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Home/Chevrolet/Silverado Classic 2500 HD/Chevrolet Silverado Classic 2500 HD (2007-2007)/Repair manual/Body Electrical/Hybrid Controls: Specifications
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Hybrid Controls: Specifications Chevrolet Silverado Classic 2500 HD

Body Electrical 15 illustrations ~214 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
14-Volt Positive/Negative Battery Cable Bolt9 N.m80 lb in
3-Phase Cable Bracket Cover Bolt9 N.m80 lb in
3-Phase Cable Bracket Nut9 N.m80 lb in
3-Phase Cable Cover Nut9 N.m80 lb in
3-Phase Cable Nut to Generator Control Module15 N.m11 lb ft
3-Phase Cable Nut to Stator14 N.m10 lb ft
42-Volt Positive/Negative Battery Cable Bolt9 N.m80 lb in
Battery Generator Control Module Nut6 N.m53 lb in
Crossbar Bolt100 N.m74 lb ft
Flexplate Bolt100 N.m74 lb ft
Generator Control Module Bolt20 N.m15 lb ft
Generator Control Module Cover Bolt9 N.m80 lb in
Starter/Generator Stator Stud16 N.m12 lb ft
Transmission Fill Tube Bracket Nut18 N.m13 lb ft
Transmission Heat Shield Bolt17 N.m13 lb ft
Transmission Mount Nut40 N.m29 lb ft
Transmission Support Bolt70 N.m50 lb ft

Fastener Tightening Specifications

Scheme 17

Scheme 17: Hybrid Controls Schematics
Scheme 17: Hybrid Controls Schematics

Scheme 18

Scheme 18
Scheme 18

Scheme 19

Scheme 19
Scheme 19

Scheme 20

Scheme 20: Hybrid Controls Component Views
Scheme 20: Hybrid Controls Component Views
CalloutComponent Name
1Energy Storage Control Module (ESCM)
2400A Fuse Holder
3Energy Storage Box (ESB) Fan
4Battery Cut Off Switch
5Voltage Sensor - 1
6Temperature Sensor - Battery 1
7C340
8Battery 1
9Voltage Sensor - 2
10Temperature Sensor - Battery 2
11Battery 2
12Current Sensor
13Auxiliary Power Outlet
14Voltage Sensor - 3
15Temperature Sensor - Battery 3
16Battery 3
17Voltage Sensor - 4
18Auxiliary Power Outlet Connector
19C341
20Service Disconnect Switch
21G311
22G310

Scheme 21

Scheme 21
Scheme 21
CalloutComponent Name
13-Phase Cable
2Power Steering Pump Harness
3Auxiliary Battery Cable Jumpstart Lead
4Dash Panel
5Auxiliary Battery Cable Terminal to Fuse Block - Underhood
6Battery Cable Terminal to Fuse Block - Underhood
7Positive Battery Cable
8Negative Battery Terminal
9Power Steering Pump Connector C2
10G100
11G105
12Starter/Generator Rotor
13Starter/Generator Stator
14Battery Cable Harness
15C121
16C122
17Starter/Generator Control Module

Scheme 22

Scheme 22
Scheme 22
CalloutComponent Name
1Starter/Generator Control Module Coolant Pump
2Hood Ajar Switch
3Forward Lamp Harness

Scheme 23

Scheme 23
Scheme 23
CalloutComponent Name
1Hybrid Control Module (HCM)

Scheme 24

Scheme 24: Battery Cut Off Switch (HP2)
Scheme 24: Battery Cut Off Switch (HP2)
Connector Part Information OEM: 6189-1046 Service: See Catalog Description: 5-Way F TS Series Sealed (BK)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Battery Cut Off Switch (HP2) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
1WH1-BCOGround
2WH2-BCOBCO Status
3WH3-BCOBCO Control - A
4WH4-BCOBCO Control - B
5WH5-BCOBattery Positive Voltage

Battery Cut Off Switch (HP2) Connector Terminal Identification

Scheme 25

Scheme 25: Energy Storage Control Module (ESCM) - C1 (HP2)
Scheme 25: Energy Storage Control Module (ESCM) - C1 (HP2)
Connector Part Information OEM: 967224-C1 Service: See Catalog Description: 30-Way F (BK)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Energy Storage Control Module (ESCM) - C1 (HP2) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
1WH1-NTC-1Temperature Sensor Signal - 1
2WH1-NTC-2Temperature Sensor Signal - 2
3-7Not Used
8WH2-BCOBCO Control - A
9WH4-BCOBCO Control - B
10WH2-BCOBCO Status
11WH1-BCOGround
12WH2-CSCurrent Sensor Signal - B
13WH3-CSCompensating Coil Voltage
14WH5-BCOBattery Positive Voltage
15WH2-FANLow Reference
16Not Used
17WH2-NTC-2Low Reference
18WH2-NTC-1Low Reference
19WH2-NTC-3Low Reference
20WH1-NTC-3Temperature Sensor Signal - 3
21WH1-R2Voltage Sensor Signal - 2
22Not Used
23WH1-R1Voltage Sensor Signal - 1
24WH1-R4Voltage Sensor Signal - 4
25WH1-R3Voltage Sensor Signal - 3
26Not Used
27WH1-CSCurrent Sensor Signal - A
28WH4-CSLow Reference
29WH4-FAN5-Volt Reference
30WH1-FANFan Speed Signal

