W1 OEM-T121-121 · ECM + coil power (J271 relay feed) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-T121-21 · ECM power (J271 relay feed) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 KV12-D-1 · ECU 14V Supply — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 KV12-D-2 · Auxiliary Output 13-16 14V Supply — 0.85 mm² (≈18 AWG) — — — × W5 SP-14V-1 KV12-D-20 · Auxiliary Output 9-12 14V Supply — 0.85 mm² (≈18 AWG) — — — × W6 OEM-T121-1 · ECU ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-T121-2 · ECU ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 KV12-A-19 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 KV12-B-34 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 KV12-B-9 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 KV12-C-1 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W12 SP-GND-1 KV12-C-26 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W13 OEM-T121-108 · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W14 OEM-T121-29 · MAF sensor ground (G70) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W15 OEM-T121-34 · Accelerator pedal position 1 ground (G79) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-T121-36 · Accelerator pedal position 2 ground (G185) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-T121-90 · Crank position sensor ground (G28) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-T121-91 · Throttle position sensor ground (G187/G188) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W19 SP-0V-1 KV12-C-17 · Analog Sensor 0V Reference — 0.5 mm² (≈20 AWG) — — — × W20 SP-0V-1 KV12-C-25 · Analog Sensor 0V Reference — 0.5 mm² (≈20 AWG) — — — × W21 OEM-T121-72 · Accelerator pedal position 1 5V supply (G79) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-T121-83 · Throttle position sensor 5V supply (G187/G188) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-T121-99 · Knock sensor 5V supply (G61/G66) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W24 SP-5V1-1 KV12-D-21 · Sensor Supply Vref1: 5.0V — 0.5 mm² (≈20 AWG) — — — × W25 OEM-T121-73 · Accelerator pedal position 2 5V supply (G185) SP-5V2-1 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-T121-98 · Cam + boost sensor 5V supply (G40/G31) SP-5V2-1 — 0.5 mm² (≈20 AWG) — — — × W27 SP-5V2-1 KV12-D-22 · Sensor Supply Vref2: 5.0V — 0.5 mm² (≈20 AWG) — — — × W28 OEM-T121-82 · Crank position sensor (G28) KV12-D-4 · Crank Index Sensor + — 0.5 mm² (≈20 AWG) — — — × W29 SP-0V-1 KV12-D-5 · Crank Index Sensor - — 0.5 mm² (≈20 AWG) — — — × W30 OEM-T121-86 · Camshaft position sensor (G40) KV12-D-6 · Sync Sensor + — 0.5 mm² (≈20 AWG) — — — × W31 SP-0V-1 KV12-D-7 · Sync Sensor - — 0.5 mm² (≈20 AWG) — — — × W32 OEM-T121-106 · Knock sensor 1 (G61) KV12-D-11 · Knock 1 + — 0.5 mm² (≈20 AWG) — — — × W33 OEM-T121-107 · Knock sensor 2 (G66) KV12-D-17 · Knock 2 + — 0.5 mm² (≈20 AWG) — — — × W34 OEM-T121-102 · Ignition coil 1 (N127) KV12-B-26 · Ignition Channel 1 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-T121-95 · Ignition coil 2 (N128) KV12-B-27 · Ignition Channel 2 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-T121-103 · Ignition coil 3 (N158) KV12-B-28 · Ignition Channel 3 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-T121-94 · Ignition coil 4 (N163) KV12-B-29 · Ignition Channel 4 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-T121-96 · Injector 1 (N30) KV12-B-1 · Injection Channel 1 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-T121-89 · Injector 2 (N31) KV12-B-2 · Injection Channel 2 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-T121-97 · Injector 3 (N32) KV12-B-3 · Injection Channel 