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K ELECTRICAL

B
SECTION
WIPER, WASHER & HORN C

E
CONTENTS
PRECAUTION ........................................................... 2 . FRONT WIPER STOP POSITION IS INCOR- F
Precautions for Supplemental Restraint System RECT .................................................................. 19
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- ONLY FRONT WIPER LOW DOES NOT OPER-
SIONER" ................................................................. 2
. ATE ..................................................................... 21
. G
FRONT WIPER AND WASHER SYSTEM ................. 3 . ONLY FRONT WIPER HI DOES NOT OPERATE 23 ...
Components Parts and Harness Connector Loca- ONLY FRONT WIPER INT DOES NOT OPER-
tion .......................................................................... 3
. ATE ..................................................................... 24
.
H
System Description ................................................. 3 . FRONT WIPER INTERMITTENT OPERATION
LOW SPEED WIPER OPERATION ..................... 4 . SWITCH POSITION CANNOT BE ADJUSTED... 25
HI SPEED WIPER OPERATION .......................... 4 . WIPERS DO NOT WIPE WHEN FRONT
INTERMITTENT OPERATION ............................. 4 . WASHER OPERATES ....................................... 25 . I
AUTO STOP OPERATION ................................... 5 . FRONT WIPERS OPERATE FOR 10 SECONDS,
FRONT WASHER OPERATION .......................... 5 . STOP FOR 20 SECONDS, AND AFTER
MIST OPERATION ............................................... 5 . REPEATING THIS OPERATION FIVE TIMES, J
FAIL-SAFE FUNCTION ........................................ 5 . THEY BECOME INOPERATIVE ........................ 25 .
COMBINATION SWITCH READING FUNCTION 5 ..... Removal and Installation ....................................... 27 .
CAN Communication System Description ............... 6 . FRONT WIPER ARMS ....................................... 27 . WW
Schematic ............................................................... 7
. WIPER MOTOR AND LINKAGE ........................ 28 .
Wiring Diagram -- WIPER -- ................................. 8 . WASHER HOSE LAYOUT ................................. 29 .
Terminals and Reference Values for BCM .............11 . WASHER NOZZLES .......................................... 29 .
Terminals and Reference Values for IPDM E/R .....11 . WIPER AND WASHER SWITCH ....................... 29 . L
Work Flow ..............................................................11. WASHER FLUID RESERVOIR .......................... 30 .
Preliminary Check ..................................................11 . WASHER MOTOR ............................................. 31 .
INSPECTION FOR POWER SUPPLY AND WASHER FLUID LEVEL SENSOR .................... 31 . M
GROUND CIRCUIT .............................................11 . Washer Nozzle Adjustment ................................... 31 .
CONSULT-II Function (IPDM E/R) .........................11 . POWER SOCKET .................................................... 32 .
CONSULT-II OPERATION ..................................11 . Wiring Diagram -- P/SCKT -- ............................... 32 .
WORK SUPPORT .............................................. 12 . Removal and Installation ....................................... 33 .
DATA MONITOR ................................................ 12 . LOWER FRONT POWER SOCKET ................... 33 .
ACTIVE TEST .................................................... 14 . UPPER FRONT POWER SOCKET AND CON-
CONSULT-II Function (BCM) ................................ 14 . SOLE POWER SOCKET ................................... 33 .
CONSULT-II OPERATION ................................. 14 . HORN ....................................................................... 34
.
DATA MONITOR ................................................ 15 . Wiring Diagram -- HORN -- ................................. 34 .
ACTIVE TEST .................................................... 16 . Removal and Installation ....................................... 35 .
Trouble Diagnosis ................................................. 16 . HORN (SINGLE) ................................................ 35 .
FRONT WIPER DOES NOT OPERATE ............ 16 . HORN (DUAL) .................................................... 35 .

Revision: September 2005 WW-1 2006 Frontier
PRECAUTION

PRECAUTION PFP:00011

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS00BTT

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:
q 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.
q 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.
q 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.

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FRONT WIPER AND WASHER SYSTEM

FRONT WIPER AND WASHER SYSTEM PFP:28810
A
Components Parts and Harness Connector Location EKS00C52

WKIA5015E

1. IPDM E/R 2. BCM 3. Data Link connector J
E121, E122, E124 M18, M20
(view with lower instrument panel LH removed)
4. Front washer motor connector 5. Washer fluid reservoir 6. Front wiper motor
WW
E105 E23
(view with front fender protector RH removed)
7. Combination switch
M28 L

