Chevrolet Avalanche II (2006-2013) computer data lines system Wiring diagrams

27 28 GMLAN SERIAL DATA BUS - GMLAN SERIAL DATA BUS + 68 18 1 MIL CTRL WAKUP SERIAL DATA PARK/NEUTRAL SIG 71 72 REPLICATED TOS SIG SIGNAL RETURN AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUX HVAC-IGN FUSE 48 B+ GND BRAKE SW SIG BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY(DIC) GND ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE 19 GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN IGN IGN VOLTAGE IND INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) CADILLAC GMC/ CHEVROLET LOGIC LOW REFERENCE LT BLU/WHT WIRE LT GRN/WHT WIRE MIL IND MISC-IGN FUSE 43 ORG/BLK WIRE PC SOLENOID 1 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL PNK WIRE PPL/WHT WIRE PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED/WHT WIRE REPLICATED TOS SIG SHIFT SOLENOID (SS) 1 CONTROL SHIFT SOLENOID (SS) 2 CONTROL SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCM- BATT FUSE 14 TO CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 2 OF 2) TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL TOW/ HAUL TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (RIGHT REAR OF TRANSMISSION) W/ ACTIVE CONTROL TRANSFER CASE W/ ACTIVE TRANSFER CASE CONTROL W/ HEATED STEERING WHEEL W/O ACTIVE CONTROL TRANSFER CASE

ACCESSORY WAKE UP SERIAL DATA AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE FROM CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 1 OF 2) GMLAN GMLAN SERIAL SERIAL DATA DATA BUS - BUS + GMLAN SERIAL DATA BUS + GRN WIRE GROUND GRY WIRE INPUT SPEED SENSOR (ISS) INPUT SPEED SENSOR (ISS) SIGNAL ISS/OSS CTRL LT BLU WIRE NCA WIRE OUTPUT SPEED SENSOR (OSS) OUTPUT SPEED SENSOR (OSS) SIGNAL PNK WIRE PPL RED WIRE TAN WIRE TAN/BLK WIRE TAP TOW/ UP/ HAUL TAP SW DOWN SIG SW SIG TFP SWITCH 1 VOLTAGE TFP SWITCH 3 VOLTAGE TFP SWITCH 4 VOLTAGE TFP SWITCH 5 VOLTAGE TOW/ HAUL SWITCH TRANSMISSION CONTROL MODULE (TCM) CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P WHT WIRE YEL WIRE

2 HI 2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND 5 VOL REF ENCODER SIG 8 VOL REF LOW REF SW SIG PPL AUTO AUX HVAC-IGN FUSE 48 B+ GND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE CONTROL BREAKOUT) BRN WIRE BRN/WHT WIRE CADILLAC GMC, CHEVROLET COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENCODER FRONT AXLE ACTUATOR (FRONT AXLE HOUSING) FRONT PROPSHAFT SPEED SENSOR (LEFT SIDE OF TRANSFER CASE) FUSE 19 GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN VOLT ILLUMINATION INSTRUMENT PANEL INSTRUMENT PANEL CLUSTER (IPC) LAMP LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LOCK SOL CTRL LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 MOTOR CTRL B MOTOR CTRL A NCA WIRE NEUT NEUTRAL IND NEUTRAL IND CTRL ORG/ WIRE ORG/WHT WIRE PNK AWD IND CTRL AXLE ACTUATOR CTRL WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE REAR PROPSHAFT SPEED SENSOR (TRANSFER CASE EXTENSION HOUSING) RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (LEFT SIDE OF TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LEFT END OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE 67 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE W/ ACTIVE TWO SPEED TRANSFER CASE CONTROL W/ HEATED STEERING WHEEL WAKE UP SIG WHT WIRE WHT/LT GRN WIRE YEL WIRE YEL/BLK WIRE

