Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Armada 2004-2009 Approved Nissan Armada 2006 WW
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K ELECTRICAL
A
SECTION
WIPER, WASHER & HORN
WW B
C
D
E
CONTENTS
PRECAUTION ........................................................... 3 . Cannot Be Adjusted ............................................... 28 . F
Precautions for Supplemental Restraint System Wipers Do Not Wipe When Front Washer Operates 28 ...
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Front Wipers Operate For 10 Seconds, Stop For 20
SIONER" ................................................................. 3
. Seconds, And After Repeating This Operation Five G
FRONT WIPER AND WASHER SYSTEM ................. 4 . Times, They Become Inoperative .......................... 28 .
Components Parts and Harness Connector Loca- Front Wiper Arms .................................................. 30 .
tion .......................................................................... 4
. REMOVAL AND INSTALLATION ....................... 30 .
H
System Description ................................................. 4 . FRONT WIPER ARM ADJUSTMENT ................ 30 .
LOW SPEED WIPER OPERATION ..................... 5 . Wiper Motor and Linkage ...................................... 31 .
HI SPEED WIPER OPERATION .......................... 5 . REMOVAL AND INSTALLATION ....................... 31 .
INTERMITTENT OPERATION ............................. 5 . REMOVAL .......................................................... 31 . I
AUTO STOP OPERATION ................................... 6 . INSTALLATION .................................................. 31 .
FRONT WASHER OPERATION .......................... 6 . Washer Nozzle Adjustment ................................... 31 .
MIST OPERATION ............................................... 6 . Washer Tube Layout ............................................. 32 . J
FAIL-SAFE FUNCTION ........................................ 6 . Wiper and Washer Switch ..................................... 32 .
COMBINATION SWITCH READING FUNCTION 7 ..... REMOVAL AND INSTALLATION ....................... 32 .
CAN Communication System Description ............... 7 . INSTALLATION .................................................. 32 .
WW
Schematic ............................................................... 8
. Washer Fluid Reservoir ......................................... 32 .
Wiring Diagram -- WIPER -- ................................. 9 . REMOVAL AND INSTALLATION ....................... 32 .
Terminals and Reference Values for BCM ............ 12 . Washer Motor ........................................................ 33 .
Terminals and Reference Values for IPDM E/R .... 13 . REMOVAL AND INSTALLATION ....................... 33 . L
Work Flow ............................................................. 13. INSTALLATION .................................................. 33 .
Preliminary Inspection ........................................... 13 . REAR WIPER AND WASHER SYSTEM ................. 34 .
INSPECTION FOR POWER SUPPLY AND Components Parts and Harness Connector Loca- M
GROUND CIRCUIT ............................................ 13 . tion ......................................................................... 34
.
CONSULT-II Function (BCM) ................................ 15 . System Description ................................................ 34 .
CONSULT-II OPERATION ................................. 15 . REAR WIPER OPERATION ............................... 35 .
WORK SUPPORT .............................................. 16 . INTERMITTENT OPERATION ........................... 36 .
DATA MONITOR ................................................ 16 . AUTO STOP OPERATION ................................. 36 .
ACTIVE TEST .................................................... 18 . REAR WASHER OPERATION ........................... 36 .
CONSULT-II Function (IPDM E/R) ........................ 18 . BCM WIPER SWITCH READING FUNCTION ... 37
CONSULT-II OPERATION ................................. 18 . Wiring Diagram -- WIP/ R -- ................................ 38 .
DATA MONITOR ................................................ 19 . Terminals and Reference Values for BCM ............. 40 .
ACTIVE TEST .................................................... 20 . How to Proceed With Trouble Diagnosis ............... 42 .
Front Wiper Does Not Operate ............................. 20 . Preliminary Check ................................................. 42 .
Front Wiper Stop Position Is Incorrect ................... 23 . INSPECTION FOR POWER SUPPLY AND
Only Front Wiper Low Does Not Operate ............. 24 . GROUND CIRCUIT ............................................ 42 .
Only Front Wiper High Does Not Operate ............. 26 . CONSULT-II Function (BCM) ................................ 44 .
Only Front Wiper Intermittent Does Not Operate ... 27 CONSULT-II OPERATION .................................. 44 .
Front Wiper Intermittent Operation Switch Position DATA MONITOR ................................................ 45 .
Revision: October 2006 WW-1 2006 Armada
ACTIVE TEST .................................................... 45
. REMOVAL AND INSTALLATION ........................53 .
Rear Wiper Does Not Operate .............................. 46 . INSTALLATION ..................................................53 .
