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Home >> Cadillac >> 1996 >> Fleetwood Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Central Control Module >> Diagnosing & Repairing CCM DTCS >> DTC 47, CANADIAN Select Input Error >> Testing (DRL Equipped)
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Testing (DRL Equipped)

  1. Turn ignition switch to OFF position. Disconnect CCM connector C1. Using DVOM, measure voltage between CCM connector C1 terminal A8 and ground. If battery voltage is present, repair short to battery in Canada select circuit. If voltage is not present, go to next step.
  2. Using DVOM, check for continuity between CCM connector C1 terminal A8 and ground. If continuity is not present, repair open in Canada select circuit between CCM and ground connection. If continuity is present, go to next step.
  3. Turn ignition switch to OFF position. Check for poor connections at CCM connector. If connections are okay, reconnect CCM connector and all other components. Clear DTCs and check if DTC resets. If DTC resets, replace CCM. If DTC does not reset, problem may be intermittent. Try to recreate fault while performing test by wiggling wiring and connectors. Check for poor connections at all connectors that may be causing intermittent condition.
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