Automatic Transmission Controls Schematics. GMC Truck Yukon XL - 4WD 2001

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Yukon XL - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Automatic Transmission Controls Schematics

Figure 1:	Power, Ground, and Stop Lamp Switch TCC Signal Circuit Master Electrical Component List Electronic Component Description OFF/RUN/START Voltage, Serial Data, and Torque Signals OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar BRAKE, CRUISE, HTR A/C, RR WPR, WS WPR, and SEO ACCY Fuses B+ Bus Bar AIR, RADIO, ECM B, FRT HVAC, and CIGAR Fuses Power, Ground, Serial Data - w/o Traction Assist Cruise Controls Schematics - Diesel G103 and G105 - Gas G105 - Diesel
Figure 2:	OFF/RUN/START Voltage, Serial Data, and Torque Signals Master Electrical Component List Electronic Component Description Park/Neutral Position (PNP) Switch and TCM Power, Ground, and Stop Lamp Switch TCC Signal Circuit Power Take Off (PTO) Switch, Power Take Off Relay, and PCM RTD, RDO AMP, CRANK, and IGN 0 Fuses SP205 RTD, RDO AMP, CRANK, and IGN 0 Fuses G203 - 3 of 4 - Base Pickup G203 - 3 of 4 - Base Pickup G203 - 1 of 4
Figure 3:	Park/Neutral Position (PNP) Switch and TCM Master Electrical Component List Electronic Component Description Speed Sensor and Valve Control Circuits OFF/RUN/START Voltage, Serial Data, and Torque Signals Engine Data Sensors - VSS and Injection Timing Controls Engine Data Sensors - VSS G103 and G105 - Gas
Figure 4:	Speed Sensor and Valve Control Circuits Master Electrical Component List Electronic Component Description TCC Control, Pressure Switch, and Temp Sensor Signal Park/Neutral Position (PNP) Switch and TCM
Figure 5:	TCC Control, Pressure Switch, and Temp Sensor Signal Master Electrical Component List Electronic Component Description Speed Sensor and Valve Control Circuits