Nissan Leaf. Manual — part 1186
TRACTION MOTOR INVERTER
TMS-25
< ECU DIAGNOSIS INFORMATION >
D
E
F
G
H
I
J
K
L
M
A
B
TMS
N
O
P
• Check them with vehicle side harness connector, removing traction motor inverter connector. Never
touch terminals of traction motor inverter side connector at this operation.
• If power switch is pushed ON with traction motor inverter connector removed, other control modules
might detect malfunction of traction motor inverter.
Fail-safe
INFOID:0000000010120913
Terminal No.
(Color)
Description
Condition
Value (Approx.)
+
−
Signal name
Input/
Output
14
(L)
—
EV system CAN-H
Input/
Output
—
—
15
(G)
—
EV system CAN-L
Input/
Output
—
—
18
(L)
17
(P)
Traction motor resolver
signal (S2 – S4)
Input
Power switch OFF
20 – 35
Ω
19
(R)
27
(G)
Traction motor resolver
signal (R1 – R2)
Output
Power switch OFF
8 – 15
Ω
20
(B)
21
(W)
Traction motor resolver
signal (S1 – S3)
Input
Power switch OFF
20 – 35
Ω
42
(LG)
Ground
Power ON power sup-
ply
—
Power switch ON
9 – 16 V
Power switch OFF
0 V
45
(Y)
44
(O)
Traction motor tempera-
ture sensor
Input
Power switch OFF
Within
± 50% of temperature characteristics diagram
46
(G)
Ground
12V battery power sup-
ply
—
Power switch ON
9 – 16 V
47
(B)
Ground GND
—
Always
0 V
48
(G)
Ground
12V battery power sup-
ply
—
Power switch ON
9 – 16 V
49
(B)
Ground GND
—
Always
0 V
JPCIA0030GB
DTC
Vehicle behavior
P0A1B
Any of the following statuses is observed.
• No impact to vehicle behavior
• Stops drive control of traction motor
• Stops drive control of traction motor, and requires system main relay OFF to VCM
• Limits the maximum torque of traction motor to 40% or less
P0A2C
Limits the maximum torque of traction motor to 40% or less
P0A2D
Limits the maximum torque of traction motor to 40% or less
P0A2F
Stops drive control of traction motor
P0A3F
Stops drive control of traction motor
TMS-26
< ECU DIAGNOSIS INFORMATION >
TRACTION MOTOR INVERTER
P0A44
Stops drive control of traction motor
P0A78
Stops drive control of traction motor
P0A8D
Stops drive control of traction motor, and requires system main relay OFF to VCM
P0BE5
Stops drive control of traction motor
P0BE6
Stops drive control of traction motor
P0BE9
Stops drive control of traction motor
P0BEA
Stops drive control of traction motor
P0C79
Stops drive control of traction motor
P318E
Either of the following statuses is observed.
• No impact to vehicle behavior
• Stops drive control of traction motor
P3193
No impact to vehicle behavior
P3197
Either of the following statuses is observed.
• Stops drive control of traction motor
• Limits the maximum torque of traction motor to 0%
P3199
Either of the following statuses is observed.
• No impact to vehicle behavior
• Stops drive control of traction motor
P319E
No impact to vehicle behavior
P31A2
Either of the following statuses is observed.
• Stops drive control of traction motor
• Limits the maximum torque of traction motor to 0%
P31A4
Either of the following statuses is observed.
• No impact to vehicle behavior
• Stops drive control of traction motor
P31A9
No impact to vehicle behavior
P31AD
Either of the following statuses is observed.
