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CMTC Shows CCD

  1. Disconnect CMTC harness connector. Connect jumper wire between ground and terminal No. 11 (White/Black wire) on CMTC module connector. Using scan tool, read CCD bus status. If scan tool displays BUS SHORTED TO GROUND, go to next step. If scan tool does not display BUS SHORTED TO GROUND, repair open White/Black wire.
  2. Turn ignition on. Using voltmeter, measure voltage at terminal No. 6 (White/Black wire) on CMTC harness connector. If voltage is 10 volts or less, repair open White/Black wire between CMTC module and fuse No. 9 in junction block. If voltage is greater than 10 volts, go to next step.
  3. Connect jumper wire to terminal No. 5 (Violet/Brown wire) on CMTC module connector. Using scan tool, read CCD bus status. If scan tool displays BUS SHORTED TO GROUND, replace CMTC module. If scan tool does not display BUS SHORTED TO GROUND, repair open Violet/Brown wire.
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