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WIPER, WASHER & HORN
K ELECTRICAL
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PRECAUTION .......................................................
..... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
FRONT WIPER AND WASHER SYSTEM ............. ..... 4
Components Parts and Harness Connector Loca-
tion ...................................................................... ..... 4
System Description ............................................. ..... 4
LOW SPEED WIPER OPERATION ................. ..... 5
HI SPEED WIPER OPERATION ...................... ..... 5
INTERMITTENT OPERATION ......................... ..... 5
AUTO STOP OPERATION ............................... ..... 6
FRONT WASHER OPERATION ...................... ..... 6
MIST OPERATION ................................................ 6
FAIL-SAFE FUNCTION .................................... ..... 6
COMBINATION SWITCH READING FUNCTION ..... 6
CAN Communication System Description ........... ..... 6
Schematic ........................................................... ..... 7
Wiring Diagram — WIPER — ............................. ..... 8
Terminals and Reference Values for BCM .......... .... 11
Terminals and Reference Values for IPDM E/R .. ... 12
Work Flow ........................................................... ... 12
Preliminary Inspection ......................................... ... 12
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT .......................................... ... 12
CONSULT-II Function (BCM) .............................. ... 14
CONSULT-II OPERATION ............................... ... 14
WORK SUPPORT ............................................ ... 15
DATA MONITOR .............................................. ... 15
ACTIVE TEST .................................................. ... 16
CONSULT-II Function (IPDM E/R) ...................... ... 16
CONSULT-II OPERATION ............................... ... 16
DATA MONITOR .............................................. ... 17
ACTIVE TEST .................................................. ... 18
Front Wiper Does Not Operate ........................... ... 18
FRONT WIPER STOP POSITION IS INCOR-
RECT ............................................................... ... 21
ONLY FRONT WIPER LOW DOES NOT OPER-
ATE .................................................................. ... 22
ONLY FRONT WIPER HIGH DOES NOT OPER- ATE ..................................................................
... 24
ONLY FRONT WIPER INTERMITTENT DOES
NOT OPERATE ................................................ ... 25
FRONT WIPER INTERMITTENT OPERATION
SWITCH POSITION CANNOT BE ADJUSTED ... 26
WIPERS DO NOT WIPE WHEN FRONT
WASHER OPERATES ..................................... ... 26
FRONT WIPERS OPERATE FOR 10 SEC-
ONDS, STOP FOR 20 SECONDS, AND AFTER
REPEATING THIS OPERATION FIVE TIMES,
THEY BECOME INOPERATIVE ...................... ... 26
Front Wiper Arms ................................................ ... 28
REMOVAL AND INSTALLATION ..................... ... 28
FRONT WIPER ARM ADJUSTMENT .............. ... 28
Wiper Motor and Linkage .................................... ... 29
REMOVAL AND INSTALLATION ..................... ... 29
REMOVAL ........................................................ ... 29
INSTALLATION ................................................ ... 29
Washer Nozzle Adjustment ................................. ... 29
Washer Tube Layout ........................................... ... 30
Wiper and Washer Switch ................................... ... 30
REMOVAL AND INSTALLATION ..................... ... 30
INSTALLATION ................................................ ... 30
Washer Fluid Reservoir ....................................... ... 30
REMOVAL AND INSTALLATION ..................... ... 30
Washer Motor ...................................................... ... 31
REMOVAL AND INSTALLATION ..................... ... 31
INSTALLATION ................................................ ... 31
REAR WIPER AND WASHER SYSTEM ............... ... 32
Components Parts and Harness Connector Loca-
tion ....................................................................... ... 32
System Description .............................................. ... 32
REAR WIPER OPERATION ............................. ... 33
INTERMITTENT OPERATION ......................... ... 33
AUTO STOP OPERATION ............................... ... 34
REAR WASHER OPERATION ......................... ... 34
BCM WIPER SWITCH READING FUNCTION . ... 35
Wiring Diagram — WIP/R — .................................. 36
Terminals and Reference Values for BCM ........... ... 38
How to Proceed With Trouble Diagnosis ............. ... 40
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Preliminary Inspection .........................................
... 40
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT .......................................... ... 40
CONSULT-II Function (BCM) ............................... ... 42
CONSULT-II OPERATION ................................ ... 42
DATA MONITOR ............................................... ... 43
ACTIVE TEST .................................................. ... 43
Rear Wiper Does Not Operate ............................... 44
Rear Wiper Stop Position Is Incorrect .................. ... 46
Only Rear Wiper Does Not Operate ....................... 47
Only Rear Wiper Intermittent Does Not Operate . ... 48
Wiper Does Not Wipe When Rear Washer Operates ... 48
Rear Wiper Arm ................................................... ... 49
REMOVAL AND INSTALLATION ...................... ... 49
INSTALLATION ................................................. ... 49
Rear Wiper Motor ................................................... 50 REMOVAL AND INSTALLATION ...................... ... 50
REMOVAL ........................................................ ... 50
INSTALLATION ................................................ ... 50
Rear Washer Nozzle Adjustment ......................... ... 50
Rear Washer Tube Layout ................................... ... 51Rear Washer Nozzle ............................................
... 51
REMOVAL AND INSTALLATION ...................... ... 51
INSTALLATION ................................................ ... 51
Removal and Installation ...................................... ... 51
REAR WIPER AND WASHER SWITCH ........... ... 51
WASHER FLUID RESERVOIR ......................... ... 52
WASHER MOTOR ............................................ ... 52
POWER SOCKET .................................................. ... 53
Wiring Diagram — P/SCKT — ............................. ... 53
Front Power Socket LH, Rear Cargo Power Socket ... 54
REMOVAL AND INSTALLATION ...................... ... 54
INSTALLATION ................................................ ... 54
Front Power Socket RH (For Cigarette Lighter),
Console Power Socket ......................................... ... 54
REMOVAL ........................................................ ... 54
INSTALLATION ................................................ ... 54
HORN ..................................................................... ... 55
Wiring Diagram — HORN — ............................... ... 55
Removal and Installation ...................................... ... 56
REMOVAL ......................................................... ... 56
INSTALLATION ................................................. ... 56
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FRONT WIPER AND WASHER SYSTEM
Revision: November 20092006 QX56
Wiring Diagram — WIPER —EKS00BDW
WKWA3609E
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REAR WIPER AND WASHER SYSTEM
Revision: November 20092006 QX56
Wiring Diagram — WIP/R —EKS00BED
WKWA2328E
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POWER SOCKETWW-53
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POWER SOCKETPFP:253A2
Wiring Diagram — P/SCKT — EKS00BEW
WKWA3613E
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HORN
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HORNPFP:25610
Wiring Diagram — HORN — EKS00BEY
WKWA3614E