ROAD SIGN ASSIST SYSTEM PROBLEM SYMPTOMS TABLE

Note:
  • If the pre-crash safety city sensor has been replaced, or the windshield glass has been replaced or removed/installed, be sure to perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust.

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  • When replacing the combination meter assembly, make sure to replace it with a new one.

Tip:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table.

Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Table 1. Road Sign Assist System

Symptom

Suspected Area

Link

"Check RSA system." is displayed

Pre-crash safety city sensor

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Combination meter assembly

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CAN communication system

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"Front sensor systems are temporarily unavailable due to inappropriate temp. Wait a moment." is displayed

The pre-crash safety city sensor temperature is extremely high and the system will not operate. When the temperature returns to normal, normal control will return (Check History of High or Low Temperature).

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Pre-crash safety city sensor

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Combination meter assembly

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"Front sensor systems are temporarily unavailable due to blocked vision. Clean windshield." is displayed

The pre-crash safety city sensor cannot detect obstacles due to dirt. When dirt is removed, normal control will return (Check History of Blockage).

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Pre-crash safety city sensor

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Combination meter assembly

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