12V Alternator Voltage Regulator – KCB1 / E4

Product Overview

A 12V internal alternator voltage regulator designed for a range of Toyota vehicle applications. Suitable for alternator systems using the KCB1 / E4 configuration.

Technical Specifications

Terminal / Pin Functions

IG – Ignition signal
S – Battery voltage sensing
L – Charge warning light circuit
DF / DFM – Alternator field/load signal to the vehicle control system

Vehicle Compatibility

Toyota Avensis

1.6L Models:
1.6i (T22) • 1.6i 16V • 1.6i 16V Liftback • 1.6i 16V Wagon • 1.6L Estate • 1.6L Liftback • 1.6L VVT-i • 1.6L VVT-i Estate

1.8L Models:
1.8i 16V • 1.8L • 1.8L Estate • 1.8L Liftback • 1.8L VVT-i

2.0L / 2.4L Models:
2.0L • 2.0L Estate • 2.4L • 2.4L Estate

Toyota Camry

2.4i • 2.4i Sedan • 2.4i Wagon • 2.4L • 3.0L 24V • V3 2.4i

Toyota Corolla

1.4L Models:
1.4i • 1.4L Compact • 1.4L Liftback • 1.4L VVT-i • 1.4L VVT-i Estate

1.6L Models:
1.6i • 1.6L Compact • 1.6L Liftback • 1.6L VVT-i • 1.6L VVT-i Estate

Other Models:
1.8L VVT-i • Corolla Verso 1.6L • Corolla Verso 1.8L

Toyota Fortuner

3.0L D-4D Diesel • 3.0L TDI • 3.0L TDI 4WD • 3.0L TDI 4WD D-4D Diesel

Toyota Hiace

2.5L Diesel

Toyota Hilux

2.5L Diesel:
2.5L 16V Diesel Turbo • 2.5L D-4D Diesel • 2.5L Diesel

2.7L Petrol:
2.7i • 2.7i 4x4 Raider • 2.7L • 2.7L Petrol

3.0L Diesel:
3.0L 16V Diesel Turbo • 3.0L 16V Diesel Turbo 4x4 • 3.0L D-4D Diesel • 3.0L D-4D Raider • 3.0L Diesel

4.0L Petrol:
4.0L 16V 4x4 • 4.0L V6

Toyota Land Cruiser

3.0L Diesel

Land Cruiser Prado:
4.0L

Toyota Quantum

2.5L D-4D • 2.7L

Toyota Verso

1.6L • 1.8L

Toyota Yaris

1.0L VVT-i • 1.3L VVT-i

SF90