CRUISE CONTROL SYSTEM DIAGNOSIS SYSTEM
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DESCRIPTION
The hybrid vehicle control ECU controls the cruise control system of the vehicle. The data and DTCs relating to the cruise control system can be read from the DLC3 of the vehicle. Use the GTS to check and solve the problem.
Tech Tips
If a vehicle speed sensor, stop light switch assembly or any other related part malfunctions, the hybrid vehicle control ECU cancels cruise control operation automatically.
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Check the auxiliary battery voltage with the power switch off.
If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.
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Check the DLC3.
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CHECK INDICATOR
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*1 Master Warning Light *2 Multi-information Display When a malfunction occurs in the cruise control system, the system turns off the cruise control indicator and the master warning light illuminates at the same time a "pong" sound is heard. Also, "Cruise Control Malfunction Visit Your Dealer" is displayed in the combination meter assembly and the hybrid vehicle control ECU stores DTCs.
Note
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When the system returns to normal, the "Cruise Control Malfunction Visit Your Dealer" display in the combination meter assembly disappears.
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Do not remove any fuses or disconnect any cables from the auxiliary battery terminals until the data stored in the ECUs is cleared.
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