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The ETACS-ECU calculates the intermittent wiper interval according to the vehicle speed
signal which is sent by the ABS-ECU <Vehicles without ASC> or ASC-ECU <Vehicles with
ASC>.
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If this function does not work normally, these input signal circuit(s) or the ETACS-ECU
may be defective. Also, with a customise function, the door mirrors may be set to a mode in
which the vehicle speed-dependent unfolding function is not activated.
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- Faulty vehicle speed signal
- The CAN bus line is defective.
- Malfunction of ETACS-ECU
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Use the ETACS customise function to confirm that "AUTO FOLD MIRROR" is set to "VEHICLE
SPEED DEPENDENT OPEN".
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Q.
Is the check result normal?
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Use the ETACS customise function to set "AUTO FOLD MIRROR" to "VEHICLE SPEED DEPENDENT
OPEN" (Refer to ).
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Use M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the CAN bus normal?
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Repair the CAN bus line. (Refer to GROUP 54C - Troubleshooting .)
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Check that the ETACS-ECU sets a diagnosis code.
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Q.
Is the diagnosis code set?
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Diagnose the ETACS.(Refer to GROUP 54A - ETACS, Diagnosis Code Chart .)
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Check that the ABS-ECU<Vehicles without ASC> or ASC-ECU <Vehicles with ASC> sets
a diagnosis code.
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Q.
Is the diagnosis code set?
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Diagnose the ABS-ECU <Vehicles without ASC> (Refer to GROUP 35B - Diagnosis
Code Chart ) or ASC-ECU <Vehicles with ASC> (Refer to GROUP
35C - Diagnosis Code Chart .
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Check that the vehicle speed-dependent unfolding function of the door mirrors works normally.
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Q.
Is the check result normal?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunction .)
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