Page 692 of 2585

CONDITION POSSIBLE CAUSES CORRECTION
WASHER SYSTEM WILL NOT
FLOW WASHER FLUID.1. NO WASHER FLUID IN
RESERVOIR.1. FILL WASHER RESERVOIR.
2. IPM FUSE #33 BLOWN. 2. SHORT OR DEFECTIVE CIRCUIT
BETWEEN IPM PIN 11 AND WASHER PUMP
MOTOR CONNECTOR POSITIVE TERMINAL
2. INTERNAL SHORT IN IPM. IF NOT OK,
REPAIR CIRCUIT OR REFER TO IPM
DIAGNOSTIC PROCEDURES IN WIRING
DIAGRAMS.
3. WASHER HOSE NOT
FLOWING WASHER FLUID.3. ASSURE WASHER HOSE IS NOT
PINCHED, LOOSE, BROKEN OR
DISCONNECTED. IF NOT OK, PROPERLY
ROUTE OR REPAIR WASHER HOSE.
4. MOTOR CONNECTOR LOOSE. 4. PROPERLY SEAT AND LOCK CONNECTOR
TO MOTOR.
5. MOTOR CONNECTOR
TERMINALS BENT.5. REPAIR TERMINALS AND PROPERLY
SEAT CONNECTOR TO MOTOR.
6. OPEN CIRCUIT TO OR FROM
WASHER SELECT SWITCH
(EXPORT AND ATC EQUIPPED
VEHICLES ONLY).6. OPEN OR DEFECTIVE CIRCUIT BETWEEN
IPM BODY CONTROLLER PIN 27 AND
WASHER SELECT SWITCH PIN 4, OR OPEN
OR DEFECTIVE CIRCUIT BETWEEN IPM
BODY CONTROLLER PIN 22 AND WASHER
SELECT SWITCH PIN 2. IF NOT OK, REPAIR
CIRCUIT.
7. OPEN OR DEFECTIVE
WASHER SELECT SWITCH.7. REFERO TO THE PROPER BODY
DIAGNOSTIC PROCEDURES INFORMATION
ON MANUAL TEMPERATURE CONTROLS.
8. OPEN POWER CIRCUIT TO
MOTOR.8. OPEN OR DEFECTIVE CIRCUIT BETWEEN
IPM CONNECTOR TERMINAL 11 AND
WASHER MOTOR CONNECTOR POSITIVE
TERMINAL 2. INTERNAL OPEN IN IPM. IF
NOT OK, REPAIR CIRCUIT OR REFER TO
IPM DIAGNOSTIC PROCEDURES IN WIRING
DIAGRAMS.
9. OPEN OR DEFECTIVE MOTOR
GROUND CIRCUIT.9. OPEN OR DEFECTIVE CIRCUIT BETWEEN
IPM CONNECTOR TERMINAL 20 AND
WASHER MOTOR CONNECTOR NEGATIVE
TERMINAL 1. INTERNAL OPEN IN IPM. IF
NOT OK, REPAIR CIRCUIT OR REFER TO
IPM DIAGNOSTIC PROCEDURES IN WIRING
DIAGRAMS.
10. OPEN CIRCUIT IN MOTOR. 10. CHECK FOR OPEN CIRCUIT IN MOTOR
BETWEEN POSITIVE TERMINAL 2 AND
NEGATIVE TERMINAL 1. IF NOT OK,
REPLACE WASHER MOTOR.
11. SEIZED MOTOR BEARINGS. 11. APPLY DIRECT BATTERY VOLTAGE TO
MOTOR TERMINALS. IF MOTOR DOES NOT
RUN, REPLACE MOTOR.
12. NO BUS MESSAGE FROM
MTC CONTROL (MANUAL TEMP.
CONTROL ONLY).12. CHECK FOR CORRECT PCI BUS
MESSAGE WITH DRBIIIT.
RSWIPERS/WASHERS8R-5
WIPERS/WASHERS (Continued)
Page 693 of 2585

CONDITION POSSIBLE CAUSES CORRECTION
COWL GRILLE NOZZLE WILL
NOT FLOW.1. FROZEN NOZZLE. 1. MOVE VEHICLE INTO HEATED AREA TO
ALLOW TIME TO THAW NOZZLE. ASSURE
WASHER FLUID IS PROPERLY BLENDED
FOR AMBIENT OUTSIDE TEMPERATURES.
