2010 NISSAN TIIDA motor

UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
STC-29
< SYMPTOM DIAGNOSIS > [EPS]
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UNBALANCE STEERING WHEEL TU RNING FORCE (TORQUE VARIA-
TION)
DescriptionINFOID:0000000005600203
Unbalance steering wheel turning force (torque variation).
Diagnosis ProcedureINFOID:0000000005600204
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when igni tion switch turns ON. Then, EPS warning lamp turns
OFF after the engine is started.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to STC-26, "
Diagnosis Procedure".
2.CHECK STEERING COLU MN AND STEERING GEAR
Check the steering column assembly and steering gear assembly.
• Steering column assembly. Refer to PS-9, "
Removal and Installation".
• Steering gear assembly. Refer to PS-12, "
Disassembly and Assembly".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the specific malfunctioning part.
3.CHECK EPS CONTROL UNIT SIGNAL
With CONSULT-III
1. Start the engine. CAUTION:
Stop the vehicle.
2. Turn steering wheel from full left stop to full right stop.
3. Select “TORQUE SENSOR” of “DATA MONITOR” for EPS control unit.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to STC-13, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the specific malfunctioning part.
5.CHECK STEERING WH EEL TURNING FORCE
Check the steering wheel turning force. Refer to PS-6, "
On-Vehicle Inspection and Service".
Is the inspection result normal?
YES >> Inspection End.
NO >> Check the steering wheel turning force for mechanical malfunction. Refer to PS-6, "
On-Vehicle
Inspection and Service".
Monitor item ConditionDisplay value
TORQUE SENSOR Steering wheel: Not steer-
ing (There is no steering
force)
Approx. 0 Nm
Steering wheel: Right turn Positive value (Nm)
Steering wheel: Left turn Negative value (Nm)
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ELECTRICAL
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CONTENTS
WIPER, WASHER & HORN
SERVICE INFORMATION .. ..........................2
PRECAUTION ................................................ .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
Precaution for Procedure without Cowl Top Cover ......3
PREPARATION ...................................................4
Special Service Tool ........................................... ......4
FRONT WIPER AND WASHER SYSTEM ..........5
Component Parts and Harness Connector Loca-
tion ...................................................................... ......
5
System Description ...................................................5
CAN Communication System Description .................7
Schematic .................................................................8
Wiring Diagram - WIPER - ........................................9
Terminal and Reference Value for BCM .................12
Terminal and Reference Value for IPDM E/R .........12
How to Proceed with Trouble Diagnosis .................12
Preliminary Check ...................................................12
CONSULT-III Function (BCM) .................................12
CONSULT-III Function (IPDM E/R) .........................13
Front Wiper Does Not Operate ...............................14
Front Wiper Does Not Return to Stop Position (Af-
ter Front Wiper Operates for 10 Seconds, They
Stop for 20 Seconds, and After Repeating the Op-
eration Five Times, They Become Inoperative) ......
16
Only Front Wiper Low Does Not Operate ...............17
Only Front Wiper High Does Not Operate ...............18
Only Front Wiper Intermittent Does Not Operate ....19
Front Wiper Intermittent Operation Switch Posi-
tion Cannot Be Adjusted .........................................
19
Wiper Does Not Wipe When Front Washer Oper-
ates .........................................................................
20
Front Wiper Does Not Stop .....................................20
Removal and Installation of Front Wiper Arms ........20
Adjustment of Wiper Arm Stop Location .............. ....21
Removal and Installation of Front Wiper Drive As-
sembly .....................................................................
21
Removal and Installation of Front Washer Nozzle ....22
Inspection for Washer Nozzle ..................................22
Washer Nozzle Adjustment ................................. ....23
Washer Tube Layout ...............................................23
Removal and Installation of Front Wiper and
Washer Switch .........................................................
24
Inspection of Front Wiper and Washer Switch Cir-
cuit ...........................................................................
24
Removal and Installation of Washer Tank ...............24
Removal and Installation of Front Washer Motor ....25
REAR WIPER AND WASHER SYSTEM ..........26
Component Parts and Harness Connector Loca-
tion ....................................................................... ....
26
System Description ..................................................26
Wiring Diagram - WIP/R - ........................................28
Terminal and Reference Value for BCM ..................30
How to Proceed with Trou ble Diagnosis ..................30
Preliminary Check ............................................... ....30
CONSULT-III Function (BCM) .................................30
Rear Wiper Does Not Operate ............................ ....30
Rear Wiper Stop Position Is Incorrect .....................31
Only Rear Wiper Does Not Operate ........................33
Only Rear Wiper Intermittent Does Not Operate .....33
Wiper Does Not Wipe When Rear Washer Oper-
ates ..........................................................................
