

 

 

 

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