Nissan Frontier D22. Instruction — part 197
TROUBLE DIAGNOSIS
BRC-119
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
Inspection 23 CAN CIRCUIT 1 - CAN Communication System Failure
EFS003IU
DTC C1174
1.
INSPECTION START
Check self-diagnosis results.
Do self-diagnosis results indicate anything other than the above?
YES
>> Perform repair or replacement for the item indicated.
NO
>> Refer to
BRC-106, "Inspection 12 CAN Communications
Inspection 24 CAN-LAN Converter (CLC) Control Unit
EFS003IV
1.
INSPECTION START
Check self-diagnosis results.
Do self-diagnosis results indicate anything other than the above?
YES
>> Perform repair or replacement for the item indicated.
NO
>> Replace CAN-LAN converter. Refer to
BRC-131, "CAN-LAN Converter (CLC)"
. Perform self-
diagnosis again.
Inspection 25 ABS Warning Lamp Does Not Come On When Ignition Switch Is
Turned On
EFS003IW
1.
INSPECTION START
Warning lamp circuit inspection.
>> GO TO 2.
Self-diagnosis results
CONSULT-II display items
CAN CIRCUIT 1
LFIA0170E
Self-diagnosis results
CONSULT-II display items
CLC CONTROL UNIT
LFIA0162E
BRC-120
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
2.
CHECK FUSE
Check 10A fuse [No. 11 located in the fuse block (J/B)]. For fuse layout, refer to
.
OK or NG?
OK
>> GO TO 3.
NG
>> Replace fuse.
3.
CHECK POWER SUPPLY CIRCUIT
1.
Install 10A fuse.
2.
Disconnect ABS actuator and electric unit (control unit) connector.
3.
Turn ignition switch ON.
4.
Check voltage between ABS actuator and electric unit (control
unit) connector E39 terminal 44 (L/W) and ground.
OK or NG?
OK
>> GO TO 5.
NG
>> GO TO 4.
4.
CHECK INDICATOR BULB
Check indicator lamp bulb.
OK or NG?
OK
>> Repair harness or connectors between fuse and ABS actuator and electric unit (control unit) ter-
minal 44 (including combination meter).
NG
>> Replace combination meter.
5.
CHECK CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) and combination meter connectors.
3.
Check continuity between ABS actuator and electric unit (control
unit) connector E39 terminal 44 (L/W) and combination meter
connector M38 terminal 24 (L/W).
Battery voltage should exist.
LFIA0184E
Continuity should exist.
LFIA0185E
TROUBLE DIAGNOSIS
BRC-121
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
OK or NG?
OK
>> Reconnect connectors and perform self-diagnosis. Repair or replace.
NG
>>
●
Check harness connectors E39, M38
●
Harness for open or short between ABS actuator and electric unit (control unit) and combina-
tion meter
Inspection 26 When "DECEL G-SENSOR" Appears on Self-Diagnosis Results
Display
EFS003IX
DTC 1113
1.
CHECKING SELF-DIAGNOSIS RESULTS (1)
Check self-diagnosis results.
Does anything besides "DECEL G-SENSOR" appear on self-diagnosis results display?
YES
>> Inspect and repair the indicated items. Then perform self-diagnosis again.
NO
>> Perform calibration of decel G-sensor. Refer to
BRC-55, "Calibration of Decel G Sensor"
2.
CHECKING SELF-DIAGNOSIS RESULTS (2)
Turn ignition switch OFF and ON to erase self-diagnosis results and perform VDC/TCS/ABS self-diagnosis.
Does anything appear on self-diagnosis results display?
YES
>> Replace decel G-sensor. Refer to
BRC-131, "Yaw Rate/Side/Decel G Sensor"
. Then perform cal-
ibration of decel G-sensor and self-diagnosis again. Refer to
BRC-55, "Calibration of Decel G
NO
>> Inspection is completed.
Inspecting Components
EFS003IY
VDC OFF SWITCH
●
Remove VDC OFF switch. Check continuity between terminals
1 and 2 as follows.
Self-diagnosis results
CONSULT-II display items
DECEL G-SENSOR
Switch condition:
Continuity
Pressed
: Yes
Released
: No
LFIA0154E
BRC-122
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Symptom 1 ABS Works Frequently
EFS003IZ
Inspection Procedure
1.
STARTING INSPECTION
Inspect wheel sensor system.
●
Sensor mounting inspection
●
Sensor pick-up inspection for iron chips
●
Sensor rotor inspection (e.g. Number of teeth, damaged teeth)
●
Sensor connector engagement inspection
Is inspection result OK?
OK
>> GO TO 2.
NG
>> Repair wheel sensor and rotor system.
2.
CHECKING FOR LOOSENESS
Check for looseness of front axle.
Is inspection result OK?
OK
>> GO TO
BRC-122, "Symptom 2 Unexpected Pedal Reaction"
NG
>> Axle inspection and repair.
Symptom 2 Unexpected Pedal Reaction
EFS003J0
Inspection Procedure
1.
BRAKE PEDAL STROKE INSPECTION
Check brake pedal stroke.
Is stroke excessively long?
YES
>> Check bleeding and brake system.
NO
>> GO TO 2.
2.
CHECKING PEDAL FORCE
Check that brake is effective with pedal depressed.
Is pedal heavy, but effective?
YES
>> Normal.
NO
>> GO TO 3.
3.
CONNECTOR AND PERFORMANCE INSPECTION
Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS function. Check that
brake is effective.
Is brake effective?
YES
>> GO TO 4.
NO
>> Brake line inspection.
4.
CHECKING ABS WARNING LAMP INDICATION
Check that ABS warning lamp illuminates.
Is inspection result OK?
OK
>> Perform self-diagnosis.
NG
>> GO TO 5.
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