33
Removal and Installation .........................................33
Washer Nozzle Adjustment .....................................36
POWER SOCKET .............................................37
Wiring Diagram - P/SCKT - .....................................37
Removal and Installation .........................................37
HORN ................................................................39
Wiring Diagram - HORN - ........................................39
Removal and Installation .........................................39
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FRONT WIPER AND WASHER SYSTEM
Component Parts and Har ness Connector LocationINFOID:0000000005395054
System DescriptionINFOID:0000000005395055
• Front wiper relays (front wiper relay, front wiper high relay) are located in the IPDM E/R (intelligent power
distribution module engine room).
• Wiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input terminals.
Terminal combination status is read by BCM (body control module) when switch is turned ON.
• BCM controls front wiper LO, HI, and INT (intermittent) operation.
• IPDM E/R operates wiper motor accordi ng to CAN communication signals from BCM.
OUTLINE
Power is supplied at all times• to ignition relay, located in IPDM E/R, from battery directly,
• through 40A fusible link (letter g, located in fuse and fusible link box)
• to BCM terminal 70,
• through 30A fuse (No. 39, located in IPDM E/R)
• to front wiper relay located in IPDM E/R
• through 15A fuse (No. 52, located in IPDM E/R), and
• through 20A fuse (No. 53, located in IPDM E/R)
• to CPU located in IPDM E/R.
When ignition switch is in ON or START position, power is supplied • through ignition relay (located in IPDM E/R)
• to front wiper relay (located in IPDM E/R), and
1. IPDM E/R E45, E46 and E48 2. BCM M18 and M20 (view with glove
box removed)3. Front wiper motor E1
(view with cowl
top cover removed)
4. Front and rear washer motor E2 (view with front bumper fascia re-
moved) 5. Combination switch (wiper switch)
M28 : Front
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FRONT WIPER AND WASHER SYSTEM
• to front wiper high relay (located in IPDM E/R), and
• to CPU (located in IPDM E/R),
• through 10A fuse [No. 6, located in fuse block (J/B)]
• to BCM terminal 38,
• through 15A fuse [No. 4, located in fuse block (J/B)]
• to combination switch terminal 14.
Ground is supplied
• to IPDM E/R terminals 39 and 59, and
• to front wiper motor terminal 2
• through grounds E15 and E24
• to BCM terminal 67, and
• to combination switch terminal 12
• through grounds M57 and M61.
LOW SPEED WIPER OPERATION
When the front wiper switch is in LO position, the BCM detects the low speed wiper ON signal by means of the
BCM wiper switch reading function.
The BCM sends a front wiper request signal (LO) through the CAN communication line
• from BCM terminals 39 and 40
• to IPDM E/R terminals 40 and 41.
When the IPDM E/R receives front wiper request signal (LO) , it turns ON front wiper relay, located in IPDM E/
R, power is supplied
• through IPDM E/R terminal 33 and front wiper high relay and front wiper relay
• to front wiper motor terminal 3.
Ground is supplied
• to front wiper motor terminal 2
• through grounds E15 and E24.
With power and ground is supplied, front wiper motor operates at low speed.
HIGH SPEED WIPER OPERATION
When the front wiper switch is in HI position, the BCM detects a high speed wiper ON signal by means of the
BCM wiper switch reading function.
The BCM sends a front wiper request signal (HI) through the CAN communication line
• from BCM terminals 39 and 40
• to IPDM E/R terminals 40 and 41.
When the IPDM E/R receives front wiper request signal (HI), it turns ON front wiper relay and front wiper high
relay, located in IPDM E/R, power is supplied
• through IPDM E/R terminal 32
• to front wiper motor terminal 5.
Ground is supplied
• to front wiper motor terminal 2
• through grounds E15 and E24.
With power and ground is supplied, front wiper motor operates at high speed.
INTERMITTENT OPERATION
Wiper intermittent operation delay interval is determined from the intermittent wiper dial position inputs. During
each intermittent operation delay interval, the BCM s ends a front wiper request signal to the IPDM E/R to
operate the wipers.
