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Test 33A - Wiper Motor Intermittent Speed Operation

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For wiring diagrams, see WIRING DIAGRAMS  . Perform TEST VER-1 after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting any module connector.
  1. Turn ignition switch to OFF position. Turn wiper switch off. Ensure all doors are closed and courtesy lamps are off. Wait one minute. Gain access to Body Control Module (BCM). BCM is located behind right kick panel. Go to next step.
  2. Using DRB in ohmmeter mode, backprobe BCM Bone connector terminal No. 16 (Dark Green/Red wire). If resistance is not 1100-1400 ohms, go to TEST 33E  . If resistance is 1100-1400 ohms, go to next step.
  3. Turn ignition switch to ON position. Move wiper switch through all 6 different delay (intermittent speed) levels. If all delay levels do not fail, go to step 8). If all delay levels fail, go to next step.
  4. Turn wiper switch to OFF position. If wiper motor does not stop running, go to TEST 33B. If wiper motor stops running, go to next step.
  5. Check if wipers park properly in OFF position. If wipers do not park properly in OFF position, go to TEST 33C  . If wipers park properly in OFF position, go to next step.
  6. Turn ignition switch to OFF position. Disconnect Body Control Module (BCM) Bone connector. BCM is located behind right kick panel. Move wiper switch to any delay position. Turn ignition switch to ON position. Go to next step.
  7. Using DRB in voltmeter mode, check voltage on BCM Bone connector terminal No. 16 (Dark Green/Red wire) If voltage is less than 10 volts, replace multifunction switch. If voltage is more than 10 volts, replace BCM.
  8. Using DRB, read wiper switch status. Move wiper switch from OFF position through all 6 different delay levels. If DRB voltage does not increase proportionally between INTRMT WIPE 0V and 5V (volts), replace multifunction switch. If DRB voltage does increase proportionally, go to next step.
  9. Move wiper switch to OFF position. Using DRB, read wiper switch status. If DRB displays INTRMT WIPE 0V, replace body control module. If DRB does not display INTRMT WIPE 0V, go to next step.
  10. Disconnect multifunction switch connector. Connector is located on upper part of steering column, behind trim cover. Using DRB read wiper switch status. If DRB displays INTRMT WIPE 0V, replace multifunction switch. If DRB does not display INTRMT WIPE 0V, go to next step.
  11. Disconnect BCM Bone connector. Using DRB in voltmeter mode, check voltage on BCM Bone connector terminal No. 16 (Dark Green/Red wire). If voltage is more than 0.2 volt, repair short to voltage in Dark Green/Red wire. If voltage is less than 0.2 volt, replace BCM.
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