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Home >> Mercedes Benz >> 1997 >> E320 >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Power Seats - E55, E300, E320 & E430) >> System Tests (Power Seats) >> Test 23: Can H Data Line Between Power Seat Control Modules

Test 23: Can H Data Line Between Power Seat Control Modules

WARNING: This page is about a different car, the 1999 Mercedes-Benz E55, 1998 Mercedes-Benz E430, 1998 Mercedes-Benz E320, and 1998 Mercedes-Benz E300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch to LOCK position. Disconnect combination control module harness connector. See Figure. Disconnect Pneumatic System Equipment (PSE) control module harness connectors No. 1 and 3. See Figure. Disconnect both power seat control module harness connector No. 1. See Figure.
  2. Measure resistance between terminal No. 7 at driver's side power seat control module harness connector No. 1 and terminal No. 7 at passenger's side power seat control module harness connector No. 1. If resistance is one ohm or less, CAN H data line between power seat control modules is okay at this time. If resistance is greater than one ohm, repair open in CAN H data line between power seat control modules. See WIRING DIAGRAMS .
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