Infiniti QX56 (Z62). Manual — part 155
C1160 DECEL G SEN SET
BRC-105
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1160 DECEL G SEN SET
DTC Logic
INFOID:0000000006222628
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC DETECTION
With CONSULT-III.
1.
Turn the ignition switch OFF to ON.
2.
Perform self-diagnosis for “ABS”.
Is DTC “C1160” detected?
YES
>> Proceed to diagnosis procedure. Refer to
BRC-105, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006222629
1.
DECEL G SENSOR CALIBRATION
Perform decel G sensor calibration. Refer to
>> GO TO 2.
2.
CHECK ABS SCTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
With CONSULT-III.
Perform self-diagnosis for “ABS”.
Is DTC “C1160” detected?
YES
>> GO TO 3.
NO
>> INSPECTION END
3.
CHECK YAW RATE/SIDE/DECEL G SENSOR SYSTEM
1.
Turn the ignition switch OFF.
2.
Check yaw rate/side/decel G sensor system. Refer to
BRC-100, "Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-137, "Removal and Installa-
.
NO
>> Repair or replace error-detected parts.
DTC
Display Item
Malfunction detected condition
Possible causes
C1160
DECEL G SEN SET
When calibration of yaw rate/side/decal G sensor is
not complete.
• Yaw rate/side/decel G sensor
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Decel G sensor calibration is
not performed
BRC-106
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1164, C1165 CV SYSTEM
C1164, C1165 CV SYSTEM
DTC Logic
INFOID:0000000006222630
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC DETECTION
With CONSULT-III.
1.
Turn the ignition switch OFF to ON.
2.
Perform self-diagnosis for “ABS”.
Is DTC “C1164” or “C1165” detected?
YES
>> Proceed to diagnosis procedure. Refer to
BRC-106, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006222631
1.
CHECK CUT VALVE POWER SUPPLY
1.
Turn the ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) harness connector.
3.
Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
4.
Turn the ignition switch ON.
CAUTION:
Never start engine.
5.
Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK CUT VALVE POWER SUPPLY CIRCUIT
1.
Turn the ignition switch OFF.
2.
Check 30A fusible link (L).
3.
Check continuity and short circuit between ABS actuator and electric unit (control unit) harness connector
terminal (1) and 30A fusible link (L).
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.
3.
CHECK CUT VALVE GROUND CIRCUIT
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
• Battery power supply system
C1165
CV 2
When a malfunction is detected in cut valve 2.
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E36
1
Ground
Battery voltage
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E36
1
Ground
Battery voltage
C1164, C1165 CV SYSTEM
BRC-107
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
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 4.
NO
>> Repair or replace error-detected parts.
4.
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-137, "Removal and Installa-
.
NO
>> Repair or replace error-detected parts.
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E36
2
Ground
Existed
3
E37
48
BRC-108
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1166, C1167 SV SYSTEM
C1166, C1167 SV SYSTEM
DTC Logic
INFOID:0000000006222632
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC DETECTION
With CONSULT-III.
1.
Turn the ignition switch OFF to ON.
2.
Perform self-diagnosis for “ABS”.
Is DTC “C1166” or “C1167” detected?
YES
>> Proceed to diagnosis procedure. Refer to
BRC-108, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006222633
1.
CHECK SUCTION VALVE POWER SUPPLY
1.
Turn the ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) harness connector.
3.
Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
4.
Turn the ignition switch ON.
CAUTION:
Never start engine.
5.
Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK SUCTION VALVE POWER SUPPLY CIRCUIT
1.
Turn the ignition switch OFF.
2.
Check 30A fusible link (L).
3.
Check continuity and short circuit between ABS actuator and electric unit (control unit) harness connector
terminal (1) and 30A fusible link (L).
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.
3.
CHECK SUCTION VALVE GROUND CIRCUIT
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
• Battery power supply system
C1167
SV 2
When a malfunction is detected in suction valve 2.
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E36
1
Ground
Battery voltage
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E36
1
Ground
Battery voltage
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