Rear Wiper Stop Position Is Incorrect .................... 48 . Removal and Installation ........................................53 .
Only Rear Wiper Does Not Operate ...................... 49 . REAR WIPER AND WASHER SWITCH .............53 .
Only Rear Wiper Intermittent Does Not Operate ... 50 WASHER FLUID RESERVOIR ...........................54 .
Wiper Does Not Wipe When Rear Washer Operates 50 ... WASHER MOTOR ..............................................54 .
Rear Wiper Arm ..................................................... 51
. POWER SOCKET ....................................................55 .
REMOVAL AND INSTALLATION ........................ 51 . Wiring Diagram -- P/SCKT -- ...............................55 .
INSTALLATION ................................................... 51
. Power Socket LH and Rear Cargo Power Socket...56
Rear Wiper Motor .................................................. 52
. REMOVAL AND INSTALLATION ........................56 .
REMOVAL AND INSTALLATION ........................ 52 . Front Power Socket RH and Console Power Socket ...56
REMOVAL .......................................................... 52
. REMOVAL AND INSTALLATION ........................56 .
INSTALLATION .................................................. 52
. HORN .......................................................................57
.
Rear Washer Nozzle Adjustment ........................... 52 . Wiring Diagram -- HORN -- .................................57 .
Rear Washer Tube Layout ..................................... 53 . Horn .......................................................................58
.
Rear Washer Nozzle .............................................. 53
. REMOVAL AND INSTALLATION ........................58 .
Revision: October 2006 WW-2 2006 Armada
PRECAUTION
PRECAUTION PFP:00011
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS00AXY
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
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 C
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: D
G 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. E
G 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. F
G Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
G
H
I
J
WW
L
M
Revision: October 2006 WW-3 2006 Armada
FRONT WIPER AND WASHER SYSTEM
FRONT WIPER AND WASHER SYSTEM PFP:28810
Components Parts and Harness Connector Location EKS00AY0
WKIA5719E
1. IPDM E/R 2. Air cleaner case 3. Front and rear washer motor connec-
E118, E119, E120, E121, E122, E123, tor
E124 E105
4. Washer fluid reservoir 5. Front wiper motor 6. Combination switch (wiper switch)
E23 M28
7. BCM M18, M20
System Description EKS00AY1
G Both front wiper relays are located in the IPDM E/R (intelligent power distribution module engine room).
G The wiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input ter-
minals. Terminal combination status is read by the BCM (body control module) when the wiper switch is
turned ON.
G BCM controls front wiper LO, HI, and INT (intermittent) operation.
G IPDM E/R operates the wiper motor according to CAN communication signals from the BCM.
Power is supplied at all times
G to ignition relay, located in the IPDM E/R, and
G through 50A fusible link (letter f , located in the fuse and fusible link box)
G to BCM terminal 70, and
G through 30A fuse (No. 39, located in the IPDM E/R)
G to front wiper relay (located in the IPDM E/R).
With the ignition switch in ON or START position, power is supplied
G to ignition relay, located in the IPDM E/R, and
G through 10A fuse (No. 9, located in the fuse block J/B)
G to combination switch terminal 14, and
G through 10A fuse (No. 59, located in the fuse and relay box)
Revision: October 2006 WW-4 2006 Armada
FRONT WIPER AND WASHER SYSTEM
G to BCM terminal 38.
Ground is supplied A
G to BCM terminal 67 and
G to combination switch terminal 12
B
G through grounds M57, M61 and M79, and
G to IPDM E/R terminals 38 and 59 and
G to front wiper motor terminal 1 C
G through grounds E9, E15 and E24.
LOW SPEED WIPER OPERATION
When the ignition switch is in the ON or START position, and the front wiper switch is turned to the low posi- D
tion, the BCM detects a low speed wiper ON request through the combination switch (wiper switch) reading
function.
The BCM then sends a front wiper (low) request signal over CAN communication lines E
G from BCM terminals 39 and 40
G to IPDM E/R terminals 39 and 40.
When IPDM E/R receives front wiper (low) request signal, it supplies ground to energize the front wiper relay. F
With the front wiper relay energized, power is supplied
G through front wiper relay
G to front wiper high relay G
G through IPDM E/R terminal 32
G to front wiper motor terminal 3.
H
With power and ground supplied, the front wiper motor operates at low speed.
HI SPEED WIPER OPERATION
When the ignition switch is in the ON or START position, and the front wiper switch is turned to the high posi- I
tion, the BCM detects a high speed wiper ON request through the combination switch (wiper switch) reading
function.
