INSTALL INVERTER WATER PUMP ASSEMBLY
Install the inverter water pump assembly and water pump bracket with the 3 bolts.
Connect the water hose and connector.
Note
Do not remove the pieces of cloth from the pipes and disconnected hoses until installation to prevent foreign matter from entering the inverter water pump and cooling system.
INSTALL INVERTER TRAY BRACKET
Position the inverter tray bracket as shown in the illustration.
Temporarily install bolt B to the inverter tray bracket.
Tighten the 5 bolts to the inverter tray bracket in the order the bolt A, bolt C, bolt D, bolt E and bolt B.
Connect the 2 clamps to the inverter tray bracket.
INSTALL INVERTER RESERVE TANK ASSEMBLY
Temporarily install bolt A to the inverter reserve tank assembly.
Tighten the 2 bolts to the inverter reserve tank assembly in the order the bolt B and bolt A.
INSTALL INVERTER WITH CONVERTER ASSEMBLY
Tech Tips
ADD COOLANT (for Inverter)
Note
Do not reuse the drained coolant because it may contain foreign objects.
If the vehicle is driven with air in the inverter cooling system, damage may occur and the following DTCs may be set.
| DTC Code | Detection Item |
|---|---|
| P0A01-726 | Motor Electronics Coolant Temperature Sensor Circuit Range / Performance |
| P0A04-725 | Motor Electronics Coolant Temperature Sensor Circuit Intermittent |
| P0A08-264 | DC / DC Converter Status Circuit |
| P0A78-284 | Drive Motor "A" Inverter Performance |
| P0A78-286 | Drive Motor "A" Inverter Performance |
| P0A7A-322 | Generator Inverter Performance |
| P0A7A-324 | Generator Inverter Performance |
| P0A93-346 | Inverter Cooling System Performance |
| P0A94-553 | DC / DC Converter Performance |
| P0A94-557 | DC / DC Converter Performance |
| P0AEE-277 | Motor Inverter Temperature Sensor "A" Circuit Range / Performance |
| P0AF1-276 | Drive Motor Inverter Temperature Sensor "A" Circuit Intermittent / Erratic |
| P0BCD-315 | Generator Inverter Temperature Sensor Circuit Range / Performance |
| P0BD0-314 | Generator Inverter Temperature Sensor Circuit Intermittent / Erratic |
| P0C39-626 | DC / DC Converter Temperature Sensor "A" Range / Performance |
| P0C3C-625 | DC / DC Converter Temperature Sensor "A" Intermittent / Erratic |
| P0C3E-628 | DC / DC Converter Temperature Sensor "B" Range / Performance |
| P0C41-627 | DC / DC Converter Temperature Sensor "B" Intermittent / Erratic |
| P0C73-776 | Motor Electronics Coolant Pump "A" Control Performance |
Slowly pour coolant into the reserve tank until it reaches the F line.
| Coolant quantity |
|---|
| 2.1 liters (2.2 US qts, 1.8 Imp. qts.) |
When using the intelligent tester:
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
On the intelligent tester, enter the following menus: Powertrain / Hybrid Control / Active Test / Activate the Water Pump.
Keep the coolant at the F line in the reserve tank to compensate for the drop in coolant level when the air bleeds.
| Standard |
|---|
| Air bleeding from the inverter cooling system is completed when the noise made by the water pump becomes smaller and the circulation of coolant in the reserve tank improves. |
Tech Tips
Loud noise made by the water pump and poor circulation of coolant in the reserve tank indicates that there is air in the cooling system.
When not using the intelligent tester:
Turn the power switch on (READY). [*1]
Turn the power switch off and add coolant to the F line because the coolant level drops as the air bleeds. [*2]
Note
Be sure to turn the power switch off before adding SLLC.
Do not work on the components in the engine compartment while the vehicle is in the READY-on state because the engine is in intermittent operation.
Repeat steps [*1] and [*2] until air bleeding from the cooling system is completed.
| Standard |
|---|
| Air bleeding from the inverter cooling system is completed when the noise made by the water pump becomes smaller and the circulation of coolant in the reserve tank improves. |
Tech Tips
Loud noise made by the water pump and poor circulation of coolant in the reserve tank indicates that there is air in the cooling system.
After the air is completely bled from the cooling system, tighten the reserve tank cap.
Add coolant to the F line of the reserve tank.
INSPECT FOR COOLANT LEAK (for Inverter)
Remove the reserve tank cap.
CAUTION:
To avoid the danger of being burned, do not remove the reserve tank cap while the coolant for the inverter is still hot.
Install the radiator cap tester.
Pump the radiator cap tester to 122 kPa (1.2 kgf/ cm2, 17.7 psi), and then check that the pressure does not drop.
Tech Tips
If the pressure drops, check the hoses, radiator, water pump, inverter with converter, and hybrid vehicle transaxle assembly for leaks.
Reinstall the reserve tank cap.
INSTALL NO. 1 ENGINE UNDER COVER
INSTALL FRONT SPOILER COVER (w/ Front Spoiler)
INSTALL ENGINE UNDER COVER