1 2 3 5704 6188 5706 ENDGATE RLY COIL L/GLASS CTRL ENDGATE RLY COIL 13 12 24 REAR SW OPEN SIG LIFTGATE AJAR SW L/GLASS SIG BLK PNK/ WIRE BLK WIRE BLU LT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) CHEVROLET/ GMC CADILLAC COMPUTER DATA LINES SYSTEM CONNECTOR ADAPTER DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY GMLAN SERIAL GRY WIRE HOT AT ALL TIMES FUSE HOLDER (ON POSITIVE BATTERY POST) HOT AT ALL TIMES I/P FUSE BLOCK RT STOP (LEFT END TURN OF DASH) FUSE L/GATE PCB RELAY L/GATE RELSE FUSE 44 LIFTGATE HANDLE SWITCH LIFTGATE LATCH ASSEMBLY (CENTER OF LIFTGATE) LIFTGATE WINDOW LATCH ASSEMBLY LIFTGATE WINDOW LIFTGATE WINDOW AJAR SWITCH RELEASE ACTUATOR LIFTGATE WINDOW RELEASE SWITCH LOGIC LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE NCA WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE REAR WINDOW WIPER MOTOR (CENTER OF LIFTGATE) RED/BLK WIRE RED/WHT WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WIPER/ WASHER SYSTEM YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 MTR OPEN MTR CLOSE 1 2 3 4 5 6 LATCH MTR OPEN LATCH MTR CLOSE B+ B+ AJAR SW SIG OPEN/CLOSE SW BLK WIRE BRN WIRE BRN/WHT WIRE CHEVROLET/ GMC CADILLAC COMPUTER DATA LINES SYSTEM CONNECTOR ADAPTER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGAGE CTRL DIS ENGAGE CTRL GRD GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT END OF DASH) INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIFTGATE CONTROL SWITCH LEFT LIFTGATE OBJECT SENSOR (LEFT EDGE OF LIFTGATE) LGM FUSE 71 LIFTGATE ACTUATOR ASSEMBLY LIFTGATE ACTUATOR CLUTCH LIFTGATE ACTUATOR MOTOR LIFTGATE ACTUATOR SWITCH LIFTGATE CLOSE SWITCH (BOTTOM RIGHT OF LIFT GATE) LIFTGATE HANDLE SWITCH LIFTGATE LATCH ASSEMBLY (CENTER OF LIFTGATE) LIFTGATE WINDOW AJAR SWITCH LIFTGATE WINDOW LATCH ASSEMBLY LOGIC LOW REF LT BLU WIRE LT BLU/WHT WIRE NCA WIRE OBS DET FUSE OPEN SW LOW REF ORG/ WIRE PNK/BLK WIRE POS SIG 1 POS SIG 2 SIG RTN PPL POWER LIFTGATE MODULE (LEFT REAR OF CARGO AREA) PPL PPL/WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT LIFTGATE OBJECT SENSOR (RIGHT EDGE OF LIFTGATE) SW OPEN SIG SW SIGNAL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM

10 VOLT REF 10 VOLT REF SENS LEFT SIG SENS RIGHT SIG LOW REFERENCE LOW REFERENCE 7468 7464 7467 7465 7466 7463 PNK WIRE ASSIST STEP CONTROL MODULE (UNDER LEFT CENTER OF VEHICLE) BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ELEC RUN BOARD FUSE 65 GMLAN SERIAL GMLAN SERIAL DISABLE SIGNAL GRY WIRE HOT AT ALL TIMES I/P MULTI-FUNCTION SWITCH CHEVROLET, GMC CADILLAC LEFT RUNNING BOARD (UNDER LEFT SIDE OF VEHICLE) LOGIC LT GRN WIRE ORG/ WIRE PNK WIRE PPL R CTRL RETRACT GROUND L CTRL EXTEND R CTRL EXTEND BATT L CTRL RETRACT RED/BLK WIRE RIGHT RUNNING BOARD (UNDER RIGHT SIDE OF VEHICLE) TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

16 17 DATA BUS+ DATA BUS- 4 2 PNK RUN/CRK WIRE 52 1 28 27 STRT RLY P/N SIG DATA BUS+ DATA BUS- 6 SPEED A/T AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE HOLDER (ON POSITIVE BATTERY POST) GRY WIRE IGNITION SWITCH OFF ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/BLK WIRE RUN WIRE STARTER MOTOR STRTR FUSE 62 STRTR RELAY TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL/BLK WIRE

