1kz Ecu Pinout
| Pin | Signal | Notes | |-----|--------|-------| | A1 | NE+ (Crank position sensor) | 2-wire VR sensor | | A2 | G2+ (Cam position sensor) | | | A3 | NE- / G2- | Common ground for both sensors | | A4 | THW (Coolant temp sensor) | 5V thermistor | | A5 | THA (Intake air temp) | In airflow meter | | A6 | VG (Airflow meter signal) | Analog 0-5V | | A7 | E2 (Sensor ground) | ECM ground ref | | A8 | VC (5V sensor supply) | To MAP/MAF/TPS | | A9 | VTA (Throttle position sensor) | 0-5V from idle to WOT | | A10 | IDL (Idle contact switch) | Throttle closed | | A11 | STA (Starter signal) | From ignition switch | | A12 | NSW (Neutral start switch – A/T) | Park/Neutral | | A13 | SP1 (Speed sensor 1) | From combination meter | | A14 | SP2 (Speed sensor 2) | Transfer case (4WD models) | | A15 | KNK (Knock sensor) | | | A16 | EGR gas temp sensor (if equipped) | | | A17-A24 | +B, +B1 (ECU main relay power) | 12V with ignition |
Controls the fuel quantity injected into the cylinders. TCV (Timer Control Valve): Adjusts injection timing. S-REL: Glow plug relay control. W: Check Engine Light (MIL) output. Variations Between Models 1kz ecu pinout
(B-14) connect to correction resistors on the injection pump to fine-tune fuel delivery based on pump manufacturing tolerances. Diagnostic Trouble Codes (DTC) | Pin | Signal | Notes | |-----|--------|-------|