: Early 1KZ units (like the KZN130) may lack certain pins found on later KZN185/KZN165 models, such as immobilizer signals (Code 99) or EGR valve lift sensors (Code 96). Transmission Type
Tells the ECU the engine is cranking so it can provide extra fuel for startup. 1kz ecu pinout
The 1KZ-TE uses a (Bosch VE style) controlled electronically by a Toyota ECU (part numbers often starting with 89661-3xxxx). Unlike fully mechanical diesels, this engine relies on a Throttle Position Sensor (TPS), coolant temperature sensor, boost sensor, and a crankshaft position sensor to determine fuel delivery. : Early 1KZ units (like the KZN130) may
Often found in the KZN130 Surf, using a 26p-16p-22p plug configuration. coolant temperature sensor
Some creators on TikTok share quick visual guides for 1KZ wiring during engine swaps.