When the ignition switch is in the ON or START position, and the front wiper switch is turned to the intermittent
position, the BCM detects a front wiper (intermittent) ON signal by means of the BCM wiper switch reading
function.
BCM then sends front wiper (intermittent) request signal through the CAN communication lines
• from BCM terminals 39 and 40
• to IPDM E/R terminals 40 and 41.
When BCM determines that combination switch status is front wiper intermittent ON, it performs the following
operations.
• BCM detects ON/OFF status of intermittent wiper dial position
• BCM calculates operation interval from wiper dial position.
• BCM sends a front wiper request signal (INT) to IPDM E/R at calculated operation interval.
When IPDM E/R receives the front wiper request signal (INT), it supplies ground to energize the front wiper
relay. It then sends auto-stop signal to the BCM and conducts intermittent front wiper motor operation.
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AUTO STOP OPERATION
With wiper switch turned OFF, wiper motor will cont inue to operate until wiper arms reach windshield base.
When the wiper arms are not located at base of wi ndshield with wiper switch OFF, ground is supplied
• from IPDM E/R terminal 33
• to front wiper motor terminal 3, in order to continue wiper motor operation at low speed.
When the wiper arms reach base of windshield, front wiper motor terminals 4 and 2 are connected, and
ground is supplied
• to IPDM E/R terminal 38
• through front wiper motor terminals 4 and 2, and
• through grounds E15 and E24.
Then the IPDM E/R sends auto stop operation signal to BCM with CAN communication line.
When the BCM receives auto-stop operation signal, BCM sends wiper stop signal to IPDM E/R with CAN com-
munication line.
IPDM E/R stops wiper motor. Wiper motor wi ll then stop wiper arms at the STOP position.
WASHER OPERATION
When the wiper switch is in front wiper washer positi on, BCM detect front wiper washer signal by BCM combi-
nation switch reading function. Refer to BCS-4, "
System Description" .
Combination switch power is supplied• through combination switch terminal 14
• to washer motor terminal 1.
Ground is supplied• to front washer motor terminal 2
• through combination switch terminal 11, and
• through combination switch terminal 12
• through grounds M57 and M61.
With ground supplied, front washer motor is operated.
When the BCM detects that front washer motor has operated for 0.4 seconds or longer, BCM operates front
wiper motor for low speed.
When the BCM detects washer switch is OFF, low speed operation cycles approximately 2 times and stops.
MIST OPERATION
When the wiper switch is turned to the mist position, wiper low speed operation cycles once and then stops.
For additional information about wiper operation under th is condition, refer to "LOW SPEED WIPER OPERA-
TION" .
If switch is held in mist posit ion, low speed operation continues.
FAIL-SAFE FUNCTION
If an abnormality occurs in CAN communications, IPDM E/ R holds the condition just before fail-safe status is
initiated until ignition switch is turned OFF. (If wipers we re operating in LO just before the initiation of fail-safe
status, they continue to operate in LO until ignition switch is turned OFF.)
COMBINATION SWITCH READING FUNCTION
Refer to BCS-4, "System Description" .
CAN Communication System DescriptionINFOID:0000000005395056
Refer to LAN-7, "System Description".
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FRONT WIPER AND WASHER SYSTEM
Front Wiper Does Not Operate
INFOID:0000000005395065
CAUTION:
• During IPDM E/R fail-safe control, fr ont wipers may not operate. Refer to PG-17, "
System Descrip-
tion" in “PG IPDM E/R” to make sure that it is not in fail-safe status.
1.ACTIVE TEST
With CONSULT-lIl
1. Select “IPDM E/R” on CONSULT-III, and sele ct “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3. Touch “LO” or “HI” screen.
Without CONSULT-lIl
Start up auto active test. Refer to PG-20, "
Auto Active Test" .
Does front wiper operate normally?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK CIRCUIT BETWEEN COMB INATION SWITCH AND BCM
With CONSULT-llI
1. Select “BCM” on CONSULT-III, and sele ct “WIPER” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE ” screen. Make sure that “FR WIPER INT”, “FR
WIPER LOW”, and “FR WIPER HI” turn ON-OFF according to wiper switch operation.
Without CONSULT-lIl
Refer to LT-66, "
Combination Switch Inspection" .
OK or NG
OK >> GO TO 3.
NG >> Check combination switch (wiper switch). Refer to LT-66, "
Combination Switch Inspection" .
3.CHECK CIRCUIT BETWEEN IPDM E/R AND BCM
Select “BCM” on CONSULT-III, and perform self-diagnosis for “BCM”.
