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Home >> Mercedes Benz >> 2001 >> CLK320 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Keyless Entry System - C230, C280, CLK320, E300, E320, E430, E500, Cl500 & Cl600) >> System Tests >> Test Preparation

Test Preparation

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Ensure battery voltage is 11-14 volts. Ensure all fuses are okay. Ensure voltage supply to control modules and CAN data lines are okay. Connect HHT to DLC according to manufacturer's instructions prior to performing system tests.