P3221

L110F HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P3221-314,P3221-315: Generator Inverter Temperature Sensor Circuit Range / Performance
P3221-315 - Generator Inverter Temperature Sensor Circuit Range / Performance

DESCRIPTION

Refer to the description for DTC P3222-313 P3222.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (HV)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

(d) Check if DTCs are output.

Result:





B -- GO TO DTC CHART Hybrid Control System
A -- Continue to next step.

2. CHECK QUANTITY OF HV COOLANT P0A01

C -- CHECK FOR COOLANT LEAKS AND ADD COOLANT

B -- ADD HV COOLANT
A -- Continue to next step.

3. CHECK COOLANT HOSE P0A01

NG -- CORRECT THE PROBLEM
OK -- Continue to next step.

4. PERFORM ACTIVE TEST USING TECHSTREAM (ACTIVATE THE WATER PUMP) P0A01

NG -- PERFORM ACTIVE TEST USING TECHSTREAM (ACTIVATE THE WATER PUMP)
OK -- Continue to next step.

5. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE ELECTRIC COOLING FAN) P0A01

NG -- CHECK COOLING FAN SYSTEM Cooling Fan Circuit
OK -- Continue to next step.

6. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR) P0A01

NG -- CONNECT SECURELY
OK -- Continue to next step.

7. INSPECT COOLING SYSTEM (FOR CLOGGING) P0A01

NG -- REPLACE MALFUNCTIONING PARTS

OK -- REPLACE INVERTER WITH CONVERTER ASSEMBLY Installation

8. PERFORM ACTIVE TEST USING TECHSTREAM (ACTIVATE THE WATER PUMP) P0A01

NG -- CHECK FUSE (INV W/P)

OK -- ADD HV COOLANT

9. CHECK FUSE (INV W/P) P0A01

NG -- CHECK CONNECTOR CONNECTION CONDITION (WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY CONNECTOR)
OK -- Continue to next step.

10. CHECK CONNECTOR CONNECTION CONDITION (WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY CONNECTOR) P0A01

NG -- CONNECT SECURELY
OK -- Continue to next step.

11. CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR) P0A01

NG -- CONNECT SECURELY
OK -- Continue to next step.

12. CHECK HARNESS AND CONNECTOR (WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY) P0A01

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

13. CHECK WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY P0A01

NG -- REPLACE WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY Components

OK -- REPLACE HYBRID VEHICLE CONTROL ECU Components

14. CHECK CONNECTOR CONNECTION CONDITION (WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY CONNECTOR) P0A01

NG -- CONNECT SECURELY
OK -- Continue to next step.

15. CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR) P0A01

NG -- CONNECT SECURELY
OK -- Continue to next step.

16. CHECK HARNESS AND CONNECTOR (WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY) P0A01

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

17. CHECK WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY P0A01

NG -- REPLACE WATER PUMP WITH MOTOR AND BRACKET ASSEMBLY Components

OK -- REPLACE HYBRID VEHICLE CONTROL ECU Components