Nissan Leaf. Instruction — part 332
BRC-118
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1155 BRAKE FLUID LEVEL SWITCH
Component Inspection
INFOID:0000000010120085
1.
CHECK BRAKE FLUID LEVEL SWITCH
1. Turn the power switch OFF.
2. Disconnect brake fluid level switch harness connector.
3. Check the continuity between terminals of brake fluid level switch.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace electrically-driven intelligent brake unit. Refer to
BR-510, "Removal and installation"
.
Brake fluid level switch
Condition
Continuity
Terminal
1 – 2
When brake fluid level in reservoir tank is within the specified level.
No
When brake fluid level in reservoir tank is less than the specified level.
Yes
C1164, C1165 CV SYSTEM
BRC-119
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1164, C1165 CV SYSTEM
DTC Logic
INFOID:0000000010120086
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn power switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “C1164” or “C1165” detected?
YES
>> Proceed to
BRC-119, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120087
Regarding Wiring Diagram information. Refer to
1.
CHECK CONNECTOR
1. Turn the power switch OFF.
2. Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts, securely lock the connector, and GO TO 2.
2.
PERFORM SELF DIAGNOSTIC (1)
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result” of “ABS”.
Is any “C1164” or “C1165” detected?
YES
>> GO TO 3.
DTC
Display Item
Malfunction detected condition
Possible causes
C1164
CV 1
When a malfunction is detected in cut valve 1.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Fusible link
• 12V battery power supply sys-
tem
C1165
CV 2
When a malfunction is detected in cut valve 2.
BRC-120
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1164, C1165 CV SYSTEM
NO
>> Inspection End.
3.
CHECK CUT VALVE POWER SUPPLY
1. Turn the power switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.
4. Turn the power switch ON.
CAUTION:
Never set the vehicle to READY.
5. Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK CUT VALVE POWER SUPPLY CIRCUIT
1. Turn the power switch OFF.
2. Check the 50A fusible link (#J).
3. Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness con-
nector terminal (2) and 50A fusible link (#J).
Is the inspection result normal?
YES
>> Perform trouble diagnosis for 12V battery power supply. Refer to
.
NO
>> Repair or replace error-detected parts.
5.
CHECK CUT VALVE GROUND CIRCUIT
1. Turn the power switch OFF.
2. Check the continuity between ABS actuator and electric unit (control unit) harness connector and the
ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK TERMINAL
Check the ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with har-
ness connector.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-162, "Removal and Installa-
.
NO
>> Repair or replace error-detected parts.
ABS actuator and electric unit (control unit)
—
Voltage
(Approx.)
Connector
Terminal
E35
2
Ground
Battery voltage
ABS actuator and electric unit (control unit)
—
Voltage
(Approx.)
Connector
Terminal
E35
2
Ground
Battery voltage
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E35
3
Ground
Yes
4
C1166, C1167 SV SYSTEM
BRC-121
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1166, C1167 SV SYSTEM
DTC Logic
INFOID:0000000010120088
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn power switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “C1166” or “C1167” detected?
YES
>> Proceed to
BRC-121, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120089
Regarding Wiring Diagram information. Refer to
1.
CHECK CONNECTOR
1. Turn the power switch OFF.
2. Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts, securely lock the connector, and GO TO 2.
2.
PERFORM SELF DIAGNOSTIC (1)
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result” of “ABS”.
Is any “C1166” or “C1167” detected?
YES
>> GO TO 3.
DTC
Display Item
Malfunction detected condition
Possible causes
C1166
SV 1
When a malfunction is detected in suction valve 1.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Fusible link
• 12V battery power supply sys-
tem
C1167
SV 2
When a malfunction is detected in suction valve 2.
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