Hummer H2. Manual — part 737
Turn Signal/Multifunction Terminal Identification Switch - C2
Washer Fluid Level Terminal Identification Sensor
Connector Part Information
z
15393435
z
10-Way F Micro-Pack (GY)
Pin
Wire Color
Circuit No.
Function
A-C
-
-
Not Used
D
BK/WH
1851
Ground
E
BN/WH
230
Instrument Panel Lamps Dimming Control
F
GY
391
Rear Window Wiper Switch Signal
G
YE
343
Accessory Voltage
H
D-GN
392
Rear Window Washer Pump Control
J
WH
393
Rear Window Wiper Motor Wash Signal
K
-
-
Not Used
Connector Part Information
z
15339058
z
7-Way F Metri-Pack 150 Series (MD GY)
Pin
Wire Color
Circuit No.
Function
G
-
-
Not Used
H
PK
94
Windshield Washer Switch Signal
J
GY
478
Windshield Washer Switch Supply Voltage
K
D-BU/
WH
477
Windshield Wiper Switch High Signal
L-N
-
-
Not Used
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2
Washer Fluid Pump Terminal Identification - Reversible
Connector Part Information
z
15336024
z
2-Way F GT 150 Sealed (BK)
Pin
Wire Color
Circuit No.
Function
1
BK/WH
174
Low Washer Fluid Indicator Signal
2
BK
150
Ground
Connector Part Information
z
15423480
z
2-Way F Yazaki Sealed (BK)
Pin
Wire Color
Circuit No.
Function
1
RD
228
Windshield Washer Pump Control
2
D-BU
227
Rear Window Washer Pump Control
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2
Windshield Wiper Terminal Identification Motor and Module
DIAGNOSTIC INFORMATION AND PROCEDURES
DIAGNOSTIC STARTING POINT - WIPER/WASHER SYSTEMS
Begin the system diagnosis by reviewing the system Description and Operation. Reviewing the Description and
Operation information will help you determine the correct symptom diagnostic procedure when a malfunction
exists. Reviewing the Description and Operation information will also help you determine if the condition
described by the customer is normal operation. Refer to Symptoms - Wiper/Washer Systems in order to
identify the correct procedure for diagnosing the system and where the procedure is located.
SCAN TOOL DATA LIST
Connector Part Information
z
15326939
z
12-Way F GT 150 SLD (BK)
Pin
Wire Color
Circuit No.
Function
A
D-GN/WH
266
Washer Fluid Pump Supply Voltage
B
RD
228
Windshield Washer Pump Control
C
D-GN
392
Rear Window Washer Switch Signal
D
D-BU
477
Windshield Wiper Switch High Signal
E
GY
478
Windshield Wiper Switch Supply Voltage
F
YE
143
Accessory Voltage
G
BK
1050
Ground
H
D-BU
227
Rear Window Washer Pump Control
J
OG
2268
Washer Fluid Pump Relay Control
K
PK
94
Windshield Washer Switch Signal
L
D-GN
113
Windshield Wiper Switch Signal 2
M
BK
1050
Ground
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2
Scan Tool Data List
SCAN TOOL DATA DEFINITIONS
Front Wipers Active
Input from the windshield wiper motor and module indicating the status of wipers/washer system.
SYMPTOMS - WIPER/WASHER SYSTEMS
z
Wiper/Washer System Description and Operation
z
Rear Wiper/Washer System Description and Operation
Visual/Physical Inspection
z
Inspect for aftermarket devices which could affect the operation of the Windshield Wiper/Washer
System. Refer to Checking Aftermarket Accessories in Wiring Systems.
z
Inspect the easily accessible or visible system components for obvious damage or conditions which could
cause the symptom.
z
Inspect the washer fluid reservoir for the proper fluid level.
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for
Intermittent Conditions and Poor Connections in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
z
Low Washer Fluid Indicator Malfunction
z
Washers Always On
z
Washers Inoperative
z
Wipers Always On
z
Wipers Inoperative - All Modes
z
Wipers Inoperative - One or More Modes
z
Washer Inoperative - Rear
Scan Tool Parameter
Data List
Units Displayed
Typical Data Value
Operating Conditions: BCM powered and communicating with the scan tool.
Front Wipers Active
Inputs
On/Off
Off
IMPORTANT: Refer to the system description and operation from the following list in order to
familiarize yourself with the system functions.
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2
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