System Description EKS00CNO

q Both front wiper relays are located in the IPDM E/R (intelligent power distribution module engine room). M
q 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.
q BCM controls front wiper LO, HI, and INT (intermittent) operation.
q IPDM E/R operates the wiper motor according to CAN communication signals from the BCM.
Power is supplied at all times
q to ignition relay, located in the IPDM E/R, and
q through 50A fusible link (letter g , located in the fuse and fusible link box)
q to BCM terminal 70, and
q through 30A fuse (No. 39, located in the IPDM E/R)
q to front wiper relay (located in the IPDM E/R).
With the ignition switch in ON or START position, power is supplied
q through 10A fuse [No. 15, located in the fuse block (J/B)]
q to combination switch terminal 2, and

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FRONT WIPER AND WASHER SYSTEM

q through 10A fuse [No. 1, located in the fuse block (J/B)]
q to BCM terminal 38.
Ground is supplied
q to BCM terminal 67 and
q to combination switch terminal 9
q through grounds M57, M61 and M79, and
q to IPDM E/R terminals 38 and 59 and
q to front wiper motor terminal 2
q through grounds E9, E15 (all) and E24 (VQ engine only).
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-
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
q from BCM terminals 39 and 40
q 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.
With the front wiper relay energized, power is supplied
q through front wiper relay
q to front wiper high relay
q through IPDM E/R terminal 32
q to front wiper motor terminal 1.
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-
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
q from BCM terminals 39 and 40
q 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
and the front wiper high relays.
With the front wiper and the front wiper high relays energized, power is supplied
q through front wiper relay
q to front wiper high relay
q through IPDM E/R terminal 35
q to front wiper motor terminal 4.
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. 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
q from BCM terminals 39 and 40
q 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.
q BCM detects ON/OFF status of intermittent wiper dial position.

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FRONT WIPER AND WASHER SYSTEM

q BCM calculates operation interval from wiper dial position.
q BCM sends front wiper request signal (INT) to IPDM E/R at calculated operation interval. A
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.
B
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 5 and 2 are connected. C
Ground is supplied
q to IPDM E/R terminal 43
D
q through front wiper motor terminal 5
q through front wiper motor terminal 2
q through grounds E9, E15 (all) and E24 (VQ engine only).
E
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. F

FRONT WASHER OPERATION
When the ignition switch is in the ON or START position, and the front washer switch is OFF, the front washer G
motor is supplied power
q through 10A fuse [No. 15, located in the fuse block (J/B)]
q through combination switch (wiper switch) terminal 2 H
q through combination switch (wiper switch) terminal 4
q to front washer motor terminal 1.
When the front wiper switch is in the front washer position, the BCM detects a front washer signal request I
through the combination switch (wiper switch) reading function.
Combination switch ground is supplied
q to front washer motor terminal 2 J
q through combination switch (wiper switch) terminal 3
q through combination switch (wiper switch) terminal 9
q through grounds M57, M61 and M79. WW
With ground supplied, the front washer motor is operated.
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. L
When the BCM detects that the washer switch is OFF, low speed operation cycles approximately 3 times and
then stops.
MIST OPERATION M
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-4, "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-
munication if a malfunction in CAN communication occurs.
The BCM uses CAN communication 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
control 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.
When normal signals are received, fail-safe status is canceled.
COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
Revision: September 2005 WW-5 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

CAN Communication System Description EKS00BTX

Refer to LAN-22, "CAN COMMUNICATION" .

Revision: September 2005 WW-6 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

Schematic EKS00BTY

WKWA2172E

Revision: September 2005 WW-7 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

Wiring Diagram -- WIPER -- EKS00BTZ

WKWA4325E

Revision: September 2005 WW-8 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

WKWA4326E

Revision: September 2005 WW-9 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

WKWA2175E

Revision: September 2005 WW-10 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

Terminals and Reference Values for BCM EKS00CLN

A
Refer to BCS-12, "Terminals and Reference Values for BCM" .
Terminals and Reference Values for IPDM E/R EKS00CLO

Refer to PG-29, "Terminals and Reference Values for IPDM E/R" . B

Work Flow EKS00CLP

1. Confirm the symptom or customer complaint. C
2. Understand the system description, refer to WW-3, "System Description" .
3. Perform preliminary inspection, refer to WW-11, "Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction. D
5. Does wiper function operate normally? If it operates normally, GO TO 6. If not, GO TO 4.
6. Inspection End.
E
Preliminary Check EKS00CLQ

INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
Refer to BCS-16, "BCM Power Supply and Ground Circuit Check" . F
CONSULT-II Function (IPDM E/R) EKS00CLS

CONSULT-II can display each diagnostic item using the diagnostic test modes shown following. G
IPDM E/R diagnostic Mode Description
SELF-DIAG RESULTS Displays IPDM E/R self-diagnosis results.
DATA MONITOR Displays IPDM E/R input/output data in real time. H
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
I

CONSULT-II OPERATION
CAUTION: J
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1. With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, then turn the WW
ignition switch ON.

