Nissan Leaf. Manual — part 1190
P0A1B DRIVE MOTOR A CONTROL MODULE
TMS-41
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
TMS
N
O
P
DTC/CIRCUIT DIAGNOSIS
P0A1B DRIVE MOTOR A CONTROL MODULE
DTC Logic
INFOID:0000000010120922
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always power switch OFF and wait
at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Check DTC.
Is “P0A1B” detected?
YES
>> Go to
.
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010120923
1.
REPLACE TRACTION MOTOR INVERTER
Replace the traction motor inverter. Refer to
TMS-103, "Removal and Installation"
.
>> END
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible cause
P0A1B
DRIVE MOTOR A CONTROL MODULE
(Drive Motor “A” Control Module)
A malfunction is detected in the traction
motor inverter (motor controller)
Traction motor inverter
TMS-42
< DTC/CIRCUIT DIAGNOSIS >
P0A2C DRIVE MOTOR A TEMP SENSOR
P0A2C DRIVE MOTOR A TEMP SENSOR
DTC Logic
INFOID:0000000010120924
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always power switch OFF and wait
at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Check DTC.
Is “P0A2C” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
.
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010120925
1.
CHECK TRACTION MOTOR INVERTER HARNESS CONNECTOR
1. Power switch OFF.
2. Check the connection conditions of the traction motor inverter harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
CHECK TRACTION MOTOR HARNESS CONNECTOR
Check the connection conditions of the traction motor harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK TRACTION MOTOR TEMPERATURE SENSOR CIRCUIT
1. Disconnect the traction motor inverter harness connector.
2. Check the resistance between traction motor inverter vehicle side harness connector terminals and
ground.
Is the inspection result normal?
YES
>> GO TO 4.
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible causes
P0A2C
DRIVE MOTOR A TEMP SENSOR
(Drive Motor “A” Temperature Sen-
sor Circuit Low)
Traction motor temperature sensor sig-
nal interruption for 2 seconds or more
• Harness or connectors
(Each circuit is open or shorted.)
• Traction motor
• Traction motor Inverter
Traction motor inverter
Ground
Resistance
Connector
Terminal
F13
44
Ground
200 k
Ω or more
45
P0A2C DRIVE MOTOR A TEMP SENSOR
TMS-43
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
TMS
N
O
P
NO
>> Repair or replace damaged parts.
4.
CHECK TRACTION MOTOR TEMPERATURE SENSOR CIRCUIT
1. Disconnect the traction motor harness connector.
2. Check the resistance between traction motor inverter vehicle side harness connector terminals and trac-
tion motor vehicle side harness connector terminals.
3. Check the harness for short.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace damaged parts.
5.
CHECK TRACTION MOTOR TEMPERATURE SENSOR
Check the traction motor temperature sensor. Refer to
TMS-43, "Component Inspection (Traction Motor Tem-
.
Is the inspection result normal?
YES
>> Replace the traction motor inverter. Refer to
TMS-103, "Removal and Installation"
.
NO
>> Replace the traction motor. Refer to
TMS-109, "Removal and Installation"
Component Inspection (Traction Motor Temperature Sensor)
INFOID:0000000010120926
1.
CHECK TRACTION MOTOR TEMPERATURE SENSOR
Check the resistance between traction motor connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the traction motor due to malfunction in the traction motor temperature sensor. Refer to
TMS-109, "Removal and Installation"
.
Traction motor inverter
Traction motor
Resistance
Connector
Terminal
Connector
Terminal
F13
44
F14
4
1
Ω or less
45
3
Traction motor inverter
Traction motor
Resistance
Connector
Terminal
Connector
Terminal
F13
44
F14
3
100 k
Ω or more
45
4
Traction motor connector
Resistance
Terminal
3
4
Within
± 50% of temperature characteristics diagram
JPCIA0030GB
TMS-44
< DTC/CIRCUIT DIAGNOSIS >
P0A2D DRIVE MOTOR A TEMP SENSOR
P0A2D DRIVE MOTOR A TEMP SENSOR
DTC Logic
INFOID:0000000010120927
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always power switch OFF and wait
at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Check DTC.
Is “P0A2D” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
.
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010120928
1.
CHECK TRACTION MOTOR INVERTER HARNESS CONNECTOR
1. Power switch OFF.
2. Check the connection conditions of the traction motor inverter harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
CHECK TRACTION MOTOR HARNESS CONNECTOR
Check the connection conditions of the traction motor harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK TRACTION MOTOR TEMPERATURE SENSOR CIRCUIT
1. Disconnect the traction motor inverter harness connector.
2. Check the resistance between traction motor inverter vehicle side harness connector terminals and
ground.
Is the inspection result normal?
YES
>> GO TO 4.
DTC
CONSULT screen terms
(Trouble diagnosis content)
Malfunction detected condition
Possible causes
P0A2D
DRIVE MOTOR A TEMP SENSOR
(Drive Motor “A” Temperature Sen-
sor Circuit High)
A maximum value signal from the trac-
tion motor temperature sensor is detect-
ed for 2 seconds or more
• Harness or connectors
(Each circuit is open or shorted.)
• Traction motor
• Traction motor Inverter
Traction motor inverter
Ground
Resistance
Connector
Terminal
F13
44
Ground
200 k
Ω or more
45
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