How To Proceed With Troubleshooting

HINT:

• Use the following procedure to troubleshoot the power mirror control system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

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1. CUSTOMER PROBLEM ANALYSIS

HINT:

• In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
• Gather as much information as possible for reference.

  Past problems that seem unrelated may also help in some cases.

• The following 5 items are important points in problem analysis:

  What	Vehicle model, system name
  When	Date, time, occurrence frequency
  Where	Road conditions
  Under what conditions?	Running conditions, driving conditions, weather conditions
  How did it happen?	Problem symptoms

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1. INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

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

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1. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the LIN communication system is functioning normally (See page ).

B

GO TO LIN COMMUNICATION SYSTEM

A

1. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally (See page ).

B

GO TO CAN COMMUNICATION SYSTEM

A

1. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table (See page ).

B

GO TO STEP 8

A

1. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check (See page )

(b) Data List / Active Test (See page )

(c) Terminals of ECU (See page )

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1. REPAIR OR REPLACE

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1. CONFIRMATION TEST

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END