steering NISSAN TIIDA 2009 Service Repair Manual

STC-22< SERVICE INFORMATION >
[EPS]
TROUBLE DIAGNOSIS FOR SYMPTOMS
5. Turn ignition switch “OFF”.
6. Check voltage between EPS control unit harness connector (A) terminals and ground.
7. Connect EPS control unit harness connector.
OK or NG OK >> GO TO 3.
NG >> Check the following. If any items are damaged, repair or replace damaged parts.
• 60 A fusible link (No. m, located in the fuse and fusible link block). Refer to PG-3 .
• 10 A fuse [No. 2, located in the fuse block (J/B)]. Refer to PG-3 .
• Harness for short or open between battery and EPS control unit harness connector M54 termi-
nal 17.
• Harness for short or open between ignition switch and EPS control unit harness connector M53 terminal 10. 3.
CHECK EPS CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect EPS control unit harness connector.
3. Check continuity between EP S control unit harness connector
(A) terminal and ground.
Also check harness for short to power.
4. Connect EPS control unit harness connector.
OK or NG OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. 4.
CHECK EPS CONTROL UNIT
Check EPS control unit input/output signal. Refer to STC-9, " EPS Control Unit Input/Output Signal Reference
Value " .
OK or NG OK >> GO TO 5.
NG >> Check EPS control unit pin terminals for dam age or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts. 5.
SYMPTOM CHECK
Check again.
OK or NG OK >>
INSPECTION END
NG >> Replace combination meter. Refer to DI-19, " Removal and Installation " .
Steering Wheel Turning Fo rce Is Heavy or Light INFOID:0000000004307309
SYMPTOM:
Steering wheel turning force is heavy or light, while driving.
DIAGNOSTIC PROCEDURE 1.
CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to STC-11, " CONSULT-III F
unction (EPS) " .
Connector Terminal Voltage
M53 10 – Ground Approx. 0 V
M54 17 – Ground Battery voltage SGIA1627E
Connector Terminal Continuity
M54 18 YES SGIA1628E

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Is the “ CAN COMM CIRCUIT [U1000] ” displayed?
YES >> Perform trouble diagnosis for CAN communication line. Refer to
STC-19, " DTC U1000 CAN
COMM CIRCUIT " .
NO-1 >> With ABS: GO TO 2.
NO-2 >> Without ABS: GO TO 3. CONSULT-III
Function (ABS) " .
Is any malfunction detected by self-diagnosis? YES >> Check the malfunctioning system.
NO >> GO TO 4. CONSULT-III Function (TRANSMISSION) " .
Is any malfunction detected by self-diagnosis? YES >> Check the malfunctioning system.
NO >> GO TO 4. CONSULT-III Function (METER/M&A) " .
Is any malfunction detected by self-diagnosis? YES >> Check the malfunctioning system.
NO >> GO TO 5. CONSULT-III Function (ENGINE) " (MR TYPE 1),
EC-1116," CONSULT-III Function (ENGINE) " (MR TYPE 2) or
EC-103, " CONSULT-III Function " (HR16DE).
Is any malfunction detected by self-diagnosis? YES >> Check the malfunctioning system.
NO >> GO TO 6. DTC C1606 EPS MOTOR " .
OK or NG OK >> GO TO 7.
NG >> Repair or replace damaged parts. EPS Control Unit Input/Output Signal Reference
Value " .
OK or NG OK >> GO TO 8.
NG >> Check EPS control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts. OK >>
INSPECTION END
NG >> Check the steering wheel turning force because there may be mechanical malfunction. Refer to PS-6, " On-Vehicle Inspection and Service " .
Unbalance Steering Wheel Turning Forc e and Return Between Right and Left
INFOID:0000000004307310
SYMPTOM:

YES >> GO TO 2.
NO >> Go to STC-21, " EPS Warning Lamp Does Not Turn OFF " .
Wheel Alignment Inspection " .
OK or NG OK >> GO TO 3.
NG >> Adjust wheel alignment. Refer to FSU-7, " Wheel Alignment Inspection " .
EPS Control Unit Input/Output Signal Reference
Value " .
OK or NG OK >> GO TO 4.
NG >> Check EPS control unit pin terminals for dam age or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts. OK >>
INSPECTION END
NG >> Check the steering wheel turning force because there may be mechanical malfunction. Refer to
PS-6, " On-Vehicle Inspection and Service " .
Unbalance Steering Wheel Turn ing Force (Torque Variation) INFOID:0000000004307311
SYMPTOM:
Unbalance steering wheel turning for ce, while driving (Torque variation).
DIAGNOSTIC PROCEDURE YES >> GO TO 2.
NO >> Go to STC-21, " EPS Warning Lamp Does Not Turn OFF " .
Removal and Installation " .
OK or NG OK >> GO TO 3.
NG >> Repair or replace damaged parts. EPS Control Unit Input/Output Signal Reference
Value " .
OK or NG OK >> GO TO 4.
NG >> Check EPS control unit pin terminals for dam age or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.

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INSPECTION END
NG >> Check the steering wheel turning force because there may be mechanical malfunction. Refer to PS-6, " On-Vehicle Inspection and Service " .