AIR BAG AIR BAG IND BAG ON BELT IND PASS SEAT BLK WIRE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DRIVER INFLATABLE RESTRAINT SEAT POSITION SENSOR (UNDER DRIVER'S SEAT) DRIVER SEAT BELT PRETENSIONER DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE (DRIVER'S SEAT BELT BUCKLE) GMLAN LO SPD GRY WIRE GRY/BLK WIRE IND CTRL IND CTRL BAG OFF PASS AIR INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INSTRUMENT PANEL CLUSTER LEFT I/P JUNCTION BLOCK (LEFT END LOGIC LT BLU/BLK WIRE LT GRN WIRE LT GRN/WHT WIRE NCA WIRE OF DASH) OFF IND ON IND. PASS AIR PASSENGER SEAT BELT PRETENSIONER PNK WIRE PNK/BLK WIRE PPL SEAT BELT IND SHORTING BAR TAN/ORG WIRE TAN/WHT WIRE W/ NON BUCKET FRONT INDIVIDUAL SEAT WHT/BLK WIRE YEL WIRE

AIR BAG IGN FUSE 40 BATT POSITIVE VOLT BLK/WHT WIRE BRN WIRE CADILLAC, GMC, CHEVROLET EXCEPT HYBRID COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GMC/ CHEVROLET, HYBRID GROUND GRY WIRE HOT AT ALL TIMES AIR BAG BATT FUSE 45 HOT IN ON OR START I/P MOD HI CTRL STAGE 1 I/P MOD HI CTRL STAGE 2 I/P MOD LO CTRL STAGE 1 I/P MOD LO CTRL STAGE 2 IGN VOLT INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) SENSOR INFLATABLE RESTRAINT I/P MODULE (RIGHT SIDE OF DASH) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE (ON STEERING WHEEL) LEFT I/P JUNCTION BLOCK (LEFT END LO SPD GMLAN SERIAL DATA LOW REFERENCE LOW SPD GMLAN OF DASH) ORG/ WIRE PIN SHORTING BARS ENGAGED WHEN MODULE CONNECTOR IS DISCONNECTED FROM HARNESS: PNK WIRE PPL RED/WHT WIRE SEAT) SENSOR SIGNAL SHORTING BAR STEER WHL HI CTRL STAGE 1 STEER WHL HI CTRL STAGE 2 STEER WHL LO CTRL STAGE 1 STEER WHL LO CTRL STAGE 2 TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VOLTAGE REFERENCE W/ NON BUCKET FRONT INDIVIDUAL WHT WIRE YEL WIRE

14 15 RR AJAR SW LR AJAR SW 2 3 5 8 9 10 B+ B+ GND BUS (+) BUS (-) GMLAN 2 8 12 17 B+ PRK LP SIG HDLP ON SIG HDLP OFF SIG 4 9 B+ GND 41 43 44 45 DRV SEAT SIG LOW REF LOW REF PASS SEAT SIG 450 (OR 451) 5 13 9 LOW REF LF AJAR SIG GMLAN 9 5 13 COMPUTER DATA LINES SYSTEM GMLAN LOW REF RF AJAR SIG BCM FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) BRAKE IND CHEVROLET/GMC CADILLAC COMPUTER DATA LINES SYSTEM DIM FUSE DK BLU WIRE DK GRN WIRE DLIS FUSE 35 DOOR DRIVER DOOR LATCH ASSEMBLY (DRIVER'S DOOR) DRIVER DOOR LOCK/WINDOW SWITCH DRIVER SEAT BELT BUCKLE (DRIVER'S SEAT BELT BUCKLE) DRIVER SEAT BELT SWITCH GRY/BLK WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER DRIVER'S SEAT) INSTRUMENT PANEL CLUSTER (IPC) IS LAMPS FUSE KEY-IN SWITCH LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) LEFT REAR DOOR LATCH ASSEMBLY (LEFT REAR DOOR) LOGIC LOW TIRE PRESSURE IND LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF ORG/ WIRE PARK AUTO OFF PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PASSENGER DOOR LATCH ASSEMBLY (FRONT PASSENGER'S PASSENGER DOOR LOCK/WINDOW SWITCH PNK IGN WIRE PNK WIRE PPL PRK BKE SW RADIO RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY (RIGHT REAR DOOR) RUN WIRE SEAT BELT IND SERIAL DATA STOP LAMPS FUSE SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM PNK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) W/O NON- BUCKET INDIVIDUAL SEAT W/ NON-BUCKET INDIVIDUAL SEAT W/O NON-BUCKET FRONT INDIVIDUAL SEAT W/ NON-BUCKET FRONT INDIVIDUAL SEAT WHT WIRE YEL WIRE