2. NOZZLE HOSE NOT
FLOWING.2. ASSURE NOZZLE HOSE IS NOT PINCHED,
LOOSE, BROKEN, OR DISCONNECTED. IF
NOT OK, PROPERLY ROUTE OR REPAIR
NOZZLE HOSE.
3. NOZZLE HOSE PLUGGED BY
CONTAMINATION.3. CLEAN NOZZLE HOSE OF
CONTAMINATION. DETERMINE SOURCE OF
CONTAMINATION. INSPECT RESERVOIR
FOR EXCESSIVE CONTAMINATION. CLEAN
SYSTEM AS REQUIRED.
4. NOZZLE PLUGGED BY
CONTAMINATION.4. CLEAN NOZZLE OF CONTAMINATION OR
REPLACE NOZZLE. DETERMINE SOURCE
OF CONTAMINATION. INSPECT RESERVOIR
FOR EXCESSIVE CONTAMINATION. CLEAN
SYSTEM AS REQUIRED.
5. DEFECTIVE WASHER HOSE
CHECK VALVE.5. REPLACE COWL GRILLE PANEL WASHER
HOSE/CHECK VALVE ASSEMBLY.
WASHER FLUID OUTPUT IS
LOW.1. PARTIALLY PINCHED HOSE. 1. ASSURE WASHER HOSE IS NOT
PARTIALLY PINCHED. IF NOT OK,
PROPERLY ROUTE HOSE.
2. REVERSE POLARITY TO
PUMP.2. CHECK FOR CROSSED CIRCUIT TO
PUMP. IF NOT OK, REPAIR CIRCUIT.
3. WORN OUT WASHER PUMP. 3. REPLACE WASHER PUMP.
COWL GRILLE NOZZLE
STREAM OVERSHOOTS
WINDSHIELD.1. NOZZLE NOT SEATED IN
COWL GRILLE.1. ASSURE NOZZLE IS SNAPPED IN PLACE.
WIPER WILL NOT CYCLE
WHEN WASHER SELECT
SWITCH IS DEPRESSED.1. DEFECTIVE IPM. 1. REFER TO IPM DIAGNOSTIC
PROCEDURES IN WIRING DIAGRAMS.
2. DEFECTIVE IPM/BODY
CONTROLLER.2. REFER TO IPM/BODY CONTROLLER
DIAGNOSTIC PROCEDURES IN WIRING
DIAGRAMS.
3. REAR WIPER OUTPUT SHORT
FAULT.3. A GROUND SHORT DETECTED BETWEEN
BCM AND REAR WIPER MOTOR. CLEAR
FAULT. IF IT WON'T CLEAR, REPAIR SHORT
4. REAR WIPER OUTPUT OPEN
FAULT.4. AN OPEN CIRCUIT DETECTED BETWEEN
BCM AND REAR WIPER MOTOR. CLEAR
FAULT. IF IT WON'T CLEAR, REPAIR OPEN
CIRCUIT.
5. NO BUS MESSAGE FROM
MTC CONTROL (MANUAL TEMP.
CONTROL ONLY).5. REFER TO PROPER BODY DIAGNOSTIC
INFORMATION OR USE DRBIIITTO CHECK
PROPER MESSAGE STATUS.
8R - 6 WIPERS/WASHERSRS
WIPERS/WASHERS (Continued)
Page 694 of 2585

CONDITION POSSIBLE CAUSES CORRECTION
WASHER OPERATES
INTERMITTENTLY.1. INTERMITTENT MOTOR
GROUND.INTERMITTENT GROUND BETWEEN MOTOR
CONNECTOR TERMINAL 1 AND IPM PIN 20.
2. INTERMITTENT OPEN IN
WASHER SELECT SWITCH.2. (Refer to 8 - ELECTRICAL/LAMPS/
LIGHTING - EXTERIOR/MULTI-FUNCTION
SWITCH - DIAGNOSIS AND TESTING).
