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Home >> Mercedes Benz >> 2002 >> CLK55 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 13: Left/Right Front Door Receiver Signal Control Line

Test 13: Left/Right Front Door Receiver Signal Control Line

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  1. Disconnect connector No. 3 from both front door control modules. Disconnect both front door receiver connectors. Measure resistance between left front door receiver connector terminal No. 3 and left front door control module connector No. 3, terminal No. 2. Measure resistance between right front door receiver connector terminal No. 5 and right front door control module connector No. 3, terminal No. 2.
  2. Resistance should be less than one ohm. If resistance is as specified, go to next step. If resistance is not as specified, repair wiring. See WIRING DIAGRAMS .
  3. Measure resistance between positive battery terminal and left or right front door control module connector No. 3, terminal No. 2. Resistance should be more than 20 k/ohms. If resistance is as specified, go to next step. If resistance is not as specified, repair wiring. See WIRING DIAGRAMS .
  4. Measure resistance between ground and left or right front door control module connector No. 3, terminal No. 2. Resistance should be more than 20 k/ohms. If resistance is as specified, receiver signal control line is okay at this time. If resistance is not as specified, repair wiring. See WIRING DIAGRAMS .
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