Nissan Leaf. Manual - part 453

P30E2 DLC DIAGNOSIS HVAC

EVB-95

< DTC/CIRCUIT DIAGNOSIS >

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P30E2 DLC DIAGNOSIS HVAC

DTC Logic

INFOID:0000000010121083

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 P30E2 detected?

YES

>> Refer to 

EVB-95, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010121084

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 “P30E2” is detected. 
Is P30E2 detected?

YES

>> Replace A/C auto amp.. Refer to 

HAC-187, "Removal and Installation"

 (With heat pump) or 

HAC-

347, "Removal and Installation"

 (Without heat pump).

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 “P30E2”.
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

P30E2

DLC DIAGNOSIS HVAC

When no CAN communication signal is received from A/
C auto amp. continuously for 2 seconds or more.

• CAN communication line
• Li-ion battery controller
• A/C auto amp.

EVB-96

< DTC/CIRCUIT DIAGNOSIS >

P30E3 DLC DIAGNOSIS MC

P30E3 DLC DIAGNOSIS MC

DTC Logic

INFOID:0000000010121085

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 P30E3 detected?

YES

>> Refer to 

EVB-96, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010121086

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 “P30E3” is detected. 
Is P30E3 detected?

YES

>> Replace traction motor inverter. Refer to 

TMS-103, "Removal and Installation"

.

NO

>> GO TO 2.

2.

PERFORM 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 “P30E3”.
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

P30E3

DLC DIAGNOSIS MC

When no CAN communication signal is received from 
traction motor inverter continuously for 2 seconds or 
more.

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

P30E4 DLC DIAGNOSIS PDM(POWER DELIVERY MODULE)

EVB-97

< DTC/CIRCUIT DIAGNOSIS >

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P30E4 DLC DIAGNOSIS PDM(POWER DELIVERY MODULE)

DTC Logic

INFOID:0000000010121087

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 P30E4 detected?

YES

>> Refer to 

EVB-97, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010121088

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 “P30E4” is detected. 
Is P30E4 detected?

YES

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

VC-112, "Removal and Installation"

.

NO

>> GO TO 2.

2.

PERFORM 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 “P30E4”.
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

P30E4

DLC DIAGNOSIS PDM 
(Power Delivery Module)

When no CAN communication signal is received from 
PDM (Power Delivery Module) continuously for 2 sec-
onds or more.

• CAN communication line
• Li-ion battery controller
• PDM (Power Delivery Module)

EVB-98

< DTC/CIRCUIT DIAGNOSIS >

P30FC OVER CURRENT

P30FC OVER CURRENT

DTC Logic

INFOID:0000000010121089

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 P30FC detected?

YES

>> Refer to 

EVB-98, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010121090

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 any DTC is detected. 
Is any DTC detected?

YES

>> After performing trouble diagnosis of detected DTC, GO TO 2. 

NO

>> GO TO 2.

2.

CHECK BATTERY TEMPERATURE SENSOR

With CONSULT

Using FFD, check the values of three temperature sensors when DTC is detected.

Is there temperature increase?

Temperature increase is seen>>Replace Li-ion battery. Refer to 

EVB-181, "Removal and Installation"

.

Temperature increase is not seen>>Replace battery junction box. Refer to 

EVB-201, "LI-ION BATTERY

CONTROLLER : Removal and Installation"

.

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

P30FC

OVER CURRENT

When the temperature of the entire battery pack estimat-
ed from the current value is excessively high.

• Battery current sensor
• Other systems malfunction

Monitor item

Condition

Limit

Battery temperature sensor 1

Power switch ON

55

°C (131°F) or less

Battery temperature sensor 2

Battery temperature sensor 4