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If the high beam indicator does not illuminate normally, connector(s), wiring harness in the CAN bus lines, the ETACS-ECU or the combination meter may be defective.
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- The CAN bus line is defective.
- The combination meter may be defective
- The ETACS-ECU may be defective
- Damaged harness wires and connectors
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When the lighting switch is operated, check that the headlamps illuminate/go off normally.
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Q.
Is the headlamps in good condition?
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Refer to Inspection Procedure 2 "The high-beam headlamps do not illuminate normally ."
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Use the M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the check result normal?
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Repair the CAN bus line (Refer to GROUP 54D - Troubleshooting ).
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Perform the actuator test for the combination meter, and check that the high-beam indicator illuminates (Refer to ).
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Q.
Is the check result normal?
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Replace the combination meter.
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