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Inspection Items
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Inspection Content
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Inspection method
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Diagnosis Method
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Insulation Resistance
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Insulation resistance is a safety measure that ensures the vehicle, and the customer are protected from high-voltage system.
It is measured in ohms (Ω) and is continuously monitored by the vehicle in real time. Should the resistance drop below a safe threshold, the vehicle automatically cuts off the high voltage to protect the vehicle occupants.
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Automatic Inspection w/ Computerised Diagnostic Equipment
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Min – Max Values of Sensor Data Determination of The Specified Value
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Voltage Deviation
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The high-voltage battery is made up of many smaller battery cells. The vehicle continuously manages the voltage of each cell to keep them balanced and operating at similar levels.
If the voltage difference between cells (called "voltage deviation") becomes too large, it may indicate a problem, and battery repair or replacement might be required.
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Automatic Inspection w/ Computerised Diagnostic Equipment
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Min – Max Values of Sensor Data Determination of The Specified Value
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Water cooling System
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EWP operation check (Electric Water Pump)
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Confirm the water Pump is Circulating the Coolant is Operating Normally
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Min – Max Values of Sensor Data Determination of The Specified Value
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Check the 3-way Valve
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To ensure it controls the direction of coolant flow based on the coolant's temperature. This helps regulate the temperature of key components in the electric vehicle, ensuring they operate efficiently.
The valve is inspected to ensure it is functioning correctly.
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Automatic Inspection w/ Computerised Diagnostic Equipment
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The Valve Is Manually Activated to Verify That It Operates Correctly Under Controlled Conditions
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Fault Code Diagnosis
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Scan the vehicle systems for real-time faults or history faults.
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Automatic Inspection w/ Computerised Diagnostic Equipment
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Check the Occurrence of Fault Codes
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Underbody Impact Damage Check
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Strong impact to the vehicle's underbody can damage the battery.
Underbody is inspected for any signs of impact that could affect battery safety.
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Visual inspection
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Check for Battery Damage & Report
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Damage to Connecting Cables & Connectors
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Damaged high-voltage cables or connectors can cause short circuits.
Inspected to ensure safe power delivery.
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Visual inspection
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High Voltage Battery Connection Cable & Check The Connector For Damage
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