The BCM then sends a front wiper (high) request signal over CAN communication lines
J
G from BCM terminals 39 and 40
G to IPDM E/R terminals 39 and 40.
When the IPDM E/R receives a front wiper (high) request signal, it supplies ground to energize the front wiper WW
and the front wiper high relays.
With the front wiper and the front wiper high relays energized, power is supplied
G through front wiper relay L
G to front wiper high relay
G through IPDM E/R terminal 35
G to front wiper motor terminal 2. M
With power and ground supplied, the front wiper motor operates at high speed.
INTERMITTENT OPERATION
Wiper intermittent operation delay interval is determined from the combination of the intermittent wiper dial
position inputs and vehicle speed. During each intermittent operation delay interval, the BCM sends 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 an intermittent
position, the BCM detects a front wiper (intermittent) ON request through the combination switch (wiper
switch) reading function.
The BCM then sends a front wiper (intermittent) request signal over CAN communication lines
G from BCM terminals 39 and 40
G to IPDM E/R terminals 39 and 40.
When the BCM determines that combination switch status is front wiper intermittent ON, it performs the follow-
ing operations.
G BCM detects ON/OFF status of intermittent wiper dial position.
Revision: October 2006 WW-5 2006 Armada
FRONT WIPER AND WASHER SYSTEM
G BCM calculates operation interval from wiper dial position and vehicle speed signal received through CAN
communications.
G BCM sends front wiper request signal (INT) to IPDM E/R at calculated operation interval.
When the IPDM E/R receives a front wiper request signal (INT), it supplies ground to energize the front wiper
relay. It then sends an auto-stop signal to the BCM, and conducts intermittent front wiper motor operation.
AUTO STOP OPERATION
When the wiper arms are not located at the base of the windshield, and the wiper switch is turned OFF, the
wiper motor will continue to operate until the wiper arms reach the windshield base. When the wiper arms
reach the base of windshield, front wiper motor terminals 6 and 1 are connected.
Ground is supplied
G to IPDM E/R terminal 43
G through front wiper motor terminal 6
G through front wiper motor terminal 1
G through grounds E9, E15 and E24.
The IPDM E/R sends an auto stop operation signal to the BCM through CAN communication lines.
When the BCM receives an auto stop operation signal, the BCM sends wiper stop signal to the IPDM E/R over
CAN communication lines. The IPDM E/R then de-energizes the front wiper relay.
The wiper motor will then stop the wiper arms at the STOP position.
FRONT WASHER OPERATION
When the ignition switch is in the ON or START position, and the front and rear washer switches are OFF, the
front and rear washer motor is supplied power
G through 10A fuse (No. 9, located in the fuse block J/B)
G through combination switch (wiper switch) terminal 14
G through combination switch (wiper switch) terminal 13
G to front and rear washer motor terminal 1, and
G through combination switch (wiper switch) terminal 11
G to front and rear washer motor terminal 2.
When the front wiper switch is in the front washer position, the BCM detects a front washer signal request
through the combination switch (wiper switch) reading function.
Combination switch ground is supplied
G to front and rear washer motor terminal 2
G through combination switch (wiper switch) terminal 11
G through combination switch (wiper switch) terminal 12
G through grounds M57, M61 and M79.
With ground supplied, the front and rear washer motor is operated in the front direction.
When the BCM detects that front washer motor has operated for 0.4 seconds or longer, the BCM uses CAN
communication and sends a wiper request signal to the IPDM E/R for low speed operation of wipers.
When the BCM detects that the washer switch is OFF, low speed operation cycles approximately 3 times and
then stops.
MIST OPERATION
When the wiper switch is temporarily placed in the mist position, wiper low speed operation cycles once and
then stops.
For additional information about wiper operation under this condition, refer to WW-5, "LOW SPEED WIPER
OPERATION" .
If the switch is held in the mist position, low speed operation continues.
FAIL-SAFE FUNCTION
The BCM includes fail-safe function to prevent malfunction of electrical components controlled by CAN com-
munications if a malfunction in CAN communications occurs.
The BCM uses CAN communications to stop output of electrical components it controls.
Until the ignition switch is turned off, the front wiper system remains in same status as just before fail-safe con-
trol was initiated. (If wiper was in low speed operation just before fail-safe, it continues low speed operation
until ignition switch is turned OFF.)
When fail-safe status is initiated, the BCM remains in standby until normal signals are received.
