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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 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.
Are the headlamps in good condition?
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First,
repair the headlamps. Refer to Inspection Procedure L-3 "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 54F, Diagnosis ).
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Check whether the combination meter-related
diagnosis code is set.
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Q.
Is the diagnosis code set?
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Diagnose the combination meter (Refer
to GROUP 54A - Troubleshooting ).
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Check that the power supply and earth lines to
the ETACS-ECU and the SWS communication lines are normal.
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OK: "OK" is displayed on the
"ETACS ECU" menu.
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Q.
Is the check result normal?
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Refer
to Inspection Procedure A-3 "Communication with the ETACS-ECU is not
possible ."
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Perform the actuator test for the combination
meter, and check that the high-beam indicator illuminates (Refer to GROUP
54A - Combination Meter ).
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Q.
Is the check result normal?
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Replace the combination
meter.
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