W1 OEM-X-54 · ECU power (+14V from main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 KV12-D-1 · ECU 14V Supply — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 KV12-D-2 · Auxiliary Output 13-16 14V Supply — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 KV12-D-20 · Auxiliary Output 9-12 14V Supply — 0.85 mm² (≈18 AWG) — — — × W5 OEM-X-15 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-X-34 · Ground (output stages) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-X-55 · Ground (ignition) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 OEM-X-6 · Ground (injector output stages) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 KV12-A-19 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 KV12-B-34 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 KV12-B-9 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W12 SP-GND-1 KV12-C-1 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W13 SP-GND-1 KV12-C-26 · ECU Ground — 0.85 mm² (≈18 AWG) — — — × W14 OEM-X-28 · Ground (electronics + sensor shielding) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W15 OEM-X-40 · O2 sensor signal ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-X-43 · Crank position sensor (-) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-X-44 · Sensor ground (IAT/ECT/TPS) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-X-71 · Knock sensor ground/shield 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-X-59 · +5V sensor supply KV12-D-21 · Sensor Supply Vref1: 5.0V — 0.5 mm² (≈20 AWG) — — — × W22 OEM-X-16 · Crank position sensor (+) KV12-D-4 · Crank Index Sensor + — 0.5 mm² (≈20 AWG) — — — × W23 SP-0V-1 KV12-D-5 · Crank Index Sensor - — 0.5 mm² (≈20 AWG) — — — × W24 OEM-X-17 · Camshaft position sensor (Hall) KV12-D-6 · Sync Sensor + — 0.5 mm² (≈20 AWG) — — — × W25 SP-0V-1 KV12-D-7 · Sync Sensor - — 0.5 mm² (≈20 AWG) — — — × W26 OEM-X-70 · Knock sensor cylinders 1-3 KV12-D-11 · Knock 1 + — 0.5 mm² (≈20 AWG) — — — × W27 OEM-X-69 · Knock sensor cylinders 4-6 KV12-D-17 · Knock 2 + — 0.5 mm² (≈20 AWG) — — — × W28 OEM-X-50 · Ignition coil cylinder 1 KV12-B-26 · Ignition Channel 1 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-X-51 · Ignition coil cylinder 2 KV12-B-27 · Ignition Channel 2 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-X-52 · Ignition coil cylinder 3 KV12-B-28 · Ignition Channel 3 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-X-23 · Ignition coil cylinder 4 KV12-B-29 · Ignition Channel 4 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-X-25 · Ignition coil cylinder 5 KV12-B-30 · Ignition Channel 5 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-X-24 · Ignition coil cylinder 6 KV12-B-31 · Ignition Channel 6 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-X-33 · Injector cylinder 1 KV12-B-1 · Injection Channel 1 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-X-32 · Injector cylinder 2 KV12-B-2 · Injection Channel 2 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-X-31 · Injector cylinder 3 KV12-B-3 · Injection Channel 3 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-X-5 · Injector cylinder 4 KV12-B-4 · Injection Channel 4 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-X-3 · Injector cylinder 5 KV12-B-5 · Injection Channel 5 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-X-4 · Injector cylinder 6 KV12-B-6 · Injection Channel 6 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-X-45 · Shield ground SP-SHD-1 — 0.5 mm² (≈20 AWG) — — — × W41 SP-SHD-1 KV12-D-13 · Shield (Crank/Cam/ Knock) — 0.5 mm² (≈20 AWG) — — — × W42 OEM-X-56 · Ignition switch (terminal 15) KV12-D-15 · Ignition Switch Input — 0.5 mm² (≈20 AWG) — — — × W43 OEM-X-1 · Fuel pump relay control KV12-D-9 · EFI Relay Output (Low Side 200mA) — 0.5 mm² (≈20 AWG) — — — × W44 OEM-X-27 · Main relay control KV12-B-14 · Auxiliary Output 5 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-X-38 · O2 sensor heater relay control KV12-A-10 · Lambda 1 Heater - — 0.5 mm² (≈20 AWG) — — — × W46 OEM-X-2 · Idle speed control valve (close winding) KV12-B-15 · Auxiliary Output 6 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-X-29 · Idle speed control valve (open winding) KV12-B-16 · Auxiliary Output 7 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-X-36 · Evap purge solenoid KV12-B-17 · Auxiliary Output 8 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-X-7 · VANOS intake camshaft solenoid KV12-B-10 · Auxiliary Output 1 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-X-8 · Check engine light (MIL) KV12-B-11 · Auxiliary Output 2 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-X-47 · Tachometer output KV12-B-12 · Auxiliary Output 3 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-X-41 · Mass air flow (MAF) signal KV12-C-2 · Analog Input Channel 1 — 0.5 mm² (≈20 AWG) — — — × W53 OEM-X-73 · Throttle position (TPS) KV12-C-3 · Analog Input Channel 2 — 0.5 mm² (≈20 AWG) — — — × W54 OEM-X-13 · O2 sensor signal KV12-C-4 · Analog Input Channel 3 — 0.5 mm² (≈20 AWG) — — — × W55 OEM-X-78 · Engine coolant temperature (ECT) KV12-C-5 · Analog Input Channel 4 — 0.5 mm² (≈20 AWG) — — — × W56 OEM-X-77 · Intake air temperature (IAT) KV12-C-6 · Analog Input Channel 5 — 0.5 mm² (≈20 AWG) — — — × W57 OEM-X-42 · Vehicle speed signal KV12-C-27 · Digital Input 1 — 0.5 mm² (≈20 AWG) — — — ×