ignition NISSAN TIIDA 2008 Service Repair Manual

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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 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 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.

FRONT WIPER AND WASHER SYSTEM
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AUTO STOP OPERATION
With wiper switch turned OFF, wiper motor will continue to operate until wiper arms reach windshield base.
When the wiper arms are not located at base of windshield 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 will then stop wiper arms at the STOP position.
WASHER OPERATION
When the wiper switch is in front wiper washer position, BCM detect front wiper washer signal by BCM combi-
nation switch reading function. Refer to BCS-3, &#34;
System Description&#34; .
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 this condition, refer to &#34;LOW SPEED WIPER OPERA-
TION&#34; .
If switch is held in mist position, 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 were 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-3, &#34;System Description&#34; .
CAN Communication System DescriptionINFOID:0000000001704537
Refer to LAN-6, &#34;System Description&#34;.

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FRONT WIPER AND WASHER SYSTEM
How to Proceed with Trouble Diagnosis
INFOID:0000000001704542
1. Confirm symptoms and customer complaint.
2. Understand operation description and function description. Refer to WW-3, &#34;
System Description&#34; .
3. Perform preliminary check. Refer to WW-10, &#34;
Preliminary Check&#34; .
4. Check symptom and repair or replace malfunctioning parts.
5. Does front wiper and washer operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. Inspection End.
Preliminary CheckINFOID:0000000001704543
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR BCM
Refer to BCS-15, &#34;BCM Power Supply and Ground Circuit Inspection&#34;
CONSULT-III Function (BCM)INFOID:0000000001704544
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
WORK SUPPORT
Display Item List
DATA MONITOR
Display Item List
BCM diagnosis position Diagnosis mode Description
WIPERWORK SUPPORT Changes the setting for each function.
DATA MONITOR Displays BCM input data in real time.
ACTIVE TEST Device operation can be checked by applying a drive signal to device.
BCMSELF-DIAG RESULTS BCM performs self-diagnosis of CAN communication.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
Item Description CONSULT-III Factory setting
WIPER SPEED
SETTINGVehicle speed sensing type wiper control mode can be changed in this mode.ON×
OFF —
ALL SIGNALS Monitors all the signals.
SELECTION FROM MENU Selects items and monitor them.
Monitor item Contents
IGN ON SW “ON/OFF”Displays “ignition switch ON (ON)/Other OFF or ACC (OFF)” status as judged from ignition
switch signal.
IGN SW CAN “ON/OFF”Displays “ignition switch ON (ON)/Other OFF or ACC (OFF)” status as judged from CAN com-
munication signal.
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 sig-
nal.
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 auto-stop signal.
VEHICLE SPEED “km/h” Displays vehicle speed status as judged from vehicle speed signal.

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NOTE: This item is displayed, but cannot be monitored.
ACTIVE TEST
Display Item List
CONSULT-III Function (IPDM E/R)INFOID:0000000001704545
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
DATA MONITOR
All Signals, Main Signals, Selection From Menu
NOTE:
Perform monitoring of IPDM E/R data with ignition switch ON. When ignition switch is at ACC, the display may
not be correct.
ACTIVE TEST
RR WIPER ON “ON/OFF” Displays “REAR WIPER (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WIPER INT “ON/OFF” Displays “REAR WIPER INT (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WASHER SW “ON/OFF”Displays “FRONT WASHER Switch (ON)/Other (OFF)” status as judged from wiper switch sig-
nal.
RR WIPER STOP “ON/OFF” Displays “Stopped (ON)/Operating (OFF)” status as judged from auto-stop switch 1.
RR WIPER STP2 “ON/OFF” Displays “Stopped (ON)/Operating (OFF)” status as judged from auto-stop switch 2.
H/L WASH SW
NOTE“OFF” — Monitor item Contents
Test item Display on CONSULT-III screen Description
Front wiper LO output FR WIPER (LO) Front LO wiper can be operated by any ON-OFF operation.
Front wiper HI output FR WIPER (HI) Front HI wiper can be operated by any ON-OFF operation.
Front wiper INT output FR WIPER (INT) Front INT wiper can be operated by any ON-OFF operation.
Rear wiper output RR WIPER Rear wiper can be operated by any ON-OFF operation.
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.
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.
ALL SIGNALS Monitors all items.
MAIN SIGNALS Monitor the predetermined item.
SELECTION FROM MENU Selects items and monitors them.
Item nameCONSULT-III
screen displayDisplay or unitMonitor item selection
Description
ALL
SIGNALSMAIN
SIGNALSSELECTION
FROM MENU
FR wiper request FR WIP REQSTOP/1LOW/
LOW/HI×× ×Signal status input from BCM
Wiper auto stop WIP AUTO STOP ACT P/STOP P×× ×Output status of IPDM E/R
Wiper protection WIP PROT OFF/BLOCK×× ×Control status of IPDM E/R

