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Confirming Sleep Mode

  1. Check for voltage on driver's and passenger's multiplex control unit communication line (Brown wire for door-to-driver's control unit; Pink wire and Light Green wire for driver's-to-passenger's control unit). See WIRING DIAGRAMS  .
  2. If sleep mode is on, voltage on communication line will be zero. If sleep mode is off, specified voltage should be present on communication line. See IDENTIFYING COMMUNICATION LINE & LINE VOLTAGE  table.
  3. Check voltage between each multiplex control unit communication line and ground while shifting to sleep mode. See IDENTIFYING COMMUNICATION LINE & LINE VOLTAGE  table. Specified voltage should drop to zero volts at each communication line when changing to sleep mode.
  4. Check parasitic draw at battery while changing to sleep mode. Parasitic draw should drop from 70-80 milliamps to less than 10 milliamps.
IDENTIFYING COMMUNICATION LINE & LINE VOLTAGE

Communication Line (Wire Color) Voltage
Door-To-Driver's (Brown) 3.5-9.5
Driver's-To-Passenger's (Light Green) 4.0-10.5
Passenger's-To-Driver's (Pink) 3.0-10.0