Trouble symptom
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Inspection procedure number
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Reference page
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Cannot communicate with KOS-ECU using the M.U.T.-III
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1
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The keyless operation key cannot be registered using the M.U.T.-III.
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2
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Abnormality in KOS-ECU power supply and earth circuits
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3
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Keyless operation warning display does not disappear.
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4
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IG knob will not turn (keyless operation is not recognised).
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5
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The engine will not start with KOS (IG knob operates normally).
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6
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Engine does not start with emergency key (cranking but no initial combustion).
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7
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No door will be locked or unlocked by operating a lock switch on any door, or by touching the unlock sensor.
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8
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Driver’s door lock switch does not work. <LH drive vehicles>
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9
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Driver’s door lock switch does not work. <RH drive vehicles>
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Driver’s door unlock sensor does not work. <LH drive vehicles>
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10
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Driver’s door unlock sensor does not work. <RH drive vehicles>
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Front passenger’s door lock switch does not work. <LH drive vehicles>
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11
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Front passenger’s door lock switch does not work. <RH drive vehicles>
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Front passenger’s door unlock sensor does not work. <LH drive vehicles>
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12
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Front passenger’s door unlock sensor does not work. <RH drive vehicles>
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Lock switch (tailgate) does not work.
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13
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Tailgate lock release handle does not work.
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14
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Keyless entry system does not work at all.
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15
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KOS timer lock function does not work.
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16
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Multimode keyless entry system function does not work at all.
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17
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Keyless entry system hazard answerback function or the room lamp answerback function does not work normally.
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18
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The power windows do not work normally by means of the multimode keyless entry function.
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19
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Outer buzzer does not sound.
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20
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