Lexus LS IV (2006-2012) Transmission circuit

+B BATT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM CONSOLE SWITCH E/G ECU-IG FUSE EFI FUSE EFI MAIN 2 RELAY EFI MAIN FUSE EFI MAIN RELAY EFI- MAIN 2 FUSE ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) ETCS FUSE FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 4 (RIGHT SIDE OF DASH) MPX PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE STARTING/ CHARGING SYSTEM STP STA TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

1 14 STP GI 25 14 13 17 16 21 11 10 9 8 HSDN MTH- MTH+ REQ- REQ+ ILK HTM- HTM+ CLK- CLK+ ACCELERATOR POSITION SENSOR ASSEMBLY (LEFT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 3 (BEHIND RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE DRIVER SIDE J/B (LEFT END OF DASH) ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) (LEFT FRONT OF ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) ETA M+ M- FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) HOT IN ON OR START HOT IN ON OR START ENGINE ROOM J/B 2 (RIGHT SIDE ECU IG FUSE OF ENGINE COMPT) HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) M- M+ NCA WIRE OF DASH) RED WIRE SFTD SFTU SFTU SFTD STOP FUSE STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) THROTTLE BODY ASSEMBLY TRANSMISSION SHIFT SWITCH (BASE OF TRANSMISSION SHIFTER) VIO WIRE WHT WIRE YEL WIRE

AUTOMATIC TRANSMISSION (LEFT SIDE OF TRANSMISSION) BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT IN ON OR START NTB NTO OIL ORG/ WIRE P-J/B FUSE PNK WIRE RED WIRE SLT- SLU+ STARTING/ CHARGING SYSTEM WHT WIRE YEL WIRE

4 8 PNK WIRE 7 3 2 MPX CANN CANP COMPUTER DATA LINES SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ GRN WIRE BLU/RED BLU/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CBI CEI CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CLK+ COMBINATION METER COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) DRNA DRNC DRND DRNE DRNG ENGINE COMPT) GCS GCSG GENERATOR REVOLUTION SENSOR GMT GMTG GRF GRFG GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GSN GSN GSNG GCS GCSG GRF GRFG GSNG HSDN HTM- HYBRID MODE SELECT SWITCH I/F I/F ILK IND INVERTER J/C LT GRN WIRE MASTER MCS MCSG MICRO COMPUTER MMT MMTG MOTOR GENERATOR 1 (REAR OF ENGINE COMPT) MOTOR GENERATOR 2 (REAR OF ENGINE COMPT) MOTOR REVOLUTION SENSOR MPX MRF MRFG MSN MSNG MSNG MCSG MRF MCS MSN MRFG MTH+ NCA WIRE ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE RED/WHT WIRE REQ+ VIO WIRE WHT WIRE WHT/BLK WIRE WITH CONVERTER INVERTER ASSEMBLY YEL WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CAN CONTROLLER CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM CUTD D MPX-B 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) ECT PWR IND ECT SNOW IND ELECTRIC POWER CONTROL ECU BCUT FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B P-D/C CUT FUSE (RIGHT END OF DASH) HOT IN ON OR START J/B 4 (RIGHT SIDE OF DASH) LED DRIVER MASTER IND NTB NTO PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE SLT- SLU+ STOP FUSE STOP LIGHT SWITCH (LEFT SIDE OF DASH) TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE YEL WIRE

25 24 34 29 GMT GMTG TOPM 4 9 6 8 3 2 5 1 7 MJ FD BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE DRIVER SIDE J/B (LEFT END OF DASH) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON TRANSMISSION ASSEMBLY) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (RIGHT END OF DASH) P MPX B FUSE HOT IN ON OR START HV BATTERY THERMOMETER (REAR OF VEHICLE) HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE OIL PUMP THERMISTOR (RIGHT SIDE OF ENGINE) ORG/ WIRE P-J/B FUSE PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PNK 22 23 8 18 19 20 11 10 2 3 33 1 17 16 15 14 13 27 26 12 MMTG MMT SP WIRE PNK WIRE PNK/YEL WIRE RED WIRE RED/YEL WIRE RV FD MJ THB THO THO +BS VIO WIRE WHT WIRE YEL WIRE

+B CAN+ CAN- CANL CANH TC 1 24 25 22 32 23 21 28 19 +BM 24 2 13 8 22 21 28 23 20 29 7 3 SPD STAR STP IGSW 6 4 5 3 1 2 VTA 7 8 16 20 29 1 2 10 9 13 14 21 SFTD SFTU BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BR- BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (FRONT LEFT EVGR GRN WIRE GRN/RED WIRE GRN/YEL WIRE J/B 3 (RIGHT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE M+ M- ETA VCTA M- M+ MASS AIR FLOW METER (BANK 1) (TOP LEFT SIDE OF ENGINE) MASS AIR FLOW METER (BANK 2) (TOP RIGHT SIDE OF ENGINE) NCA WIRE OF ENGINE) ORG/ WIRE PNK WIRE RED WIRE RED/BLU WIRE SFTD SFTU SHIFT DOWN SHIFT UP SPIRAL CABLE (IN STEERING COLUMN) STA NSW STARTING/CHARGING SYSTEM STEERING PAD SWITCH W/ MODULATOR THA THAR THROTTLE POSITION SENSOR (ON THROTTLE BODY) TRANSMISSION SHIFT SWITCH (BASE OF TRANSMISSION SHIFTER) VCPA EPA VPA BATT MREL VG THA VGR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE