How To Proceed With Troubleshooting

HINT:

Use these procedures to troubleshoot the key reminder warning system.

The intelligent tester should be used in steps 3 and 5.

VEHICLE BROUGHT TO WORKSHOP

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INSPECT BATTERY VOLTAGE

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Standard voltage: 11 to 14 V

HINT:

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

INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM

(a) Use the intelligent tester with CAN VIM to check if the CAN communication system is functioning normally. Result:

Result

Proceed to

DTC is not output

A

DTC is output

B

GO TO CAN COMMUNICATION SYSTEM

GO TO CAN COMMUNICATION SYSTEM

PROBLEM SYMPTOMS TABLE

Result:

Result

Proceed to

Fault is not listed on problem symptoms table

A

Fault is listed on problem symptoms table

Go to step 6

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Operation Check (See pageDL-85)

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(b) Terminals of ECU (See page DL-86)

(c) Data list/Active test (See page DL-88)

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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