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Use 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 lines (Refer to GROUP 54C -
CAN Bus Diagnostics Table).
Then go to Step 2.
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(1)Turn the ignition switch (engine starting switch) from the "LOCK" (OFF) to "ON"
position.
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(2)Check whether any TPMS diagnosis code is set.
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Q.
Is any TPMS diagnosis code set?
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Carry out the relevant TPMS troubleshooting (Refer to ).
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Check that the combination meter warning lamps and indicators other than TPMS warning
lamp illuminate normally.
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Q.
Is the check result normal?
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Replace the KOS-ECU (Refer to GROUP 42B -
KOS-ECU ) <Vehicles
without KOS> or ETACS-ECU (Refer to GROUP 54A -
ETACS-ECU )
and register the ID codes. Then go to Step 4.
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Replace the combination meter assembly (Refer to GROUP 54A -
Combination
Meter Assembly). Then go to Step 4.
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Q.
Does the TPMS warning lamp turn ON and OFF normally?
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The procedure is complete.
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Repeat the troubleshooting from Step 1.
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