Repair Procedures: Inspection

WARNING: This page is about a different variant/trim than selected.

WARNING: Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

Shut off the High Voltage circuit.
(Refer to High Voltage Shut-Off Procedures . )
Remove the air cleaner assembly and duct.
(Refer to Engine & Transaxle Assembly (R & I) - Optima HEV . )
Drain the coolant of the hybrid motor cooling system and remove the reservoir installed on the HPCU.
(Refer to Coolant . ).
Disconnect the coolant inlet hose (A) and outlet hose (B).
Remove the HPCU protector (C).

Fig 1: Disconnecting Coolant Inlet Hose And Outlet Hose
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the power cable (A) from the HPCU.
1. Pull the lever (B) in the direction of the arrow with the hook (C) pressed.
2. Press the lever (D), and then pull the power cable connector.
Fig 2: Pulling Power Cable Connector
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the motor power cable (A) and HSG power cable (B).
1. Disconnect the connector by rotating the lever (C) after pulling the lever (D).
Fig 3: Disconnecting Motor Power Cable And HSG Power Cable
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the electric A/C compressor power cable (A).
1. Pull the lever (B) in the direction of the arrow.
2. Press the hook (C), and then pull the motor power cable connector.
Fig 4: Pulling Motor Power Cable Connector
Courtesy of KIA MOTORS AMERICA, INC.
Measure the capacitors between (+) terminal and (-) terminal of the compressor connector.
Specified Value: 98μF ±2%

Fig 5: Measuring Capacitors Between (+) Terminal And (-) Terminal Of Compressor Connector
Courtesy of KIA MOTORS AMERICA, INC.