Hummer H2. Manual — part 566
Seat Front Vertical Motor Terminal Identification - Front Passenger
Seat Lumbar Motor Terminal Identification - Front Passenger
Connector Part Information
z
12020556
z
2-Way F Metri-Pack 480 Series (BK)
Pin
Wire Color
Circuit No.
Function
A
BK
287
Driver Seat Front Vertical Motor Down Control
B
RD
286
Driver Seat Front Vertical Motor Up Control
Connector Part Information
z
12020556
z
2-Way F Metri-Pack 480 Series (BK)
Pin
Wire Color
Circuit No.
Function
A
BK
298
Passenger Seat Front Vertical Motor Down Control
B
RD
297
Passenger Seat Front Vertical Motor Up Control
Connector Part Information
z
12052109
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Seats - Hummer H2
Seat Rear Vertical Motor Terminal Identification - Driver
Seat Rear Vertical Motor Terminal Identification - Front Passenger
z
2-Way F Metri-Pack 280 Series (BU)
Pin
Wire Color
Circuit No.
Function
A
D-BU
211
Passenger Seat Lumbar Motor Forward Control
B
WH
210
Passenger Seat Lumbar Motor Rearward Control
Connector Part Information
z
12020556
z
2-Way F Metri-Pack 480 Series (BK)
Pin
Wire Color
Circuit No.
Function
A
BK
283
Driver Seat Front Vertical Motor Down Control
B
RD
297
Driver Seat Front Vertical Motor Up Control
Connector Part Information
z
12020556
z
2-Way F Metri-Pack 480 Series (BK)
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Seats - Hummer H2
Seat Recline Motor Terminal Identification - Driver
Seat Recline Motor Terminal Identification - Front Passenger
Pin
Wire Color
Circuit No.
Function
A
BK
289
Passenger Seat Rear Vertical Motor Down Control
B
RD
288
Passenger Seat Rear Vertical Motor Up Control
Connector Part Information
z
12129082
z
2-Way F Metri-Pack 480 Series (M-GY)
Pin
Wire Color
Circuit No.
Function
A
L-BU
277
Driver Seat Recline Motor Rearward Control
B
L-GN
276
Driver Seat Recline Motor Forward Control
Connector Part Information
z
12129082
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Seats - Hummer H2
DIAGNOSTIC INFORMATION AND PROCEDURES
DIAGNOSTIC STARTING POINT - SEATS
Begin memory and heated seat system diagnosis with Diagnostic System Check - Power Seat Systems .
The Diagnostic System Check will provide the following information.
z
Identification of the control modules that command the system.
z
The ability of the control modules to communicate with a serial data circuit.
z
Identification of stored diagnostic trouble codes and their status.
The use of the Diagnostic System Check will identify the correct the correct procedure for diagnosing the
system and where the procedure is located.
DIAGNOSTIC SYSTEM CHECK - POWER SEAT SYSTEMS
Test Description
The numbers below refer to the step numbers on the diagnostic table.
2: The lack of communication may be caused by a partial or a total malfunction of the class 2 serial data
circuit. The specified procedure will determine the particular condition.
4: If no DTCs are present refer to the symptom list in Symptoms in order to determine the correct
diagnostic procedure to use.
5: The presence of DTCs which begin with "U" indicate some other module is not communicating. The
specified procedure will collect all the available information before tests are performed.
Diagnostic System Check - Power Seat Systems
z
2-Way F Metri-Pack 480 Series (M-GY)
Pin
Wire Color
Circuit No.
Function
A
D-BU
77
Passenger Seat Recline Motor Rearward
B
D-GN
76
Passenger Seat Recline Motor Forward
Step
Action
Yes
No
1
Install a scan tool.
Does the scan tool power up?
Go to Step 2
Go to Scan Tool Does Not
Power Up in Data Link
Communications
1. Turn ON the ignition, with the
engine OFF.
2. Attempt to establish
communication with the
following control modules:
2004 Hummer H2
2004 ACCESSORIES & EQUIPMENT Seats - Hummer H2
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