BBIA0538E

2. Touch "START (NISSAN BASED VHCL)".

BCIA0029E

Revision: September 2005 WW-11 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

3. Touch "IPDM E/R" on "SELECT SYSTEM" screen.
If "IPDM E/R" is not displayed, go to GI-41, "CONSULT-II Data
Link Connector (DLC) Circuit" .

BCIA0030E

4. Select the desired part to be diagnosed on the "SELECT DIAG
MODE" screen.

BCIA0031E

WORK SUPPORT
Operation Procedure
1. Touch "WIPER" on the "SELECT TEST ITEM" screen.
2. Touch "WORK SUPPORT" on the "SELECT DIAG MODE" screen.
3. Touch "WIPER SPEED SETTING" on the "SELECT WORK ITEM" screen.
4. Touch "START".
5. Touch "CHANGE SETT".
6. The setting will be changed and "CURRENT SETTING" will be displayed.
7. Touch "END".
Work Support Setting Item
Item Description CONSULT-II
When wiper switch is at INTERMITTENT, front wiper intermittent
WIPER SPEED SETTING time can be selected according to vehicle speed. ON/OFF
q ON (Operated)/OFFNOTE (Not operated)
NOTE:
Factory setting

DATA MONITOR
Operation Procedure
1. Touch "DATA MONITOR" on the "SELECT DIAG MODE" screen.
2. Touch "ALL SIGNALS", "MAIN SIGNALS" or "SELECTION FROM MENU" on the "SELECT MONITOR
ITEM" screen.

ALL SIGNALS Monitors all the items.
MAIN SIGNALS Monitors predetermined items.
SELECTION FROM MENU Selects and monitors the individual item selected.

3. Touch "START".
4. When "SELECTION FROM MENU" is selected, touch items to be monitored. When "ALL SIGNALS" is
selected, all the items will be monitored.

Revision: September 2005 WW-12 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

5. Touch "RECORD" while monitoring to record the status of the item being monitored. To stop recording,
touch "STOP". A
All Signals, Main Signals, Selection From Menu
Monitor item selection
CONSULT-II B
Item name Display or unit ALL MAIN SELECTION Description
screen display
SIGNALS SIGNALS FROM MENU
Front wiper STOP/1LOW/LOW/
FR WIP REQ x x x Signal status input from BCM. C
request HI
Wiper auto stop WIP AUTO STOP ACT P/STOP P x x x Output status of IPDM E/R.
Wiper protection WIP PROT OFF/LS/HS/BLOCK x x x Control status of IPDM E/R. D
NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is at ACC, the dis-
play may not be correct. E

Revision: September 2005 WW-13 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

ACTIVE TEST
Operation Procedure
1. Touch "ACTIVE TEST" on the "SELECT DIAG MODE" screen.
2. Touch item(s) to be tested and check operation of the selected item(s).
3. During the operation check, touching "BACK" deactivates the operation.
Display Item List
CONSULT-II
Test item Description
screen display
Front wiper (HI, LO) output FRONT WIPER With a certain operation (OFF, HI, LO) front wiper relays can be operated.

CONSULT-II Function (BCM) EKS00CLR

CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
BCM diagnostic
Diagnostic mode Description
test item
Supports inspections and adjustments. Commands are transmitted to the BCM
WORK SUPPORT for setting the status suitable for required operation, input/output signals are
received from the BCM and received data is displayed.
DATA MONITOR Displays BCM input/output data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
Inspection by part
SELF-DIAG RESULTS Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER BCM part number can be read.
CONFIGURATION Performs BCM configuration read/write functions.

CONSULT-II OPERATION
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1. With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, then turn the
ignition switch ON.

BBIA0538E

2. Touch "START (NISSAN BASED VHCL)".

BCIA0029E

Revision: September 2005 WW-14 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

3. Touch "BCM" on the "SELECT SYSTEM" screen.
If "BCM" is not indicated, go to GI-41, "CONSULT-II Data Link A
Connector (DLC) Circuit" .

BCIA0030E

D
4. Select the desired part to be diagnosed on the "SELECT TEST
ITEM" screen.
E

G
LKIA0183E

DATA MONITOR H
Operation Procedure
1. Touch "WIPER" on the "SELECT TEST ITEM" screen.
2. Touch "DATA MONITOR" on the "SELECT DIAG MODE" screen. I
3. Touch either "ALL SIGNALS" or "SELECTION FROM MENU" on the "SELECT MONITOR ITEM" screen.

ALL SIGNALS Monitors all the items. J
SELECTION FROM MENU Selects and monitors the individual item selected.

