GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Controls Schematics 4.3L

Figure 1:

Power, Ground, and MIL Control


Object Number: 691414  Size: FS
Engine Controls Component Views
Electronic Component Description
Knock Sensor and Shift Solenoids
OBD II Symbol Description Notice
B+ Bus Bar
IGNITION, RUN, and START Bus Bar
IGNITION, RUN, and START Bus Bar
RTD, RDO AMP, CRANK, and IGN 0 Fuses
IGN 1, AIR BAG, and SEO IGN Fuses
Power and Ground
G103 and G105 - Gas
Figure 2:

Knock Sensor (KS) and Shift Solenoids


Object Number: 691465  Size: FS
Engine Controls Component Views
Electronic Component Description
TFT Sensor and Pressure Control Solenoid
Power, Ground, and MIL Control
OBD II Symbol Description Notice
RTD, RDO AMP, CRANK, and IGN 0 Fuses
G103 and G105 - Gas
Figure 3:

TFT Sensor and Pressure Control Solenoid


Object Number: 691488  Size: FS
Engine Controls Component Views
Electronic Component Description
Park/Neutral Position (PNP) Switch
Knock Sensor and Shift Solenoids
OBD II Symbol Description Notice
Figure 4:

Park/Neutral Position (PNP) Switch


Object Number: 691489  Size: FS
Engine Controls Component Views
Electronic Component Description
TFT Sensor and Pressure Control Solenoid
OBD II Symbol Description Notice
G100 and G110
G103 and G105 - Gas

Automatic Transmission Controls Schematics 4.8, 5.3, 6.0L

Figure 1:

Power, Ground, Serial Data, and MIL Control


Object Number: 691491  Size: FS
Master Electrical Component List
Electronic Component Description
Brake Switch Signal and Shift Solenoids
OBD II Symbol Description Notice
B+ Bus Bar
IGNITION, RUN, and START Bus Bar
IGNITION, RUN, and START Bus Bar
RTD, RDO AMP, CRANK, and IGN 0 Fuses
Indicators and Serial Data
IGN 1, AIR BAG, and SEO IGN Fuses
IGN 1, AIR BAG, and SEO IGN Fuses
RTD, RDO AMP, CRANK, and IGN 0 Fuses
G103 and G105 - Gas
SP205
Figure 2:

Brake Switch Signal and Shift Solenoids


Object Number: 691637  Size: FS
Master Electrical Component List
Electronic Component Description
TFT Sensor and Pressure Control Solenoid
Power, Ground, Serial Data, and MIL Control
OBD II Symbol Description Notice
IGNITION, RUN, ACCESSORY, and RAP Bus Bars, RAP #1 and RAP #2 Fuses
RTD, RDO AMP, CRANK, and IGN 0 Fuses
Power, Ground, Serial Data - w/o Traction Assist
Cruise Control Module (CCM), Clutch Pedal Position (CPP) Switch, Stoplamp Switch
Figure 3:

TFT Sensor and Pressure Control Solenoid


Object Number: 744395  Size: FS
Master Electrical Component List
Electronic Component Description
Park/Neutral Position (PNP) Switch
Brake Switch Signal and Shift Solenoids
OBD II Symbol Description Notice
Engine Data Sensors - Pressure and Temperature
Figure 4:

Park/Neutral Position (PNP) Switch


Object Number: 691656  Size: FS
Master Electrical Component List
Electronic Component Description
TFT Sensor and Pressure Control Solenoid
OBD II Symbol Description Notice
SP205
G203 - 3 of 4 - Base Pickup
G203 - 3 of 4 - Base Pickup
G203 - 1 of 4
G103 and G105 - Gas