Nissan Leaf. Manual — part 179
ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT
BR-37
< ECU DIAGNOSIS INFORMATION >
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DTC Inspection Priority Chart
INFOID:0000000010122996
When multiple DTCs are displayed simultaneously, check them one by one according to the following priority
list.
U1000
The following function is suspended.
• Cooperative regenerative brake control
• hill start assist function
U1010
U1510
U1511
The following functions are suspended.
• Power supply from the brake power supply backup unit
DTC
Vehicle condition
Priority
Detected item (DTC)
1
• U1000 CAN COMM CIRCUIT
• U1010 CONTROL UNIT (CAN)
• U1510 BRAKE CONTROL COMMUNICATION
• U1511 POWER SUPPLY BACKUP UNIT COMM
2
• C1A60 CONTROL MODULE
• C1A6B POWER SUPPLY BACKUP UNIT
• C1A80 CONTROL MODULE-2
• C1A81 CONTROL MODULE-3
• C1A82 CONTROL MODULE-4
• C1A83 CONTROL MODULE-5
• C1A84 CONTROL MODULE-6
• C1A85 CONTROL MODULE-7
• C1A86 CONTROL MODULE-8
• C1A87 CONTROL MODULE-9
• C1A88 CONTROL MODULE-10
• C1A89 CONTROL MODULE-11
• C1A8A CONTROL MODULE-12
• C1A8B CONTROL MODULE-13
• C1AC8 POWER SUPPLY BACKUP UNIT-2
3
• C1A6E EV/HEV SYSTEM
• C1A6F TCM/VCM SYSTEM
• C1A70 BRAKE CONTROL SYSTEM
• C1A74 ST ANG SEN CIRCUIT
4
• C1A61 MOTOR POWER SUPPLY
• C1A62 CONTROL MODULE POWER SUPPLY
• C1A63 BACKUP POWER SUPPLY
• C1A6C POWER SUPPLY BACKUP UNIT VOLT
• C1A90 POWER SUPPLY MODE
• C1A91 IGNITION POWER SUPPLY
• C1A98 BACKUP POWER SUPPLY-2
• C1A99 BACKUP POWER SUPPLY-3
• C1A9A BACKUP POWER SUPPLY-4
• C1AD0 POWER SUP BACKUP UNIT VOLT-2
5
• C1A65 STROKE SENSOR SET
• C1A67 STOP LAMP SWITCH
• C1A69 MOTOR
• C1A6D POWER SUPPLY BACKUP UNIT OUTPUT
• C1AA0 STROKE SENSOR-2
• C1AA1 STROKE SENSOR-3
• C1AA2 STROKE SENSOR-4
• C1AA3 STROKE SENSOR-5
• C1AA9 PRESSURE SENSOR
• C1AB8 MOTOR-2
• C1AB9 MOTOR-3
• C1ABA MOTOR-4
• C1AC0 CONTROL MODULE TEMP-2
• C1AC1 CONTROL MODULE TEMP-3
BR-38
< ECU DIAGNOSIS INFORMATION >
ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT
DTC Index
INFOID:0000000010122997
DTC
Display item
Brake warning lamp
Brake system warning
lamp
Refer to
C1A60
CONTROL MODULE
ON
ON
C1A61
MOTOR POWER SUPPLY
ON
ON
C1A62
CONTROL MODULE POWER SUPPLY
ON
ON
C1A63
BACKUP POWER SUPPLY
OFF
ON
C1A65
STROKE SENSOR SET
ON
ON
C1A67
STOP LAMP SWITCH
OFF
ON
C1A69
MOTOR
ON
ON
C1A6B
POWER SUPPLY BACKUP UNIT
OFF
ON
C1A6C
POWER SUPPLY BACKUP UNIT VOLT
OFF
ON
C1A6D
POWER SUPPLY BACKUP UNIT OUTPUT
OFF
OFF
C1A6E
EV/HEV SYSTEM
OFF
ON
C1A6F
TCM/VCM SYSTEM
OFF
ON
C1A70
BRAKE CONTROL SYSTEM
OFF
ON
C1A74
ST ANG SEN CIRCUIT
OFF
ON
C1A80
CONTROL MODULE-2
ON
ON
C1A81
CONTROL MODULE-3
ON
ON
C1A82
CONTROL MODULE-4
ON
ON
C1A83
CONTROL MODULE-5
ON
ON
C1A84
CONTROL MODULE-6
ON
ON
C1A85
CONTROL MODULE-7
ON
ON
C1A86
CONTROL MODULE-8
ON
ON
C1A87
CONTROL MODULE-9
ON
ON
C1A88
CONTROL MODULE-10
ON
ON
C1A89
CONTROL MODULE-11
ON
ON
C1A8A
CONTROL MODULE-12
ON
ON
C1A8B
CONTROL MODULE-13
OFF
ON
C1A90
POWER SUPPLY MODE
OFF
OFF
C1A91
IGNITION POWER SUPPLY
OFF
ON
C1A98
BACKUP POWER SUPPLY-2
OFF
ON
C1A99
BACKUP POWER SUPPLY-3
OFF
ON
C1A9A
BACKUP POWER SUPPLY-4
OFF
ON
C1AA0
STROKE SENSOR-2
ON
ON
C1AA1
STROKE SENSOR-3
ON
ON
C1AA2
STROKE SENSOR-4
ON
ON
C1AA3
STROKE SENSOR-5
ON
ON
C1AA9
PRESSURE SENSOR
OFF
ON
C1AB8
MOTOR-2
OFF
ON
C1AB9
MOTOR-3
ON
ON
C1ABA
MOTOR-4
ON
ON
C1AC0
CONTROL MODULE TEMP-2
OFF
ON
C1AC1
CONTROL MODULE TEMP-3
ON
ON
ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT
BR-39
< ECU DIAGNOSIS INFORMATION >
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C1AC8
POWER SUPPLY BACKUP UNIT-2
OFF
OFF
C1AD0
POWER SUP BACKUP UNIT VOLT-2
OFF
OFF
U1000
CAN COMM CIRCUIT
OFF
ON
U1010
CONTROL UNIT (CAN)
OFF
ON
U1510
BRAKE CONTROL COMMUNICATION
OFF
ON
U1511
POWER SUPPLY BACKUP UNIT COMM
OFF
ON
DTC
Display item
Brake warning lamp
Brake system warning
lamp
Refer to
BR-40
< WIRING DIAGRAM >
BRAKE SYSTEM
WIRING DIAGRAM
BRAKE SYSTEM
Wiring Diagram
INFOID:0000000010122998
AAFWA0129GB
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