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FRONT WIPER AND WASHER SYSTEM
Front Wiper Does Not Operate
INFOID:0000000001704546
CAUTION:
• During IPDM E/R fail-safe control, front wipers may not operate. Refer to PG-16, &#34;
System Descrip-
tion&#34; 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 select “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-19, &#34;
Auto Active Test&#34; .
Does front wiper operate normally?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-llI
1. Select “BCM” on CONSULT-III, and select “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-63, &#34;
Combination Switch Inspection&#34; .
OK or NG
OK >> GO TO 3.
NG >> Check combination switch (wiper switch). Refer to LT-63, &#34;
Combination Switch Inspection&#34; .
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-18, &#34;Removal and Installation of BCM&#34; .
CAN COMM CIRCUIT>>Check CAN communication line of BCM. Refer to BCS-17, &#34;
CAN Communication
Inspection Using CONSULT-III (Self-Diagnosis)&#34; .
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 WIPERWith a certain operation (OFF, HI ON, LO ON), front wiper relay (Lo, Hi)
can be operated.
Front wiper mo-
tor connectorTe 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 select “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-19, &#34;
Auto Active Test&#34; .
4. Check voltage between IPDM E/R connector and ground while front wiper (HI, LO) is operating.
OK or NG
AB
Continuity
Connector Terminal Connector Terminal
E4532
E15
Ye s
33 3
A
GroundContinuity
Connector Terminal
E4532
No
33
WKIA5489E
Te r m i n a l
ConditionVo l ta g e
(Approx.) (+)
(-)
IPDM E/R
connectorTe r m i n a l
E4533
GroundStopped 0V
LO operation Battery voltage
32Stopped 0V
HI operation Battery voltage
Te r m i n a l
ConditionVol tag e
(Approx.) (+)
(-)
IPDM E/R
connectorTe r m i n a l
E4533
GroundStopped 0V
LO operation Battery voltage
23Stopped 0V
HI operation Battery voltage
ALLIA0368ZZ