4. Touch "START".
WW
5. When "SELECTION FROM MENU" is selected, touch items to be monitored. When "ALL SIGNALS" is
selected, all the items will be monitored.
6. Touch "RECORD" while monitoring to record the status of the item being monitored. To stop recording,
L
touch "STOP".
Display Item List
Monitor item name M
Contents
"OPERATION OR UNIT"
IGN ON SW "ON/OFF" Displays "IGN Position (ON)/OFF, ACC Position (OFF)" status as judged from ignition switch signal.
Displays "IGN switch ON (ON)/Other OFF or ACC (OFF)" status as judged from CAN communica-
IGN SW CAN "ON/OFF"
tions.
FR WIPER HI "ON/OFF" Displays "Front Wiper HI (ON)/Other (OFF)" status as judged from wiper switch signal.
FR WIPER LOW "ON/OFF" Displays "Front Wiper LOW (ON)/Other (OFF)" status as judged from wiper switch signal.
FR WIPER INT "ON/OFF" Displays "Front Wiper INT (ON)/Other (OFF)" status as judged from wiper switch signal.
FR WASHER SW "ON/OFF" Displays "Front Washer Switch (ON)/Other (OFF)" status as judged from wiper switch signal.
INT VOLUME (1 - 7) Displays intermittent operation dial position setting (1 - 7) as judged from wiper switch signal.
FR WIPER STOP "ON/OFF" Displays "Stopped (ON)/Operating (OFF)" status as judged from the auto stop signal.
VEHICLE SPEED "0.0 km/h" Displays vehicle speed as received from CAN communication.

Revision: September 2005 WW-15 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

ACTIVE TEST
Operation Procedure
1. Touch "WIPER" on the "SELECT TEST ITEM" screen.
2. Touch "ACTIVE TEST" on the "SELECT DIAG MODE" screen.
3. Touch item(s) to be tested and check operation of the selected item(s).
4. During the operation check, touching "BACK" deactivates the operation.
Display Item List
Display on CONSULT-II
Test item Description
screen
Front wiper HI output FR WIPER (HI) Front wiper HI can be operated by any ON-OFF operation.
Front wiper LO output FR WIPER (LO) Front wiper LO can be operated by any ON-OFF operation.
Front wiper INT output FR WIPER (INT) Front wiper INT can be operated by any ON-OFF operation.

Trouble Diagnosis EKS00CLT

FRONT WIPER DOES NOT OPERATE
CAUTION:
During IPDM E/R fail-safe control, front wipers may not operate. Refer to PG-18, "CAN COMMUNICA-
TION LINE CONTROL" to make sure that it is not in fail-safe status.
Inspection Procedure
1. CHECK IPDM E/R TO FRONT WIPERS
With CONSULT-II
1. Select "IPDM E/R" with CONSULT-II, and select "ACTIVE
TEST" on "SELECT DIAG MODE" screen.
2. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
Without CONSULT-II
1. Turn on front wipers using auto active test. Refer to PG-24,
"Auto Active Test" .
2. Confirm front wiper operation.
OK or NG
OK >> GO TO 4.
NG >> GO TO 2. SKIA3486E

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FRONT WIPER AND WASHER SYSTEM

2. IPDM E/R TO FRONT WIPERS CIRCUIT INSPECTION A
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connectors and front wiper motor connector.
3. Check continuity between IPDM E/R harness connector termi- B
nals and front wiper motor harness connector terminals.
IPDM E/R Front wiper motor
Continuity C
Connector Terminal Connector Terminal
32 1
E121
35 E23 4 Yes D
E122 43 5

E
WKIA3193E

4. Check continuity between IPDM E/R harness connector termi-
nals and ground. F

IPDM E/R
Continuity
Connector Terminal G
32
E121
35 Ground No
E122 43 H

WKIA1424E
I
5. Check continuity between IPDM E/R harness connector termi-
nals and ground.
J
IPDM E/R
Continuity
Connector Terminal
E122 38 WW
Ground Yes
E124 59

L
WKIA1425E

6. Check continuity between front wiper motor harness connector M
terminal 2 and ground.
Front wiper motor
Continuity
Connector Terminal
E23 2 Ground Yes
OK or NG
OK >> Connect connectors. GO TO 3.
NG >> Repair harness or connector.
WKIA3194E

Revision: September 2005 WW-17 2006 Frontier
FRONT WIPER AND WASHER SYSTEM

3. IPDM E/R INSPECTION
With CONSULT-II
1. Turn ignition switch ON.
2. Select "IPDM E/R" with CONSULT-II, and select "ACTIVE
TEST" on "SELECT DIAG MODE" screen.
3. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
Without CONSULT-II
1. Turn on front wipers using the auto active test. Refer to PG-24,
"Auto Active Test" .

SKIA3486E

When front wiper relay, and front wiper high relay are operating,
check voltage between IPDM E/R terminals and ground.
IPDM E/R
Voltage
(+) (

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