• Stops drive control of traction motor
• Limits the maximum torque of traction motor to 0%
P3240
Stops drive control of traction motor
P3241
Stops drive control of traction motor
P3242
Stops drive control of traction motor
P3243
Stops drive control of traction motor
P3244
No impact to vehicle behavior
P3245
No impact to vehicle behavior
P3247
Stops drive control of traction motor
P3249
Stops drive control of traction motor, and requires system main relay OFF to VCM
P324A
Stops drive control of traction motor
P324D
Stops drive control of traction motor
P3252
No impact to vehicle behavior
P325A
No impact to vehicle behavior
P325B
No impact to vehicle behavior
P325C
No impact to vehicle behavior
P325D
Limits the maximum torque of traction motor to 40% or less
P325E
No impact to vehicle behavior
P325F
No impact to vehicle behavior
U1000
No impact to vehicle behavior
DTC
Vehicle behavior
TRACTION MOTOR INVERTER
TMS-27
< ECU DIAGNOSIS INFORMATION >
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TMS
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Protection Control
INFOID:0000000010120914
When temperature of traction motor inverter or traction motor components rises, the traction motor inverter
temporarily enters a protective control state in order to protect the system. It automatically returns to the nor-
mal status if the safety is secured.
DTC Inspection Priority Chart
INFOID:0000000010120915
If some DTCs are displayed at the same time, perform inspections one by one based on the priority as per the-
following list.
Condition
Control
Normal return condition
Traction motor is overheated
Traction motor output torque is limited according to the
traction motor temperature.
Traction motor temperature drops
IGBT high temperatures seen when
traction motor speed is extremely low
IGBT switching frequency is reduced.
NOTE:
Traction motor electromagnetic noise increases.
• IGBT temperature drops
• Traction motor speed increases
IGBT is overheated
Traction motor output torque is limited according to the
IGBT temperature.
IGBT temperature drops
Priority
Detected items (DTC)
Reference
1
P0A8D 14VOLT POWER VOLTAGE
TMS-28
< ECU DIAGNOSIS INFORMATION >
TRACTION MOTOR INVERTER
DTC Index
INFOID:0000000010120916
NOTE:
If some DTCs are displayed at the same time, perform inspections one by one based on the priority as per the
following list. Refer to
TMS-27, "DTC Inspection Priority Chart"
2
P0A2C DRIVE MOTOR A TEMP SENSOR
P0A2D DRIVE MOTOR A TEMP SENSOR
P0A2F DRIVE MOTOR A OVER TEMPERATURE
P0A3F DRIVE MOTOR A POSITION SENSOR
P0A44 DRIVE MOTOR A OVER SPEED
P0A78 DRIVE MOTOR A INVERTER
P0C79 DRIVE MOTOR A INVERTER VOLTAGE
P318E CAN ERROR
P3193 CAN ERROR
P3197 CAN ERROR
P3199 CAN ERROR
P319E CAN ERROR
P31A2 CAN ERROR
P31A4 CAN ERROR
P31A9 CAN ERROR
P31AD CAN ERROR
P3241 DRIVE MOTOR A INVERTER CRNT CONT
P3244 DRIVE MOTOR A INVERTER
P3245 DRIVE MOTOR A INVERTER
P3247 DRIVE MOTOR A INVERTER
P3249 DRIVE MOTOR A INVERTER
P324A DRIVE MOTOR A INVERTER VOLTAGE
P324D DRIVE MOTOR A INVERTER IGBT
P3252 DRIVE MOTOR A INVERTER IGBT
P325A CAN ERROR
P325B DRIVE MOTOR A INVERTER
P325C DRIVE MOTOR A POSITION
P325D DRIVE MOTOR A POSITION
P325E DRIVE MOTOR A POSITION
P325F DRIVE MOTOR A POSITION
U1000 CAN COMM CIRCUIT
3
P0A1B DRIVE MOTOR A CONTROL MODULE
P0BE5 D-MOTOR A PHASE U CURRENT SEN
P0BE6 D-MOTOR A PHASE U CURRENT SEN
P0BE9 D-MOTOR A PHASE V CURRENT SEN
P0BEA D-MOTOR A PHASE V CURRENT SEN
P3242 D-MOTOR A PHASE U CURRENT SEN 2
P3423 D-MOTOR A PHASE V CURRENT SEN 2
4
P3240 DRIVE MOTOR A INVERTER CRNT CONT
Priority
Detected items (DTC)
Reference
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