TOD 3 8.2 COMPONENTS OF TOD The TOD System consists of following components: 1. Electronic Control Unit (ECU) 2. Transfer Case with primary electric clutch and secondary mechanical clutch. 3. Momentary switch with 4x2 mode Indicator lamp. 4. TOD Warning Lamp. 5. Harness to connect the above parts and power input. 6. Gerotor Pump. 7. Clutch Coil. VARIOUS COMPONENTS OF TOD A. ECU I. GENERAL Battery voltage at the ignition input will activate the ECU. The ECU monitors various inputs through CAN and distributes the torque as per the vehicle requirements. The ECU achieves this by regulating the current to the clutch coil, which then mechanically controls the torque distribution to the front axle. II. LOCATION TOD Electronic Control Unit (ECU) is located in the Co-driver side on to the tunnel nearer to the fire wall.
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