Nissan Qashqai J11. Manual — part 968
C1166, C1167 SV SYSTEM
BRC-109
< DTC/CIRCUIT DIAGNOSIS >
[WITH ESP]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK SUCTION VALVE POWER SUPPLY CIRCUIT
1.
Turn the ignition switch OFF.
2.
Check 40 A fusible link (#K).
3.
Check continuity and short circuit between ABS actuator and electric unit (control unit) harness connector
terminal (1) and 40 A fusible link (#K).
Is the inspection result normal?
YES
>> Perform trouble diagnosis for battery power supply. Refer to
PG-11, "Wiring Diagram - BATTERY
NO
>> Repair or replace error-detected parts.
5.
CHECK SUCTION VALVE GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Check 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 ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness
connector.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-142, "Removal and Installa-
.
NO
>> Repair or replace error-detected parts.
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E18
1
Ground
10
−
16 V
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E36
13
Ground
Existed
26
BRC-110
< DTC/CIRCUIT DIAGNOSIS >
[WITH ESP]
C1170 VARIANT CODING
C1170 VARIANT CODING
DTC Logic
INFOID:0000000010329848
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULT
With
CONSULT.
1.
Turn ignition switch ON.
2.
Perform self-diagnostic result.
Is DTC C1170 detected?
YES
>> Proceed to diagnosis procedure. Refer to
BRC-110, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010329849
1.
REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Replace ABS actuator and electric unit (control unit) even if other DTCs are displayed with “VARIANT COD-
ING” in self diagnostic result.
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-142, "Removal and Installa-
.
DTC
Display Item
Malfunction detected condition
Possible causes
C1170
VARIANT CODING
When the information in ABS actuator and electric
unit (control unit) is not the same.
ABS actuator and electric unit
(control unit)
C1197 VACUUM SENSOR
BRC-111
< DTC/CIRCUIT DIAGNOSIS >
[WITH ESP]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1197 VACUUM SENSOR
DTC Logic
INFOID:0000000010329850
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULT
With
CONSULT.
1.
Turn the ignition switch ON.
2.
Perform self-diagnostic result.
Is DTC C1197 detected?
YES
>> Proceed to diagnosis procedure. Refer to
BRC-111, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010329851
Regarding Wiring Diagram information, refer to
1.
CHECK BRAKE BOOSTER
1.
Turn the ignition switch OFF.
2.
Check brake booster. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace brake booster. Refer to
.
2.
CHECK VACUUM PIPING
Check vacuum piping. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace vacuum piping. Refer to
.
3.
CHECK VACUUM SENSOR CIRCUIT
1.
Disconnect vacuum sensor harness connector.
2.
Disconnect ABS actuator and electric unit (control unit) harness connector.
3.
Check continuity between vacuum sensor harness connector and ABS actuator and electric unit (control
unit) harness connector.
4.
Check continuity between vacuum sensor harness connector and ground.
DTC
Display Item
Malfunction detected condition
Possible causes
C1197
VACUUM SENSOR
When a malfunction is detected in vacuum sensor.
• Harness or connector
• Vacuum sensor (brake booster)
• Vacuum piping
• ABS actuator and electric unit
(control unit)
Vacuum sensor
ABS actuator and electric unit (control unit)
Continuity
Connector
Terminal
Connector
Terminal
E51
1
E18
12
Yes
2
24
3
5
BRC-112
< DTC/CIRCUIT DIAGNOSIS >
[WITH ESP]
C1197 VACUUM SENSOR
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning components.
4.
CHECK TERMINAL
• Check vacuum sensor pin terminals for damage or loose connection with harness connector.
• Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with har-
ness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace malfunctioning components.
5.
REPLACE VACUUM SENSOR
With CONSULT
1.
Connect ABS actuator and electric unit (control unit) harness connector.
2.
Replace vacuum sensor.
CAUTION:
Always replace brake booster because vacuum sensor cannot be disassembled.
3.
Erase self-diagnosis result for “ABS”.
4.
Turn the ignition switch OFF.
5.
Start engine.
6.
Perform self-diagnosis for “ABS”.
Is DTC “C1197” detected?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-142, "Removal and Installa-
.
NO
>> Inspection End.
Vacuum sensor
—
Continuity
Connector
Terminal
E51
1
Ground
No
2
3
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