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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 16: Ignition Lock Control Module (Circuit No. 50)

Test 16: Ignition Lock Control Module (Circuit No. 50)

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 connector C3 from driver's side fuse and relay module box. Disconnect ignition lock control module connector "B". Measure resistance between relay module box connector C3, terminal No. 10 and ignition lock control module connector "B", terminal No. 9. 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. Ensure ignition is off. Measure resistance between ground and relay module box connector C3, terminal No. 10. 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 . Check ignition lock control module.
  3. Measure resistance between positive battery terminal and relay module box connector C3, terminal No. 10. Resistance should be more than 20 k/ohms. If resistance is as specified, ESC control module circuit No. 50 is okay at this time. If resistance is not as specified, repair wiring. See WIRING DIAGRAMS . Check ignition lock control module.
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