3. DEFECTIVE WASHER MOTOR. 3. REPLACE WASHER MOTOR.
LOW WASHER FLUID LEVEL
INDICATOR INOPERATIVE.1. LOOSE FLUID LEVEL SENSOR
CONNECTOR.1. PROPERLY SEAT CONNECTOR TO LOW
FLUID LEVEL SENSOR AND LOCK.
2. OPEN POWER CIRCUIT TO
FLUID LEVEL SENSOR.2. OPEN OR DEFECTIVE CIRCUIT BETWEEN
IPM CONNECTOR TERMINAL 7 AND THE
LOW FLUID LEVEL SENSOR CONNECTOR
TERMINAL 2. IF NOT OK, REPAIR CIRCUIT.
3. OPEN GROUND CIRCUIT. 3. OPEN OR DEFECTIVE CIRCUIT BETWEEN
FLUID LEVEL SENSOR CONNECTOR
TERMINAL 1 AND FLOOR GROUND 1.
4. DEFECTIVE IPM. 4. REFER TO IPM DIAGNOSTIC
PROCEDURES IN WIRING DIAGRAMS.
5. FLUID LEVEL SENSOR
SWITCH OPEN OR DEFECTIVE.5. APPLY OHMMETER TO THE SWITCH
TERMINALS TO CHECK FOR COMPLETE
CIRCUIT. CYCLE SWITCH FLOAT BACK AND
FORTH BY FILLING AND DEPLETING
RESERVOIR OF WASHER FLUID TO CHECK
FOR PROPER SWITCH FUNCTION. IF NOT
OK, REPLACE LOW FLUID LEVEL SENSOR
SWITCH.
LEAKING WASHER FLUID. 1. PUMP OR SENSOR
GROMMET DEFECTIVE.1. PROPERLY SEAT PUMP OR SENSOR IN
GROMMET. IF NOT OK, REPLACE PUMP OR
SENSOR GROMMET.
2. LEAKING WASHER PUMP. 2. REPLACE WASHER PUMP.
3. LEAKING FLUID LEVEL
SENSOR.3. REPLACE FLUID LEVEL SENSOR.
4. LEAKING OR DEFECTIVE
RESERVOIR BODY.4. REPLACE RESERVOIR BODY.
RSWIPERS/WASHERS8R-7
WIPERS/WASHERS (Continued)
Page 704 of 2585

WIRING
TABLE OF CONTENTS
page page
WIRING DIAGRAM INFORMATION....... 8W-01-1
COMPONENT INDEX.................. 8W-02-1
POWER DISTRIBUTION............... 8W-10-1
GROUND DISTRIBUTION.............. 8W-15-1
BUS COMMUNICATIONS.............. 8W-18-1
CHARGING SYSTEM.................. 8W-20-1
STARTING SYSTEM.................. 8W-21-1
FUEL/IGNITION SYSTEM.............. 8W-30-1
TRANSMISSION CONTROL SYSTEM..... 8W-31-1
VEHICLE SPEED CONTROL............ 8W-33-1
ANTILOCK BRAKES................... 8W-35-1
VEHICLE THEFT SECURITY SYSTEM..... 8W-39-1
INSTRUMENT CLUSTER............... 8W-40-1
HORN/CIGAR LIGHTER/POWER OUTLET . . 8W-41-1
AIR CONDITIONING-HEATER........... 8W-42-1
AIRBAG SYSTEM.................... 8W-43-1
INTERIOR LIGHTING.................. 8W-44-1
BODY CONTROL MODULE............. 8W-45-1
MESSAGE CENTER................... 8W-46-1AUDIO SYSTEM..................... 8W-47-1
REAR WINDOW DEFOGGER............ 8W-48-1
OVERHEAD CONSOLE................. 8W-49-1
FRONT LIGHTING.................... 8W-50-1
REAR LIGHTING..................... 8W-51-1
TURN SIGNALS...................... 8W-52-1
WIPERS............................ 8W-53-1
TRAILER TOW....................... 8W-54-1
POWER WINDOWS................... 8W-60-1
POWER DOOR LOCKS................ 8W-61-1
POWER MIRRORS................... 8W-62-1
POWER SEATS...................... 8W-63-1
POWER SUNROOF................... 8W-64-1
SPLICE INFORMATION................ 8W-70-1
CONNECTOR PIN-OUTS............... 8W-80-1
CONNECTOR/GROUND/SPLICE
LOCATION........................ 8W-91-1
POWER DISTRIBUTION SYSTEM........ 8W-97-1 RSWIRING
8W-1
Page 706 of 2585

8W-01 WIRING DIAGRAM INFORMATION
TABLE OF CONTENTS
page page
WIRING DIAGRAM INFORMATION
DESCRIPTION
DESCRIPTION - HOW TO USE WIRING
DIAGRAMS...........................1
DESCRIPTION - CIRCUIT INFORMATION....5
