NISSAN TIIDA 2008 Service Repair Manual

Page 771 of 2771

BRC-6
< SERVICE INFORMATION >[ABS]
SYSTEM DESCRIPTION
2. For EBD malfunction, the EBD and ABS become inoperative, and the condition of the vehicle is the same
as the condition of vehicles without ABS or EBD system.
Hydraulic Circuit DiagramINFOID:0000000001703829
SFIA3082E

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CAN COMMUNICATION
BRC-7
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CAN COMMUNICATION
System DescriptionINFOID:0000000001703830
Refer to LAN-6, &#34;System Description&#34;.

Page 773 of 2771

BRC-8
< SERVICE INFORMATION >[ABS]
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
How to Perform Trouble Diagnosis for Quick and Accurate RepairINFOID:0000000001703831
INTRODUCTION
The ABS system has an electronic control unit to control major func-
tions. The control unit accepts input signals from sensors and con-
trols actuator operation. It is also important to check for air leaks in
the booster or brake and vacuum lines, lack of brake fluid, or other
malfunctions in the brake system.
It is much more difficult to diagnose a malfunction that occurs inter-
mittently rather than continuously. Most intermittent conditions are
caused by poor electrical connections or damaged wiring. In this
case, careful checking of suspicious circuits may help prevent the
replacement of good parts.
A visual check only may not find the cause of the malfunction, so a
road test should be performed.
Before undertaking actual checks, take just a few minutes to talk with
a customer who approaches with an ABS complaint. The customer
is a very good source of information, especially for intermittent condi-
tions. Through the talks with the customer, find out what symptoms
are present and under what conditions they occur.
Start your diagnosis by looking for “conventional” malfunctions first.
This is one of the best ways to troubleshoot brake malfunctions on
an ABS equipped vehicle. Also check related Service Bulletins for
information.
SEF233G
SEF234G

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TROUBLE DIAGNOSIS
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WORK FLOW
CLARIFY CONCERN
AWFIA0086GB

Page 775 of 2771

BRC-10
< SERVICE INFORMATION >[ABS]
TROUBLE DIAGNOSIS
• A customer&#39;s description of a vehicle concern may vary depending
on the individual. It is important to clarify the customer&#39;s concern.
• Ask the customer about what symptoms are present under what
conditions. Use this information to reproduce the symptom while
driving.
• It is also important to use the diagnosis sheet to understand what
type of symptoms the customer is experiencing.
EXAMPLE OF DIAGNOSIS SHEET
SBR339B
SFIA3264E

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TROUBLE DIAGNOSIS
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Component Parts and Harness Connector LocationINFOID:0000000001703832
1. Front wheel sensor
LH E51
RH E522. Rear wheel sensor
LH B123
RH B1243. ABS actuator and electric unit (con-
trol unit) E33
4. Combination meter M24
WFIA0497E

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BRC-12
< SERVICE INFORMATION >[ABS]
TROUBLE DIAGNOSIS
Schematic
INFOID:0000000001703833
WFWA0418E

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TROUBLE DIAGNOSIS
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Wiring Diagram - ABS -INFOID:0000000001703834
WFWA0419E

Page 779 of 2771

BRC-14
< SERVICE INFORMATION >[ABS]
TROUBLE DIAGNOSIS
WFWA0420E

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TROUBLE DIAGNOSIS
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WFWA0421E

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