Energy Storage Control Module (ESCM) - C1 (HP2) Connector Terminal Identification

Scheme 26

Scheme 26: Energy Storage Control Module (ESCM) - C2 (HP2)
Scheme 26: Energy Storage Control Module (ESCM) - C2 (HP2)
Connector Part Information OEM: 967224-C2 Service: See Catalog Description: 48-Way F (BK)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Energy Storage Control Module (ESCM) - C2 (HP2) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
1-14Not Used
15WH1-CARHigh Speed GMLAN Serial Data (+)
16-17Not Used
18WH7-CARIgnition 1 Voltage
19-23Not Used
24WHGND-CARGround
25-38Not Used
39WH2-CARHigh Speed GMLAN Serial Data (-)
40-41Not Used
42WH8-CARIgnition 0 Voltage
43-47Not Used
48WH3-CARBattery Positive Voltage

Energy Storage Control Module (ESCM) - C2 (HP2) Connector Terminal Identification

Scheme 27

Scheme 27: Hood Ajar Switch (HP2)
Scheme 27: Hood Ajar Switch (HP2)
Connector Part Information OEM: 15326801 Service: 15306156 Description: 2-Way F GT 150 Series (BK)
Terminal Part Information Terminal/Tray: 12191819/8 Core/Insulation Crimp: E/A Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Hood Ajar Switch (HP2) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
APK/BK109Hood Ajar Switch Signal
BOG/BK1057Low Reference

Hood Ajar Switch (HP2) Connector Terminal Identification

Scheme 28

Scheme 28: Hybrid Control Module (HCM) (HP2)
Scheme 28: Hybrid Control Module (HCM) (HP2)
Connector Part Information OEM: 15430224 Service: See Catalog Description: 56-Way F Micro-Pack 64 Series Sealed (BU)
Terminal Part Information Terminal/Tray: 15359541/4 Core/Insulation Crimp: M/M Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Hybrid Control Module (HCM) (HP2) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
1OG1940Battery Positive Voltage
2PK1020Ignition 0 Voltage
3-7Not Used
8PK/BK109Hood Ajar Switch Signal
9PU5681APO Switch Signal
10-11Not Used
12PK1939Ignition 1 Voltage
13-27Not Used
28PU/WH5687Class 2 Serial Data
29BK/WH451Ground
30-33Not Used
34OG/BK1057Low Reference
35-39Not Used
40TN/WH2500High Speed GMLAN Serial Data (+)
41TN2501High Speed GMLAN Serial Data (-)
42Not Used
43BK/WH451Ground
44Not Used
45YE5680APO Switch Indicator Control
46-47Not Used
48PK/WH5537Transmission Pump Relay Control
49PU/WH5539Power Maintain Relay Coil Control
50Not Used
51WH5542Auxiliary Heater Pump Relay Control
52BN/WH5682Low Reference
53Not Used
54TN/WH2500High Speed GMLAN Serial Data (+)
55TN2501High Speed GMLAN Serial Data (-)
56Not Used

Hybrid Control Module (HCM) (HP2) Connector Terminal Identification

Scheme 29

Scheme 29: Starter/Generator Control Module SGCM - C2 (HP2)
Scheme 29: Starter/Generator Control Module SGCM - C2 (HP2)
Connector Part Information OEM: 15416792 Service: See Catalog Description: 2-Way F Series Sealed (BK)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Starter/Generator Control Module SGCM - C2 (HP2) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
ABK50Ground
BRD102Battery Positive Voltage

Starter/Generator Control Module SGCM - C2 (HP2) Connector Terminal Identification

Scheme 30

Scheme 30: Starter/Generator Control Module SGCM - C3 (HP2)
Scheme 30: Starter/Generator Control Module SGCM - C3 (HP2)
Connector Part Information OEM: 15416789 Service: See Catalog Description: 2-Way F Series Sealed (BK)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Starter/Generator Control Module SGCM - C3 (HP2) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
ARD5084High Voltage Battery (+)
BBK5691High Voltage Battery (-)

Starter/Generator Control Module SGCM - C3 (HP2) Connector Terminal Identification

Scheme 31

Scheme 31: Starter/Generator Control Module SGCM - C4 (HP2)
Scheme 31: Starter/Generator Control Module SGCM - C4 (HP2)
Connector Part Information OEM: 12129225 Service: See Catalog Description: 24-Way F Micro-Pack 100 Series Sealed (WH)
Terminal Part Information Terminal/Tray: 12084913/5 Core/Insulation Crimp: W/W Release Tool/Test Probe: 12122523/J-35616-6 (BN) Pins: 12 Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Starter/Generator Control Module SGCM - C4 (HP2) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
1TN/WH2500High Speed GMLAN Serial Data (+)
2TN/WH2500High Speed GMLAN Serial Data (+)
3-6Not Used
7YE/BK625Starter Enable Relay Control
8PK1020Ignition 0 Voltage
9L-BU/BK647Medium Resolution Engine Speed Signal
10-11Not Used
12WH2368Cooling Fan Clutch Supply Voltage
13TN2501High Speed GMLAN Serial Data (-)
14TN2501High Speed GMLAN Serial Data (-)
15-20Not Used
21WH121Engine Speed Signal
22-23Not Used
24PK2014Coolant Pump Relay Control

Starter/Generator Control Module SGCM - C4 (HP2) Connector Terminal Identification

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