Part 3

P313 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P0A08-264: DC / DC Converter Status Circuit
P0A08-264 - DC / DC Converter Status Circuit - Continued

21. CHECK AMD TERMINAL (ENGINE ROOM JUNCTION BLOCK ASSEMBLY SIDE)

CAUTION:
Be sure to wear insulated gloves.

(a) Measure the voltage according to the value(s) in the table below.





Standard Voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE INVERTER WITH CONVERTER ASSEMBLY Removal

22. INSPECT HYBRID VEHICLE CONTROL ECU

(a) Disconnect all the connectors from the hybrid vehicle control ECU.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





(c) Connect the hybrid vehicle control ECU connectors.

NG -- REPLACE HYBRID VEHICLE CONTROL ECU Removal

OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR

23. REPLACE HV COOLANT P0A01

NEXT -- Continue to next step.

24. CHECK INVERTER WATER PUMP ASSEMBLY (W/ MOTOR) P0A01

NG -- REPLACE INVERTER WATER PUMP ASSEMBLY (W/ MOTOR) Removal

OK -- COMPLETED

25. CHECK NO. 3 WIRE FRAME (REAR MOTOR CABLE)

CAUTION:
Be sure to wear insulated gloves.

(a) Check that the service plug grip is not installed.

NOTICE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.

(b) Disconnect the No. 3 wire frame from the rear traction motor with transaxle assembly.





(c) Remove the inverter terminal cover from the inverter with converter assembly.





(d) Disconnect the No. 3 wire frame from the inverter with converter assembly.





Text in Illustration





(e) Using a megohmmeter set to 500 V, measure the insulation resistance according to the value(s) in the table below.





NOTICE:
Be sure to set the megohmmeter to 500 V when performing this test. Using a setting higher than 500 V can result in damage to the component being inspected.

Standard Resistance:





Text in Illustration





(f) Connect the No. 3 wire frame to the rear traction motor with transaxle assembly.

(g) Connect the No. 3 wire frame to the inverter with converter assembly.

(h) Install the inverter terminal cover to the inverter with converter assembly.

NG -- REPLACE NO. 3 WIRE FRAME Removal
OK -- Continue to next step.

26. CHECK EXTENSION WIRE ASSEMBLY

(a) Remove the rear traction motor with transaxle assembly Removal.

(b) Remove the extension wire assembly from the rear traction motor with transaxle assembly.

(c) Using a megohmmeter set to 500 V, measure the insulation resistance according to the value(s) in the table below.





NOTICE:
Be sure to set the megohmmeter to 500 V when performing this test. Using a setting higher than 500 V can result in damage to the component being inspected.

Standard Resistance:





Text in Illustration





(d) Install the extension wire assembly to the rear traction motor with transaxle assembly.

(e) Install the rear traction motor with transaxle assembly.

NG -- REPLACE EXTENSION WIRE ASSEMBLY Removal

OK -- REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY Removal

27. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - IGCT NO. 2 FUSE)

CAUTION:
Be sure to wear insulated gloves.

(a) Check that the service plug grip is not installed.

NOTICE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.

(b) Disconnect the A64 connector from the inverter with converter assembly.

(c) Remove the IGCT NO. 2 fuse from the engine room relay block No. 2.

(d) Measure the resistance according to the value(s) in the table below.





Standard Resistance:





Text in Illustration





(e) Install the IGCT NO. 2 fuse.

(f) Connect the inverter with converter assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

28. REPLACE INVERTER WITH CONVERTER ASSEMBLY

(a) Replace the inverter with converter assembly Removal.

NEXT -- REPLACE FUSE (IGCT NO. 2)

29. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - DCDC-S FUSE)

CAUTION:
Be sure to wear insulated gloves.

(a) Check that the service plug grip is not installed.

NOTICE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.

(b) Disconnect the A64 connector from the inverter with converter assembly.

(c) Disconnect the O57 connector from the fusible link block assembly.

(d) Measure the resistance according to the value(s) in the table below.





Standard Resistance:





Text in Illustration





(e) Connect the fusible link block assembly connector.

(f) Connect the inverter with converter assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

30. REPLACE INVERTER WITH CONVERTER ASSEMBLY

(a) Replace the inverter with converter assembly Removal.

NEXT -- REPLACE FUSE (DCDC-S)

31. REPAIR OR REPLACE HARNESS OR CONNECTOR

NEXT -- REPLACE FUSE (IGCT NO. 2)

32. REPAIR OR REPLACE HARNESS OR CONNECTOR

NEXT -- REPLACE FUSE (DCDC-S)