NOTE: Before you troubleshoot, review the general troubleshooting information.
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1. Problem verification:
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Is DTC 81-11 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.
2. VSA modulator-control unit check (update):
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Is DTC 81-11 indicated?
YES
Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit.
NO
Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.
DTC Troubleshooting 81-13: Modulator-Control Unit Internal Circuit
Malfunction
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DTC Troubleshooting 81-20: Acceleration Sensor (Inside of Modulator-Control
Unit) Internal Circuit Malfunction
Engine Undercover Removal and Installation
DTC Troubleshooting C0062-76: Longitudinal Acceleration Sensor (Inside of
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