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Test No. 6: Cruise Control Cannot Be Set

  1. Check if scan tool can communicate with cruise control system. If communication is not possible, go to TEST NO. 1: SCAN TOOL COMMUNICATION WITH CRUISE CONTROL ECU NOT POSSIBLE  . If communication is possible, go to next step.
  2. Check if DTC 11, 12, 14, 15, 16 or 17 is present. If DTC(s) are present, go to appropriate code diagnosis. See SELF-DIAGNOSTIC SYSTEM  . If DTC(s) are not present, go to next step.
  3. Check if input switch inspection is possible using scan tool. If input switch inspection is not possible, go to TEST NO. 2: INPUT SWITCH INSPECTION WITH SCAN TOOL NOT POSSIBLE; DIAGNOSTIC INSPECTION IS POSSIBLE  , TEST NO. 3: CRUISE CONTROL DOES NOT CANCEL WHEN CLUTCH IS DEPRESSED  , TEST NO. 4: CRUISE CONTROL DOES NOT CANCEL WHEN TRANSAXLE IS SHIFTED TO "N" RANGE  . If input switch inspection is possible, go to next step.
  4. Check if DTC 15 or symptom procedures No. 2, 3 or 4 is present. If DTC 15 is present, test cruise control switch. If symptom procedures No. 2, 3 or 4 is present, go to TEST NO. 2: INPUT SWITCH INSPECTION WITH SCAN TOOL NOT POSSIBLE; DIAGNOSTIC INSPECTION IS POSSIBLE  , TEST NO. 3: CRUISE CONTROL DOES NOT CANCEL WHEN CLUTCH IS DEPRESSED  , TEST NO. 4: CRUISE CONTROL DOES NOT CANCEL WHEN TRANSAXLE IS SHIFTED TO "N" RANGE  . If switches test okay and codes can be cleared from ECU memory, or DTC 15 and symptom procedures No. 2, 3 or 4 are not displayed, replace cruise control ECU.
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