Nissan Leaf. Manual - part 549

EVC-220

< DTC/CIRCUIT DIAGNOSIS >

P3100 EV SYSTEM CAN COMMUNICATION

Diagnosis Procedure

INFOID:0000000010120675

1.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

With CONSULT

1. Erase DTC.

2. Perform DTC confirmation procedure again. Refer to 

EVC-219, "DTC Logic"

.

Is DTC“ P3100” detected again?

YES

>> Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

NO

>> INSPECTION END

P3101 VCM

EVC-221

< DTC/CIRCUIT DIAGNOSIS >

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P3101 VCM

DTC Logic

INFOID:0000000010120676

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 wait at least 10 seconds.

2. Set the vehicle to READY.

NOTE:

If the vehicle does not enter the READY state, proceed to the next step with the power switch ON.

3. Shift selector lever to the entire position from “P” to “D”.

4. 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.

5. Turn power switch ON wait at least 10 seconds.

6. 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.

7. Turn power switch ON.

8. Check self-diagnostic result.
Is DTC detected?

YES

>> Proceed to 

EVC-221, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010120677

1.

PERFORM CONFIRMATION PROCEDURE AGAIN

1. Erase DTC.

2. Perform DTC confirmation procedure again. Refer to 

EVC-221, "DTC Logic"

.

3. Check self-diagnostic result.
Is the DTC 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

P3101

VCM
(Vehicle control module)

VCM calculation function is malfunctioning.

VCM

EVC-222

< DTC/CIRCUIT DIAGNOSIS >

P3102 LI-ION BATTERY

P3102 LI-ION BATTERY

Description

INFOID:0000000010120678

Li-ion Battery ID Registration must be performed if the Li-ion battery controller or VCM is replaced.

DTC Logic

INFOID:0000000010120679

DTC DETECTION LOGIC

CAUTION:

This DTC may be detected when the Li-ion battery is replaced. If this DTC is detected, check that the

Li-ion battery is replaced by using the correct parts and method.

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 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. Turn power switch ON and wait at least 5 seconds.

3. Check DTC.
Is DTC detected?

YES

>> Proceed to 

EVC-222, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010120680

1.

CHECK SELF-DIAGNOSTIC RESULT OF LI-ION BATTERY CONTROLLER

With CONSULT

1. Turn power switch ON.

2. Check self-diagnostic result of the “HV BAT”.
Is any DTC detected?

YES

>> Check the DTC. Refer to 

EVB-45, "DTC Index"

.

NO

>> GO TO 2.

2.

LI-ION BATTERY VISUALLY CHECK

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P3102

INVALID BATTERY
(Invalid battery)

Detects invalid Li-ion battery ID.

• Improper replacement of Li-

ion battery or Li-ion battery 
controller.

• Li-ion battery
• Li-ion battery controller

P3102 LI-ION BATTERY

EVC-223

< DTC/CIRCUIT DIAGNOSIS >

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CAUTION:

This DTC may be detected when the Li-ion battery is replaced. If this DTC is detected, check that the

Li-ion battery is replaced by using the correct parts and method.

Visually check Li-ion battery for malfunction.
Is the inspection result normal?

YES

>> Perform Li-ion Battery ID Registration. Refer to “Li-ion Battery Registration Operation Manual”.

NO

>> Replace Li-ion battery. Refer to 

EVB-181, "Removal and Installation"

 (without Li-ion battery

heater) or 

EVB-181, "Removal and Installation"

 (with Li-ion battery heater).