Nissan Frontier D22. Instruction — part 168
BRC-3
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BRC
Come On When Ignition Switch Is Turned On . ..115
Inspection 21 VDC OFF Switch Is Inoperative . ..116
Inspection 22 CAN-LAN Converter Power Supply
Circuit . . . . . . . . . . . . . . . . . 117
Inspection 23 CAN CIRCUIT 1 - CAN Communi-
cation System Failure . . . . . . . . . . . 119
Inspection 24 CAN-LAN Converter (CLC) Control
Unit . . . . . . . . . . . . . . . . . . 119
Inspection 25 ABS Warning Lamp Does Not Come
On When Ignition Switch Is Turned On . . . . .119
Inspection 26 When "DECEL G-SENSOR" Appears
on Self-Diagnosis Results Display . . . . . ... 121
Inspecting Components . . . . . . . . . ... 121
VDC OFF SWITCH . . . . . . . . . . .. 121
Symptom 1 ABS Works Frequently . . . . . .. 122
Symptom 2 Unexpected Pedal Reaction . . . . 122
Symptom 3 Long Stopping Distance . . . . . 123
Symptom 4 ABS Does Not Work . . . . . . . 123
Symptom 5 Pedal Vibration and Noise . . . . 124
Symptom 6 Vehicle Behaves Jerkily During VDC/
TCS/ABS Operation . . . . . . . . . . . . 125
Symptom 7 Poor Acceleration . . . . . . . .. 126
REMOVAL AND INSTALLATION . . . . . . ... 128
REMOVAL . . . . . . . . . . . . . . . 128
INSTALLATION . . . . . . . . . . . . . 129
Rear Sensor Rotor . . . . . . . . . . . . 129
REMOVAL . . . . . . . . . . . . . . . 129
INSTALLATION . . . . . . . . . . . . . 129
ABS Actuator and Electric Unit . . . . . . . . 130
REMOVAL . . . . . . . . . . . . . . . 130
INSTALLATION . . . . . . . . . . . . . 130
BRC-4
[ABS]
PRECAUTIONS
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EFS003GF
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
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To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
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Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
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Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Brake System
EFS003GG
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Recommended fluid is brake fluid “DOT 3”.
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Never reuse drained brake fluid.
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Be careful not to splash brake fluid on painted areas such as body. If brake fluid is splashed, wipe it off
and flush area with water immediately.
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Never use mineral oils such as gasoline or kerosene to clean. They will ruin rubber parts and cause
improper operation.
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Using a flare nut torque wrench, securely tighten brake tube
flare nuts.
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Brake system is an important safety part. If a brake fluid leak is
detected, always disassemble the affected part. If a malfunction
is detected, replace part with a new one.
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Before working, turn ignition switch OFF and disconnect electri-
cal connectors of ABS actuator and electric unit (control unit) or
battery terminals.
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When installing brake piping, be sure to check torque.
Wiring Diagrams and Trouble Diagnosis
EFS003GH
When you read wiring diagrams, refer to the following:
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GI-13, "How to Read Wiring Diagrams"
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When you perform trouble diagnosis, refer to the following:
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GI-9, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"
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GI-25, "How to Perform Efficient Diagnosis for an Electrical Incident"
Check for any Service bulletins before servicing the vehicle.
Precautions for Brake Control
EFS003GI
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During ABS operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.
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Just after starting vehicle after ignition switch ON, brake pedal may vibrate or motor operating noise may
be heard from engine compartment. This is a normal status of operation check.
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Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
SBR686C
PRECAUTIONS
BRC-5
[ABS]
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BRC
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When an error is indicated by ABS or another warning lamp, collect all necessary information from cus-
tomer (what symptoms are present under what conditions) and check for simple causes before starting
diagnostic servicing. Besides electrical system inspection, check booster operation, brake fluid level, and
oil leaks.
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If tire size and type are used in an improper combination, or brake pads are not Genuine NISSAN parts,
stopping distance or steering stability may deteriorate.
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If there is a radio, antenna, or antenna lead-in wire (including wiring) near control module, ABS function
may have a malfunction or error.
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If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness
pinches, open circuits, and improper wiring.
BRC-6
[ABS]
PREPARATION
PREPARATION
PFP:00002
Special Service Tools
EFS003GJ
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools
EFS003GK
Tool number
(Kent-Moore No.)
Tool name
Description
KV40106500
(JS25852-B)
Wheel bearing puller
Removing rear wheel sensor rotor
(J-45741)
ABS active wheel sensor tester
Checking operation of ABS active wheel sen-
sor
NT724
WFIA0101E
Tool name
Description
1 Flare nut crowfoot
2 Torque wrench
Removing and installing each brake piping
a: 10 mm (0.39 in)
Rear wheel sensor rotor drift
Installing rear wheel sensor rotor
a: 75 mm (2.95 in) dia.
b: 63 mm (2.48 in) dia.
NT360
NT509
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