Revision: October 2006 WW-6 2006 Armada
FRONT WIPER AND WASHER SYSTEM
When normal signals are received, fail-safe status is canceled.
A
COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
CAN Communication System Description EKS00AY2 B
Refer to LAN-25, "CAN COMMUNICATION" .
C
D
E
F
G
H
I
J
WW
L
M
Revision: October 2006 WW-7 2006 Armada
FRONT WIPER AND WASHER SYSTEM
Schematic EKS00AY3
WKWA3814E
Revision: October 2006 WW-8 2006 Armada
FRONT WIPER AND WASHER SYSTEM
Wiring Diagram -- WIPER -- EKS00AY4
A
B
C
D
E
F
G
H
I
J
WW
L
M
WKWA3521E
Revision: October 2006 WW-9 2006 Armada
FRONT WIPER AND WASHER SYSTEM
WKWA3522E
Revision: October 2006 WW-10 2006 Armada
FRONT WIPER AND WASHER SYSTEM
A
B
C
D
E
F
G
H
I
J
WW
L
M
WKWA3523E
Revision: October 2006 WW-11 2006 Armada
FRONT WIPER AND WASHER SYSTEM
Terminals and Reference Values for BCM EKS00AY5
Measuring condition
Terminal Wire Reference Value (V)
Signal name Ignition
No. color Operation or condition (Approx.)
switch
G Light switch and wiper switch OFF
2 SB Combination switch input 5 ON
G Wiper dial position 4
SKIA5291E
G Light switch and wiper switch OFF
3 G/Y Combination switch input 4 ON
G Wiper dial position 4
SKIA5292E
G Light switch and wiper switch OFF
4 Y Combination switch input 3 ON
G Wiper dial position 4
SKIA5291E
5 G/B Combination switch input 2
G Light switch and wiper switch OFF
ON
6 V Combination switch input 1 G Wiper dial position 4
SKIA5292E
G Light switch and wiper switch OFF
32 R/G Combination switch output 5 ON
G Wiper dial position 4
SKIA5291E
G Light switch and wiper switch OFF
33 R/Y Combination switch output 4 ON
G Wiper dial position 4
SKIA5292E
G Light switch and wiper switch OFF
34 L Combination switch output 3 ON
G Wiper dial position 4
SKIA5291E
Revision: October 2006 WW-12 2006 Armada
FRONT WIPER AND WASHER SYSTEM
Measuring condition
Terminal Wire Reference Value (V) A
Signal name Ignition
No. color Operation or condition (Approx.)
switch
35 O/B Combination switch output 2
B
G Light switch and wiper switch OFF
ON
36 R/W Combination switch output 1 G Wiper dial position 4
C
SKIA5292E
38 W/L Ignition switch (ON) ON -- Battery voltage D
39 L CAN-H -- -- --
40 P CAN-L -- -- --
E
67 B Ground ON -- 0V
70 W/B Battery power OFF -- Battery voltage
Terminals and Reference Values for IPDM E/R EKS00AY6
F
Measuring condition
Terminal Wire Reference value (V)
Signal name Ignition G
No. color Operation or condition (Approx.)
switch
OFF 0V
32 L Low speed signal ON Wiper switch
LO Battery voltage H
OFF 0V
35 L/B High speed signal ON Wiper switch
HI Battery voltage
I
38 B Ground ON -- 0V
39 L CAN-H -- -- --
40 P CAN-L -- -- -- J
Wiper operating Battery voltage
43 L/Y Wiper auto stop signal ON
Wiper stopped 0V
WW
59 B Ground ON -- 0V
Work Flow EKS00AY7
L
1. Confirm the symptom or customer complaint.
2. Understand the system description, refer to WW-4, "System Description" .
3. Perform preliminary inspection, refer to WW-13, "Preliminary Inspection" . M
4. Check symptom and repair or replace the cause of malfunction.
5. Does wiper function operate normally? If it operates normally, GO TO 6. If not, GO TO 4.
6. Inspection End.
Preliminary Inspection EKS00AY8
INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
Inspection procedure
1. CHECK FUSE
Check if wiper or washer fuse is blown.
Unit Power source Fuse and fusible link No.
Front and rear washer motor Ignition ON or START 9
Front wiper relay Battery 39
Ignition ON or START 59
BCM
Battery f
Revision: October 2006 WW-13 2006 Armada
FRONT WIPER AND WASHER SYSTEM
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse
or fusible link. Refer to PG-4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connectors.
2. Check voltage between BCM harness connector terminals and
ground.
BCM Ignition switch position
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