Displayed self
-diagnosis results
NO DTC>>Replace BCM. Refer to BCS-19, "Removal and Installation of BCM" .
CAN COMM CIRCUIT>>Check CAN communi cation line of BCM. Refer to BCS-18, "
CAN Communication
Inspection Using CONSULT-III (Self-Diagnosis)" .
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front wiper motor.
3. Check continuity between front wiper motor connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness.
5.CHECK FRONT WIPER CIRCUIT
1. Disconnect IPDM E/R.
Test item CONSULT-III screen display Description
Front wiper (HI, LO) output FRONT WIPER With a certain operation (OFF, HI ON,
LO ON), front wiper relay (Lo, Hi)
can be operated.
Front wiper mo- tor connector Te r m i n a l
GroundContinuity
E1 2 Yes
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2. Check continuity between IPDM E/R connector (A) and front wiper motor connector (B).
3. Check continuity between IPDM E/R connector (A) and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness.
6.CHECK IPDM E/R
With CONSULT-lIl
1. Connect IPDM E/R.
2. Turn ignition switch ON.
3. Select “IPDM E/R” by CONSULT-III, and sele ct “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
5. Touch “LO” or “HI” screen.
6. Check voltage between IPDM E/R connector and ground while
front wiper (HI, LO) is operating.
Without CONSULT-llI1. Connect IPDM E/R.
2. Turn ignition switch ON.
3. Start auto active test. Refer to PG-20, "
Auto Active Test" .
4. Check voltage between IPDM E/R connector and gr ound while front wiper (HI, LO) is operating.
OK or NG
AB Continuity
Connector Terminal Connector Terminal
E45 32
E1 5
Ye s
33 3
A GroundContinuity
Connector Terminal
E45 32
No
33
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Te r m i n a l
ConditionVo l ta g e
(Approx.)
(+)
(-)
IPDM E/R
connector Te r m i n a l
E45 33
GroundStopped 0V
LO operation Battery voltage
32 Stopped 0V
HI operation Battery voltage
Te r m i n a l ConditionVol tag e
(Approx.)
(+)
(-)
IPDM E/R
connector Te r m i n a l
E45 33
GroundStopped 0V
LO operation Battery voltage
23 Stopped 0V
HI operation Battery voltage
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FRONT WIPER AND WASHER SYSTEM
OK >> Replace front wiper motor. Refer to WW-21, "Removal and Installation of Front Wiper Drive
Assembly" .
NG >> Replace IPDM E/R. Refer to PG-28, "
Removal and Installation of IPDM E/R" .
Front Wiper Does Not Return to Stop Positi on (After Front Wiper Operates for 10 Sec-
onds, They Stop for 20 Second s, and After Repeating the Operation Five Times, They
Become Inoperative)
INFOID:0000000005395066
CAUTION:
• When auto-stop signal has not varied for 10 seconds or longer while IPDM E/R is operating front wip-
ers, IPDM E/R considers that front wipers are locked, and stops wiper output. That causes this symp-
tom.
• This status can be checked by “DATA MONITOR” of “IPDM E/R” on which “WIPER PROT” item
shows “BLOCK”.
1.CHECK FRONT WIPER STOP SIGNAL
With CONSULT-lIl
Select “IPDM E/R” on CONSULT-III. With “DATA MONITOR”, make sure that “WIP AUTO STOP” turns “ACT
P” - “STOP P” linked with wiper operation.
Without CONSULT-llI
GO TO 2.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and Installation of IPDM E/R" .
NG >> GO TO 2.
2.CHECK IPDM E/R
1. Turn ignition switch ON.
2. Check voltage between IPDM E/R connector and ground while front wiper motor is stopped and while it is operating.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and Installation of IPDM E/R" .
NG >> GO TO 3.
3.CHECK FRONT WIPER AUTO STOP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and wiper motor.
3. Check continuity between IPDM E/R connector (A) and front wiper motor connector (B).
4. Check continuity between IPDM E/R harness connector (A) and
ground.
Te r m i n a l
ConditionVo l ta g e
(Approx.)
(+)
(-)
IPDM E/R
connector Te r m i n a l
E46 38 Ground Wiper stopped 0V
Wiper operating Battery voltage
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AB Continuity
Connector Terminal Connector Terminal
E46 38E1 4Yes
A GroundContinuity
Connector Terminal
E46 38 No
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