DTC 81-11:
Central Processing Unit (CPU) Internal Circuit Malfunction
DTC 81-52:
Central Processing Unit (CPU) Internal Circuit Malfunction
DTC 81-54:
Central Processing Unit (CPU) Internal Circuit Malfunction
DTC 81-56:
Central Processing Unit (CPU) Internal Circuit Malfunction
DTC 81-58:
Central Processing Unit (CPU) Internal Circuit Malfunction
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Turn the ignition switch to ON (II).
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Clear the DTC with the HDS.
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Test-drive the vehicle.
NOTE: Drive the vehicle on a straight section of road, not on a lift.
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Check for DTCs with the HDS.
Is DTC 81-11, 81-52, 81-54, 81-56, or 81-58 indicated?
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YES
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NO
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Intermittent failure, the system is OK at this time.■
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Test-drive the vehicle.
NOTE: Drive the vehicle on a straight section of road, not on a lift.
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Check for DTCs with the HDS.
Is DTC 81-11, 81-52, 81-54, 81-56, or 81-58 indicated?
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YES
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-
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NO
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If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted,
replace the original VSA modulator-control unit.
If any other DTCs are indicated, go to the indicated DTCs troubleshooting.■
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