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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 15: ESC Control Module Data Lines

Test 15: ESC Control Module Data Lines

WARNING: This page does not describe the selected car, but rather 29 other vehicles, including the 1999 Mercedes-Benz E430, 1999 Mercedes-Benz E320, 1999 Mercedes-Benz E300, 1999 Mercedes-Benz CLK430, and 1999 Mercedes-Benz CLK320. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect ESC control module connector. Disconnect ignition lock control module connector "B". Measure resistance between ESC control module connector terminal No. 3 and ignition lock control module connector "B", terminal No. 4. 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 .
  2. Measure resistance between ESC control module connector terminal No. 4 and ignition lock control module connector terminal "B", terminal No. 5. 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 ground and ESC control module connector terminal No. 3, and between ground and ESC control module connector terminal No. 4. 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 positive battery terminal and ESC control module connector terminal No. 3, and between positive battery terminal and ESC control module connector terminal No. 4. Resistance should be more than 20 k/ohms. If resistance is as specified, ESC control module data lines are okay at this time. If resistance is not as specified, repair wiring. See WIRING DIAGRAMS .
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