Nissan Quest E52. Instruction — part 242
C1110 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-61
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
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A
B
BRC
N
O
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C1110 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
DTC Logic
INFOID:0000000009651382
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition 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 ignition switch OFF to ON.
2.
Perform self-diagnosis for “ABS”.
Is DTC “C1110” detected?
YES
>> Proceed to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651383
1.
CHECK SELF-DIAGNOSIS RESULTS
Replace ABS actuator and electric unit (control unit) even if other display than “C1110” is displayed in self-
diagnosis for “ABS”.
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
DTC
Display Item
Malfunction detected condition
Possible causes
C1110
CONTROLLER FAILURE
When there is an internal malfunction in the ABS ac-
tuator and electric unit (control unit).
ABS actuator and electric unit
(control unit)
BRC-62
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1111 ABS MOTOR, MOTOR RELAY SYSTEM
C1111 ABS MOTOR, MOTOR RELAY SYSTEM
DTC Logic
INFOID:0000000009651384
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition 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 ignition switch OFF to ON.
2.
Perform self-diagnosis for “ABS”.
Is DTC “C1111” detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651385
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Check 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-DIAGNOSIS
Perform self-diagnosis for “ABS” again.
Is DTC “C1111” detected?
YES
>> GO TO 3.
NO
>> INSPECTION END
3.
CHECK ABS MOTOR AND MOTOR RELAY 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.
DTC
Display Item
Malfunction detected condition
Possible causes
C1111
PUMP MOTOR
When a malfunction is detected in motor or motor re-
lay.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Fusible link
• Battery power supply system
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E36
14
Ground
10
−
16 V
C1111 ABS MOTOR, MOTOR RELAY SYSTEM
BRC-63
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
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G
H
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K
L
M
A
B
BRC
N
O
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Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT
1.
Turn the ignition switch OFF.
2.
Check 30 A fusible link (#F).
3.
Check continuity and short circuit between ABS actuator and electric unit (control unit) harness connector
terminal (14) and 30 A fusible link (#F).
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 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 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-123, "Removal and Installa-
.
NO
>> Repair or replace error-detected parts.
ABS actuator and electric unit (control unit)
—
Voltage
Connector
Terminal
E36
14
Ground
10
−
16 V
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E36
13
Ground
Existed
26
BRC-64
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C1115 WHEEL SENSOR
C1115 WHEEL SENSOR
DTC Logic
INFOID:0000000009651386
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1.
Stat the engine.
2.
Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
3.
Stop the vehicle.
4.
Perform self-diagnosis for “ABS”.
Is DTC “C1115” detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651387
CAUTION:
For wheel sensor, never check between terminals.
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY SYSTEM
Check ABS actuator and electric unit (control unit) power supply system. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK TIRE
1.
Turn the ignition switch OFF.
2.
Check tire air pressure, wear and size. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Adjust air pressure or replace tire and GO TO 3.
3.
CHECK DATA MONITOR (1)
With CONSULT
1.
Erase self-diagnosis result for “ABS”.
2.
Turn the ignition switch OFF, and wait 10 seconds or more.
3.
Start the engine.
4.
Select “ABS” and “DATA MONITOR”, check “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”
and “RR RH SENSOR”.
NOTE:
DTC
Display Item
Malfunction detected condition
Possible causes
C1115
ABS SENSOR
[ABNORMAL SIGNAL]
When difference in wheel speed between any wheel
and others is detected the vehicle is driven, because
of installation of other tires than specified.
• Harness or connector
• Wheel sensor
• Sensor rotor
• ABS actuator and electric unit
(control unit)
• Tire
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