Heated steering wheel circuit for Toyota Sienna IV (2020-2024)

A/C AMPLIFIER ASSEMBLY AIR CONDITIONING CONTROL ASSEMBLY BHT BLK WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CXPL ECU- DCC 1 FUSE ECU-IGP 4 FUSE EHT ENGINE ROOM R/B 1 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGP 1 RELAY ENERGIZED LT GRN WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE RED WIRE SPIRAL CABLE SUB-ASSEMBLY STEERING HEATER STEERING HEATER SWITCH STEERING WHEEL HEATER CONTROL ASSEMBLY STRG HTR FUSE WHT WIRE WHT/BLK WIRE