How To Proceed With Troubleshooting

HINT:

• Use the following procedures to troubleshoot the cruise control system.

VEHICLE BROUGHT TO WORKSHOP

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PROBLEM SYMPTOM CONFIRMATION

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CHECK CAN COMMUNICATION SYSTEM*

(a) Check for output DTCs. Result

Result

Proceed to

CAN DTC is not output

A

CAN DTC is output

The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.

PROCEED TO CAN COMMUNICATION SYSTEM

DTC CHECK AND CLEAR*

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DTC CHECK (OTHER THAN CAN SYSTEM DTC)*

Result

Result

Proceed to

DTC is not output

A

DTC is output

GO TO STEP 7

DTC CHART

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Refer to the DIAGNOSTIC TROUBLE CODE CHART (See page CC-17).

GO TO STEP 10

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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