3 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-T121-88 · Injector 4 (N33) KV12-B-4 · Injection Channel 4 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-T121-118 · Throttle motor G186 (−) KV12-B-19 · Auxiliary Output 10 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-T121-117 · Throttle motor G186 (+) KV12-B-18 · Auxiliary Output 9 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-T121-3 · Ignition switch +12V (term 15) KV12-D-15 · Ignition Switch Input — 0.5 mm² (≈20 AWG) — — — × W45 OEM-T121-53 · MAF sensor signal (G70) KV12-C-2 · Analog Input Channel 1 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-T121-101 · Boost pressure sensor (G31) KV12-C-3 · Analog Input Channel 2 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-T121-33 · Accelerator pedal position 1 (G79) KV12-C-4 · Analog Input Channel 3 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-T121-84 · Throttle position sensor 1 (G187) KV12-C-5 · Analog Input Channel 4 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-T121-35 · Accelerator pedal position 2 (G185) KV12-C-6 · Analog Input Channel 5 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-T121-92 · Throttle position sensor 2 (G188) KV12-C-7 · Analog Input Channel 6 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-T121-93 · Engine coolant temperature (G62) KV12-C-8 · Analog Input Channel 7 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-T121-65 · Fuel pump relay control KV12-D-9 · EFI Relay Output (Low Side 200mA) — 0.5 mm² (≈20 AWG) — — — × W53 OEM-T121-66 · Secondary-air pump relay (J299) KV12-B-14 · Auxiliary Output 5 — 0.5 mm² (≈20 AWG) — — — × W54 OEM-T121-5 · Wideband lambda heater (Z19) KV12-A-10 · Lambda 1 Heater - — 0.5 mm² (≈20 AWG) — — — × W55 OEM-T121-63 · Post-cat lambda heater (Z29) KV12-A-11 · Lambda 2 Heater - — 0.5 mm² (≈20 AWG) — — — × W56 OEM-T121-104 · Boost control solenoid (N75) KV12-B-15 · Auxiliary Output 6 — 0.5 mm² (≈20 AWG) — — — × W57 OEM-T121-105 · Diverter valve (N249) KV12-B-16 · Auxiliary Output 7 — 0.5 mm² (≈20 AWG) — — — × W58 OEM-T121-115 · VVT camshaft adjustment valve (N205) KV12-B-17 · Auxiliary Output 8 — 0.5 mm² (≈20 AWG) — — — × W59 OEM-T121-47 · Check engine light (MIL) KV12-B-10 · Auxiliary Output 1 — 0.5 mm² (≈20 AWG) — — — × W60 OEM-T121-48 · EPC warning light KV12-B-11 · Auxiliary Output 2 — 0.5 mm² (≈20 AWG) — — — × W61 OEM-T121-64 · EVAP canister valve (N80) KV12-B-12 · Auxiliary Output 3 — 0.5 mm² (≈20 AWG) — — — × W62 OEM-T121-9 · Secondary-air injection valve (N112) KV12-B-13 · Auxiliary Output 4 — 0.5 mm² (≈20 AWG) — — — × W63 OEM-T121-51 · Wideband lambda pump (G39) KV12-A-25 · Lambda 1 Pump Cell (Ip) — 0.5 mm² (≈20 AWG) — — — × W64 OEM-T121-52 · Wideband lambda pump (G39) KV12-A-22 · Lambda 2 Pump Cell (Ip) — 0.5 mm² (≈20 AWG) — — — × W65 OEM-T121-70 · Wideband lambda Nernst signal (G39) KV12-A-18 · Lambda 1 Nernst Cell (Vs) — 0.5 mm² (≈20 AWG) — — — × W66 OEM-T121-71 · Wideband lambda Nernst signal (G39) KV12-A-21 · Lambda 2 Nernst Cell (Vs) — 0.5 mm² (≈20 AWG) — — — × W67 OEM-T121-68 · Post-cat lambda signal (G130) KV12-C-9 · Analog Input Channel 8 — 0.5 mm² (≈20 AWG) — — — × W68 OEM-T121-69 · Post-cat lambda signal (G130) KV12-C-10 · Analog Input Channel 9 — 0.5 mm² (≈20 AWG) — — — × W69 OEM-T121-85 · Intake air temperature (G42) KV12-C-11 · Analog Input Channel 10 — 0.5 mm² (≈20 AWG) — — — × W70 OEM-T121-54 · Road speed signal (VSS) KV12-C-27 · Digital Input 1 — 0.5 mm² (≈20 AWG) — — — × W71 OEM-T121-60 · CAN bus high KV12-D-8 · CAN 1H — 0.5 mm² (≈20 AWG) — — — × W72 OEM-T121-58 · CAN bus low KV12-D-14 · CAN 1L — 0.5 mm² (≈20 AWG) — — — ×