DESCRIPTION - CIRCUIT FUNCTIONS......6
DESCRIPTION - SECTION IDENTIFICATION
AND INFORMATION....................6
DESCRIPTION - CONNECTOR, GROUND
AND SPLICE INFORMATION..............7
WARNING
WARNINGS - GENERAL.................7
DIAGNOSIS AND TESTING - WIRING
HARNESS............................7
STANDARD PROCEDURE
STANDARD PROCEDURE -
ELECTROSTATIC DISCHARGE (ESD)
SENSITIVE DEVICES...................8
STANDARD PROCEDURE - TESTING OF
VOLTAGE POTENTIAL...................9
STANDARD PROCEDURE - TESTING FOR
CONTINUITY..........................9STANDARD PROCEDURE - TESTING FOR A
SHORT TO GROUND...................9
STANDARD PROCEDURE - TESTING FOR A
SHORT TO GROUND ON FUSES
POWERING SEVERAL LOADS...........10
STANDARD PROCEDURE - TESTING FOR A
VOLTAGE DROP......................10
SPECIAL TOOLS
WIRING/TERMINAL....................10
CONNECTOR
REMOVAL.............................11
INSTALLATION.........................11
DIODE
REMOVAL.............................14
INSTALLATION.........................14
TERMINAL
REMOVAL.............................14
INSTALLATION.........................14
WIRE
STANDARD PROCEDURE - WIRE SPLICING . . 15
WIRING DIAGRAM
INFORMATION
DESCRIPTION
DESCRIPTION - HOW TO USE WIRING
DIAGRAMS
DaimlerChrysler Corporation wiring diagrams are
designed to provide information regarding the vehi-
cles wiring content. In order to effectively use the
wiring diagrams to diagnose and repair
DaimlerChrysler Corporation vehicles, it is important
to understand all of their features and characteris-
tics.
Diagrams are arranged such that the power (B+)
side of the circuit is placed near the top of the page,
and the ground (B-) side of the circuit is placed near
the bottom of the page (Fig. 1).
All switches, components, and modules are shown
in the at rest position with the doors closed and the
key removed from the ignition (Fig. 2).Components are shown two ways. A solid line
around a component indicates that the component is
complete. A dashed line around the component indi-
cates that the component is being shown is not com-
plete. Incomplete components have a reference
number to indicate the page where the component is
shown complete.
It is important to realize that no attempt is made
on the diagrams to represent components and wiring
as they appear on the vehicle. For example, a short
piece of wire is treated the same as a long one. In
addition, switches and other components are shown
as simply as possible, with regard to function only.
SYMBOLS
International symbols are used throughout the wir-
ing diagrams. These symbols are consistent with
those being used around the world (Fig. 3).
RS8W-01 WIRING DIAGRAM INFORMATION8W-01-1
Page 707 of 2585
Fig. 1 WIRING DIAGRAM EXAMPLE 1
8W - 01 - 2 8W-01 WIRING DIAGRAM INFORMATIONRS
WIRING DIAGRAM INFORMATION (Continued)
Page 708 of 2585
Fig. 2 WIRING DIAGRAM EXAMPLE 2
RS8W-01 WIRING DIAGRAM INFORMATION8W-01-3
WIRING DIAGRAM INFORMATION (Continued)
Page 709 of 2585
Fig. 3 WIRING DIAGRAM SYMBOLS
8W - 01 - 4 8W-01 WIRING DIAGRAM INFORMATIONRS
WIRING DIAGRAM INFORMATION (Continued)