Nissan Leaf. Manual — part 449
P3031-P303C CELL CONTROLLER ASIC
EVB-79
< DTC/CIRCUIT DIAGNOSIS >
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P3031-P303C CELL CONTROLLER ASIC
DTC Logic
INFOID:0000000010121063
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 any DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121064
1.
PERFORM THE SELF-DIAGNOSIS OF LI-ION BATTERY CONTROLLER
With CONSULT
1. Select “Self Diagnostic Result” of “HV BAT”.
2. Check to see if “P3030” is detected simultaneously with “P3031 -P303C”.
Is P3030 detected?
YES
>> Perform diagnosis on the detected P3030. Refer to
NO
>> Replace Li-ion battery controller. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal
.
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P3031
CELL CONT ASIC1
A malfunction occurs with the communication function
in Li-ion battery controller.
Li-ion battery controller
P3032
CELL CONT ASIC2
P3033
CELL CONT ASIC3
P3034
CELL CONT ASIC4
P3035
CELL CONT ASIC5
P3036
CELL CONT ASIC6
P3037
CELL CONT ASIC7
P3038
CELL CONT ASIC8
P3039
CELL CONT ASIC9
P303A
CELL CONT ASIC10
P303B
CELL CONT ASIC11
P303C
CELL CONT ASIC12
EVB-80
< DTC/CIRCUIT DIAGNOSIS >
P303D-P3048 CELL CONTROLLER ASIC
P303D-P3048 CELL CONTROLLER ASIC
DTC Logic
INFOID:0000000010121065
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 any DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121066
1.
PERFORM THE SELF-DIAGNOSIS OF LI-ION BATTERY CONTROLLER
With CONSULT
1. Select “Self Diagnostic Result” of “HV BAT”.
2. Check to see if “P3030” is detected simultaneously with “P303D” -“P3048”.
Is P3030 detected?
YES
>> Perform diagnosis on the detected P3030. Refer to
NO
>> Replace Li-ion battery controller. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal
.
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P303D
CELL CONT ASIC13
A malfunction occurs with the communication function
in Li-ion battery controller.
Li-ion battery controller
P303E
CELL CONT ASIC14
P303F
CELL CONT ASIC15
P3040
CELL CONT ASIC16
P3041
CELL CONT ASIC17
P3042
CELL CONT ASIC18
P3043
CELL CONT ASIC19
P3044
CELL CONT ASIC20
P3045
CELL CONT ASIC21
P3046
CELL CONT ASIC22
P3047
CELL CONT ASIC23
P3048
CELL CONT ASIC24
P3049-P3054 CELL CONTROLLER ASIC VOLTAGE
EVB-81
< DTC/CIRCUIT DIAGNOSIS >
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P3049-P3054 CELL CONTROLLER ASIC VOLTAGE
DTC Logic
INFOID:0000000010121067
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 any DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121068
1.
PERFORM THE SELF-DIAGNOSIS OF LI-ION BATTERY CONTROLLER
With CONSULT
1. Select “Self Diagnostic Result” of “HV BAT”.
2. Check DTC.
Is any DTC detected?
YES-1 >> “P3302” - “P3331” are detected simultaneously.
• When “P3302” - “P330D” are detected simultaneously, perform the diagnosis procedure of
“P3302” - “P330D”. Refer to
EVB-108, "Diagnosis Procedure"
• When “P330E” - “P3319” are detected simultaneously, perform the diagnosis procedure of
“P330E” - “P3319”. Refer to
EVB-112, "Diagnosis Procedure"
• When “P331A” - “P3325” are detected simultaneously, perform the diagnosis procedure of
“P331A” - “P3325”. Refer to
EVB-116, "Diagnosis Procedure"
• When “P3326” - “P3331” are detected simultaneously, perform the diagnosis procedure of
“P3326” - “P3331”. Refer to
EVB-119, "Diagnosis Procedure"
YES-2 >> “P3375” - “P33A4” are detected simultaneously.
• When “P3375” - “P3380” are detected simultaneously, perform the diagnosis procedure of
“P3375” - “P3380”. Refer to
EVB-122, "Diagnosis Procedure"
.
• When “P3381” - “P338C” are detected simultaneously, perform the diagnosis procedure of
“P3381” - “P338C”. Refer to
EVB-126, "Diagnosis Procedure"
• When “P338D” - “P3398” are detected simultaneously, perform the diagnosis procedure of
“P338D” - “P3398”. Refer to
EVB-130, "Diagnosis Procedure"
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P3049
CELL CONT ASIC1 VOLT
The A/D converter in Li-ion battery controller is malfunc-
tioning.
• Li-ion battery controller
• Module
• Harness or connector
P304A
CELL CONT ASIC2 VOLT
P304B
CELL CONT ASIC3 VOLT
P304C
CELL CONT ASIC4 VOLT
P304D
CELL CONT ASIC5 VOLT
P304E
CELL CONT ASIC6 VOLT
P304F
CELL CONT ASIC7 VOLT
P3050
CELL CONT ASIC8 VOLT
P3051
CELL CONT ASIC9 VOLT
P3052
CELL CONT ASIC10 VOLT
P3053
CELL CONT ASIC11 VOLT
P3054
CELL CONT ASIC12 VOLT
EVB-82
< DTC/CIRCUIT DIAGNOSIS >
P3049-P3054 CELL CONTROLLER ASIC VOLTAGE
• When “P3399” - “P33A4” are detected simultaneously, perform the diagnosis procedure of
“P3399” - “P33A4”. Refer to
EVB-133, "Diagnosis Procedure"
NO
>> When only “P3049” - “P3054” are detected, replace Li-ion battery controller. Refer to
"LI-ION BATTERY CONTROLLER : Removal and Installation"
.
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