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Right Door Unlock Switch Failure

NOTE: For connector terminal identification and wiring diagrams, see BODY CONTROL COMPUTER - INTRODUCTION article. Perform VERIFICATION TEST VER-1A  after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Clear trouble codes as needed. See BODY CONTROL COMPUTER - INTRODUCTION article. Using scan tool, read passengers door zone switch voltage. If PASSENGER DOOR ZONE SWITCH voltage is about one volt, replace passengers door lock switch. If PASSENGER DOOR ZONE SWITCH voltage is not about one volt, go to next step.
  2. Operate passengers door lock switch to unlock position and observe voltage on scan tool. Do not hold switch in unlock position for more than 7 seconds or code will set. If PASSENGER DOOR ZONE SWITCH voltage is about one volt, go to next step. If PASSENGER DOOR ZONE SWITCH voltage is not about one volt, replace passengers door lock switch.
  3. Operate passengers door lock switch several times from lock to unlock position. Release switch. With switch in neutral position, observe scan tool voltage. If PASSENGER DOOR ZONE SWITCH voltage is about 5 volts, system is currently functioning correctly. If PASSENGER DOOR ZONE SWITCH voltage is not about 5 volts, replace passengers door lock switch.
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