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Test SC-1A - Checking For Cruise Control System Faults

NOTE: For connector terminal identification, refer to the CONNECTOR IDENTIFICATION  table. For appropriate wiring diagram, see appropriate chassis wiring diagram in the WIRING DIAGRAMS section.
  1. Ensure battery is fully charged. With engine off, turn ignition switch to ON position. Using DRB-II, read fault messages.
  2. If the DRB-II displays SPEED CONTROL SOLENOID CIRCUIT, proceed to TEST SC-2A  . If DRB-II displays NO VEHICLE SPEED SENSOR SIGNAL, go to TEST SC-3A  . If DRB-II does not display any fault messages, proceed to TEST SC-4A  .
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