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CONTENTS
ROAD WHEELS & TIRES
SERVICE INFORMATION .. ..........................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary fo r Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
Commercial Service Tool .................................... ......4
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ........................ .....5
NVH Troubleshooting Chart ................................ ......5
ROAD WHEEL ............................................... .....6
Inspection ............................................................ ......6
ROAD WHEEL TIRE ASSEMBLY ................. .....7
Balancing Wheels ............................................... ......7
Rotation ............................................................... ......7
TIRE PRESSURE MONITORING SYSTEM ... .....8
System Component ............................................. ......8
System Description ............................................. ......8
CAN COMMUNICATION ................................ ....10
System Description ............................................. ....10
TROUBLE DIAGNOSES ................................ ....11
Wiring Diagram- T/WARN - ................................. ....11
Terminal and Reference Value for BCM ............. ....11
ID Registration Procedure ................................... ....12 Transmitter Wake Up Oper
ation ..............................13
CONSULT-III Function (B CM) .................................13
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ................................................... ....
14
Preliminary Check ............................................... ....15
Self-Diagnosis (With CONSULT-III) .................... ....16
Self-Diagnosis (Without CONSULT-III) ............... ....17
TROUBLE DIAGNOSIS FOR SELF-DIAG-
NOSTIC ITEMS ................................................. 19
Data from Transmitter Not Being Received ......... ....19
Transmitter Malfunction ....................................... ....19
Transmitter Pressure Malf unction ............................20
Vehicle Speed Signal .......................................... ....20
Vehicle Ignition Signal ......................................... ....21
TROUBLE DIAGNOSIS FOR SYMPTOMS ...... 22
Low Tire Pressure Warning Lamp Does Not Come
On When Ignition Switch Is Turned On ............... ....
22
Low Tire Pressure Warnin g Lamp Stays On When
Ignition Switch Is Turned On ............................... ....
22
Low Tire Pressure Warning Lamp Flashes When
Ignition Switch Is Turned On ............................... ....
23
Hazard Warning Lamps Flash When Ignition
Switch Is Turned On ............................................ ....
24
ID Registration Cannot Be Completed ....................24
REMOVAL AND INSTALLATION ..................... 25
Transmitter (Pressure Sens or) ................................25
SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................. 27
Road Wheel ......................................................... ....27
Tire ...................................................................... ....27

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5. When the repair work is completed, return the ignition switch to the
″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of al l control units using CONSULT-III.

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NOISE, VIBRATION AND HARSHN
ESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart INFOID:0000000004307315
Use the chart below to help you find t he cause of the symptom. If necessary, repair or replace these parts.
× : Applicable
Reference pageFAX-6WT-6WT-7WT-27WT-6WT-7WT-27WT-27
FAX-5, "
NVH Troubleshooting Chart
",
FSU-6, "
NVH Troubleshooting Chart
"
RAX-4, "
NVH Troubleshooting Chart
",
RSU-5, "
NVH Troubleshooting Chart
"
Refer to TIRES in this chart
Refer to ROAD WHEELS in this chart
FAX-5, "
NVH Troubleshooting Chart
"
BR-5, "
NVH Troubleshooting Chart
"
PS-5, "
NVH Troubleshooting Chart
" Possible cause and SUSPECTED PARTS
Improper installation, looseness
Out-of-round
Imbalance
Incorrect tire pressure
Uneven tire wear
Deformation or damage
Non-uniformity
Incorrect tire size
FRONT AXLE AND FRONT SUSPENSION
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEELS
DRIVE SHAFT
BRAKE
STEERING
Symptom TIRES Noise
× × × × × × × × × × × × ×
Shake × × × × × × × × × × × × ×
Vibration × × × × × ×
Shimmy × × × × × × × × × × × × ×
Shudder × × × × × × × × × × × ×
Poor quality ride
or handling × × × × × × × × × ×
ROAD WHEELS Noise
× × × × × × × × × ×
Shake × × × × × × × × × ×
Shimmy, Shud-
der × × × × × × × × ×
Poor quality ride
or handling × × × × × × ×

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Removal and Installation of
Front Wiper and Washer Switch INFOID:0000000004306930
REMOVAL 1. Remove the steering column cover. Refer to IP-11 .
2. Disconnect the wiper and washer switch connector.
3. Pull wiper and washer switch (1) toward the passenger door while pressing pawls (A) in direction shown by the arrow, and
remove it from the base.
INSTALLATION Installation is in the reverse order of removal.
Inspection of Front Wiper and Washer Switch Circuit INFOID:0000000004306931
Refer to LT-63, " Combination Switch Inspection " .
Removal and Installation of Washer Tank INFOID:0000000004306932
REMOVAL 1. Remove the front grille. Refer to EI-21, " Removal and Installation " .
2. Remove clip (A) and pull washer tank inlet (1) out of washer tank.
• : Vehicle front
3. Remove the front bumper. Refer to EI-15, " Removal and Installation " .
4. Disconnect the washer motor connector and washer fluid level sensor connector.
5. Remove the washer tank screw (A). • : Vehicle front
6. Remove the washer tube (1), and remove washer tank (2) from the vehicle.
• : Vehicle front 1. Washer nozzle LH 2. Washer nozzle RH 3. Joint washer tube
4. Washer tube 5. Clip 6. Clamp
7. Washer tank