HOW TO PROCEED WITH TROUBLESHOOTING

Troubleshooting

HINT:

1. Use these procedures to troubleshoot the clearance sonar system.
   
2. *: Use the intelligent tester.
   

1.VEHICLE BROUGHT TO WORKSHOP

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2.CUSTOMER PROBLEM ANALYSIS

Refer to how to proceed with troubleshooting (Click here).

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3.CHECK AND CLEAR DTC*

Refer to the DTC check/clear (Click here).

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4.CHECK INITIAL CHECK FUNCTION

Refer to operation check (Click here).


Result:

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

B.
A

5.SYMPTOM SIMULATION

Refer to how to proceed with troubleshooting (Click here).

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6.CHECK MULTIPLEX COMMUNICATION SYSTEM*

Refer to how to proceed with troubleshooting (Click here).

HINT:

This ECU is connected to the multiplex communication system. Therefore, be sure to check that there are no problems in the multiplex communication system before performing troubleshooting.

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7.CHECK CAN COMMUNICATION SYSTEM*

Refer to how to proceed with troubleshooting (Click here).

HINT:

This ECU is connected to the CAN communication system. Therefore, be sure to check that there are no problems in the CAN communication system before performing troubleshooting.

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8.DTC CHECK*

^*: Refer to the DTC check/clear (Click here).


Result:

Result	Proceed to
DTC is output	A
DTC is not output	B

B.
A

9.DTC CHART

Refer to the diagnostic trouble code chart (Click here).

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10.PROBLEM SYMPTOMS TABLE

Refer to the problem symptoms table (Click here).

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11.CIRCUIT INSPECTION

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12.IDENTIFICATION OF PROBLEM

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13.REPAIR OR REPLACE

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14.CONFIRMATION TEST

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