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FRONT WIPER AND WASHER SYSTEM
OK >> Replace front wiper motor. Refer to WW-19, &#34;Removal and Installation of Front Wiper Drive
Assembly&#34; .
NG >> Replace IPDM E/R. Refer to PG-26, &#34;
Removal and Installation of IPDM E/R&#34; .
Front Wiper Does Not Return to Stop Position (After Front Wiper Operate for 10 Sec-
onds, They Stop for 20 Seconds, and After Repeating the Operation Five Times, They
Become Inoperative)
INFOID:0000000001704547
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-26, &#34;Removal and Installation of IPDM E/R&#34; .
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-26, &#34;Removal and Installation of IPDM E/R&#34; .
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
connectorTe r m i n a l
E46 38 GroundWiper stopped 0V
Wiper operating Battery voltage
WKIA5491E
AB
Continuity
Connector Terminal Connector Terminal
E46 38 E1 4 Yes
A
GroundContinuity
Connector Terminal
E46 38 No
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OK or NG
OK >> Replace front wiper motor. Refer to WW-19, &#34;Removal and Installation of Front Wiper Drive
Assembly&#34; .
NG >> Repair or replace harness.
Only Front Wiper Low Does Not OperateINFOID:0000000001704548
1.ACTIVE TEST
With CONSULT-lIl
1. Select “IPDM E/R” on CONSULT-III, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3. Touch “LO” screen.
Without CONSULT-lIl
Start auto active test. Refer to PG-19, &#34;
Auto Active Test&#34; .
Does front wiper operate normally?
YES >> Refer to LT-63, &#34;Combination Switch Inspection&#34; .
NO >> GO TO 2.
2.CHECK FRONT WIPER MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and front 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.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK IPDM E/R
With CONSULT-lIl
1. Connect IPDM E/R.
2. Turn ignition ON.
3. Select “IPDM E/R” on CONSULT-III, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
5. Touch “LO” screen.
6. Check voltage between IPDM E/R connector and ground while
front wiper LO is operating.
Without CONSULT-lIl
AB
Continuity
Connector Terminal Connector Terminal
E45 33 E1 3 Yes
A
GroundContinuity
Connector Terminal
E45 33 No
WKIA5495E
Te r m i n a l
Continuity (+)
(-)
IPDM E/R
connectorTe r m i n a l
E45 33 Ground Battery voltage
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FRONT WIPER AND WASHER SYSTEM
1. Connect IPDM E/R.
2. Turn ignition ON.
3. Start auto active test. Refer to PG-19, &#34;
Auto Active Test&#34; .
4. Check voltage between IPDM E/R connector and ground while front wiper LO is operating.
OK or NG
OK >> Replace front wiper motor. Refer to WW-19, &#34;Removal and Installation of Front Wiper Drive
Assembly&#34; .
NG >> Replace IPDM E/R. Refer to PG-26, &#34;
Removal and Installation of IPDM E/R&#34; .
Only Front Wiper High Does Not OperateINFOID:0000000001704549
1.ACTIVE TEST
With CONSULT-Ill
1. Select “IPDM E/R” on CONSULT-III, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3. Touch “HI” screen.
Without CONSULT-lIl
Start auto active test. Refer to PG-19, &#34;
Auto Active Test&#34; .
Does front wiper operate normally?
YES >> Refer to LT-63, &#34;Combination Switch Inspection&#34; .
NO >> GO TO 2.
2.CHECK FRONT WIPER MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector E45 and front wiper motor connector E1.
3. Check continuity between IPDM E/R connector (A) E45 terminal
32 and front wiper motor connector (B) E1 terminal 1.
4. Check continuity between IPDM E/R harness connector (A) E45
terminal 32 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK IPDM E/R
With CONSULT-lIl
1. Connect IPDM E/R connector E45.
2. Turn ignition switch ON.
3. Select “IPDM E/R” on CONSULT-III, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4. Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
Te r m i n a l
Continuity (+)
(-)
IPDM E/R
connectorTe r m i n a l
E45 33 Ground Battery voltage
AB
Continuity
Connector Terminal Connector Terminal
E45 32 E1 5 Yes
A
GroundContinuity
Connector Terminal
E45 32 No
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5. Touch “HI” screen.
6. Check voltage between IPDM E/R connector E45 terminal 32
and ground while front wiper HI is operating.
Without CONSULT-lIl
1. Connect IPDM E/R connector E45.
2. Turn ignition switch ON.
3. Start auto active test. Refer to PG-19, &#34;
Auto Active Test&#34; .
4. Check voltage between IPDM E/R connector E45 terminal 32 and ground while front wiper HI is operating.
OK or NG
OK >> Replace front wiper motor. Refer to WW-19, &#34;Removal and Installation of Front Wiper Drive
Assembly&#34; .
NG >> Replace IPDM E/R. Refer to PG-26, &#34;
Removal and Installation of IPDM E/R&#34; .
Only Front Wiper Intermittent Does Not OperateINFOID:0000000001704550
1.CHECK COMBINATION SWITCH
With CONSULT-lIl1. Select “BCM” on CONSULT-III, and select “WIPER” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen. Make sure that “FR WIPER INT”, turn ON-
OFF according to wiper switch operation.
Without CONSULT-Ill
Refer to LT-63, &#34;
Combination Switch Inspection&#34; .
OK or NG
OK >> Replace BCM. Refer to BCS-18, &#34;Removal and Installation of BCM&#34; .
NG >> Check combination switch (wiper switch). Refer to LT-63, &#34;
Combination Switch Inspection&#34; .
Front Wiper Intermittent Operation Switch Position Cannot Be AdjustedINFOID:0000000001704551
1.CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-lIl
1. Select “BCM” on CONSULT-III, and select “WIPER” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen. Make sure that “INT VOLUME”, changes in
order from 1 to 7 according to wiper switch operation.
Without CONSULT-Ill
Refer to LT-63, &#34;
Combination Switch Inspection&#34; .
OK or NG
OK >> Replace BCM. Refer to BCS-18, &#34;Removal and Installation of BCM&#34; .
NG >> Check combination switch (wiper switch). Refer to LT-63, &#34;
Combination Switch Inspection&#34; .
Te r m i n a l
Vo l ta g e
(Approx.) (+)
(-)
IPDM E/R
connectorTe r m i n a l
E45 32 Ground Battery voltage
Te r m i n a l
Vo l ta g e
(Approx.) (+)
(-)
IPDM E/R
connectorTe r m i n a l
E45 32 Ground Battery voltage
WKIA5499E