GSIC - Global Service Information Center

# CRUISE CONTROL SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

## for Preparation Click here

HINT:

1. Use these procedures to troubleshoot the cruise control system.
2. *: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP

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2.INSPECT BATTERY VOLTAGE

Standard voltage:
  11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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3.CHECK INDICATOR LIGHT

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4.CHECK DTC*

1. Check for DTC and note any codes that are output.

2. Delete the DTC.

3. Recheck for DTCs, and try to prompt the DTC by simulating the original activity that the DTC suggests.

Result:

  Result | Proceed to
  DTC does not reoccur | A
  DTC reoccurs | B

| B. |

Go to step 7

A |

5.PROBLEM SYMPTOMS TABLE

Result:

  Result | Proceed to
  Fault is not listed in problem symptoms table | A
  Fault is listed in problem symptoms table | B

| B. |

Go to step 7

A |

6.OVERALL ANALYSIS AND TROUBLESHOOTING*

1. Terminals of ECU (Click here)

2. Data List/Active Test (Click here)

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7.ADJUST, REPAIR OR REPLACE

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8.CONFIRMATION TEST

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END