DTC P0A94-9E: Dc/Dc Converter Stuck On: Notes
WARNING: This page is about a different variant/trim than selected.
1. -
Detecting condition:
Boosting converter fail signal detection (circuit malfunction)
(1 trip detection logic)
Trouble symptom:
- Reduced output power
- A driving range is limited
- Engine not stopped
CAUTION:
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
- CHECK DTC
.
Read the following DTCs using Subaru Select Monitor. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) . Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) . Ref. to P-HEV HIGH VOLTAGE BATTERY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
- P-HEV Hybrid Powertrain Control
- P-HEV Drive Motor
- P-HEV High Voltage Battery
NOTE:Malfunction contents System Related DTC Insulation malfunction P-HEV Hybrid Powertrain Control P1C7C49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (A/C AREA) INTERNAL ELECTRONIC FAILURE P1C7D49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (HYBRID/EV BATTERY AREA) INTERNAL ELECTRONIC FAILURE P1C7E49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (TRANSAXLE AREA) INTERNAL ELECTRONIC FAILURE P1C7F49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (DIRECT CURRENT AREA) INTERNAL ELECTRONIC FAILURE High voltage system failure P-HEV Hybrid Powertrain Control P0AD911 HYBRID/EV BATTERY POSITIVE CONTACTOR CIRCUIT SHORT TO GROUND P0AD915 HYBRID/EV BATTERY POSITIVE CONTACTOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN P0ADD11 HYBRID/EV BATTERY NEGATIVE CONTACTOR CIRCUIT SHORT TO GROUND P0ADD15 HYBRID/EV BATTERY NEGATIVE CONTACTOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN P1C8449 HIGH VOLTAGE POWER RESOURCE CIRCUIT SHORT DURING READY ON HV battery related failure P-HEV High Voltage Battery P056014 SYSTEM VOLTAGE (BATT) CIRCUIT SHORT TO GROUND OR OPEN P060629 HYBRID/EV BATTERY ENERGY CONTROL MODULE PROCESSOR TO MONITORING PROCESSOR SIGNAL INVALID P060687 HYBRID/EV BATTERY ENERGY CONTROL MODULE PROCESSOR TO MONITORING PROCESSOR MISSING MESSAGE P060A47 HYBRID/EV BATTERY ENERGY CONTROL MODULE MONITORING PROCESSOR WATCHDOG/SAFETY MCU FAILURE P060A87 HYBRID/EV BATTERY ENERGY CONTROL MODULE PROCESSOR FROM MONITORING PROCESSOR MISSING MESSAGE P060B16 HYBRID/EV BATTERY ENERGY CONTROL MODULE A/D PROCESSING CIRCUIT VOLTAGE BELOW THRESHOLD P060B49 HYBRID/EV BATTERY ENERGY CONTROL MODULE A/D PROCESSING INTERNAL ELECTRONIC FAILURE P0ABF11 HYBRID/EV BATTERY CURRENT SENSOR "A" CIRCUIT SHORT TO GROUND P0ABF15 HYBRID/EV BATTERY CURRENT SENSOR "A" CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN P0ABF28 HYBRID/EV BATTERY CURRENT SENSOR "A" SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0ABF2A HYBRID/EV BATTERY CURRENT SENSOR "A" SIGNAL STUCK IN RANGE P0B0E11 HYBRID/EV BATTERY CURRENT SENSOR "B" CIRCUIT SHORT TO GROUND P0B0E15 HYBRID/EV BATTERY CURRENT SENSOR "B" CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN P0B1362 HYBRID/EV BATTERY CURRENT SENSOR "A"/"B" SIGNAL COMPARE FAILURE P0E2D00 HYBRID/EV BATTERY ENERGY CONTROL MODULE HYBRID/EV BATTERY MONITOR PERFORMANCE P1A001C HYBRID BATTERY STACK 2 CELL VOLTAGE DETECTION VOLTAGE OUT OF RANGE P1A6017 HYBRID/EV BATTERY STACK 2 CELL CIRCUIT VOLTAGE ABOVE THRESHOLD P1A6116 HYBRID/EV BATTERY STACK 2 CELL CIRCUIT VOLTAGE BELOW THRESHOLD P1A8100 HYBRID/EV BATTERY STACK 1 DELTA SOC HIGH (EXTREME) P1A8600 HYBRID/EV BATTERY STACK 2 DELTA SOC HIGH (EXTREME) P1AC413 HYBRID/EV BATTERY STACK 1 CURRENT INTERRUPT DEVICE CIRCUIT OPEN P1AC49E HYBRID/EV BATTERY STACK 1 CURRENT INTERRUPT DEVICE STUCK ON P1AC513 HYBRID/EV BATTERY STACK 2 CURRENT INTERRUPT DEVICE CIRCUIT OPEN P1AC59E HYBRID/EV BATTERY STACK 2 CURRENT INTERRUPT DEVICE STUCK ON P1AFD00 FLYING CAPACITOR CIRCUIT VOLTAGE OUT OF RANGE P1AFD1C FLYING CAPACITOR/INTERNAL CONTROL MODULE HYBRID/EV BATTERY MONITOR VOLTAGE OUT OF RANGE P1CBB12 HYBRID/EV BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT SHORT TO AUXILIARY BATTERY P1CBB14 HYBRID/EV BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT SHORT TO GROUND OR OPEN P1CC81E HYBRID/EV BATTERY STACK 1 VOLTAGE DIFFERENCE OUT OF RANGE P1CC91E HYBRID/EV BATTERY STACK 2 VOLTAGE DIFFERENCE OUT OF RANGE P301A1C HYBRID BATTERY STACK 1 CELL VOLTAGE DETECTION VOLTAGE OUT OF RANGE P31AA17 HYBRID/EV BATTERY STACK 1 CELL CIRCUIT VOLTAGE ABOVE THRESHOLD P31AB16 HYBRID/EV BATTERY STACK 1 CELL CIRCUIT VOLTAGE BELOW THRESHOLD P31B300 HYBRID/EV BATTERY VOLTAGE HIGH P33DA1E HYBRID/EV BATTERY STACK 1 CIRCUIT RESISTANCE OUT OF RANGE P33DB1E HYBRID/EV BATTERY STACK 2 CIRCUIT RESISTANCE OUT OF RANGE P33E01B HYBRID/EV BATTERY STACK 1 CIRCUIT RESISTANCE ABOVE THRESHOLD P33E11B HYBRID/EV BATTERY STACK 2 CIRCUIT RESISTANCE ABOVE THRESHOLD P33EC16 (EXTREME) HYBRID/EV BATTERY STACK 1 CELL CIRCUIT VOLTAGE BELOW THRESHOLD P33ED16 (EXTREME) HYBRID/EV BATTERY STACK 2 CELL CIRCUIT VOLTAGE BELOW THRESHOLD U029387 LOST COMMUNICATION WITH HYBRID POWERTRAIN CONTROL MODULE MISSING MESSAGE U115087 LOST COMMUNICATION WITH HYBRID POWERTRAIN CONTROL MODULE (HYBRID/EV BATTERY LOCAL BUS) MISSING MESSAGE P-HEV Hybrid Powertrain Control P0A1F94 HYBRID/EV BATTERY ENERGY CONTROL MODULE UNEXPECTED OPERATION P0ABF00 HYBRID/EV BATTERY CURRENT SENSOR "A" CIRCUIT RANGE/PERFORMANCE P0B231C HYBRID/EV BATTERY "A" VOLTAGE SENSOR VOLTAGE OUT OF RANGE U011187 LOST COMMUNICATION WITH HYBRID/EV BATTERY ENERGY CONTROL MODULE "A" MISSING MESSAGE U117587 LOST COMMUNICATION WITH HYBRID/EV BATTERY ENERGY CONTROL MODULE "A" (POWERTRAIN BUS) MISSING MESSAGE Microcomputer malfunction P-HEV Drive Motor P0A1A47 GENERATOR CONTROL MODULE WATCHDOG/SAFETY MC FAILURE P0A1A49 GENERATOR CONTROL MODULE INTERNAL ELECTRONIC FAILURE P0A1B1F GENERATOR CONTROL MODULE CIRCUIT INTERMITTENT P1C2A1C GENERATOR A/D CONVERTER CIRCUIT CIRCUIT VOLTAGE OUT OF RANGE P1C2A49 GENERATOR A/D CONVERTER CIRCUIT INTERNAL ELECTRONIC FAILURE P1C2B1C DRIVE MOTOR "A" CONTROL MODULE A/D CONVERTER CIRCUIT VOLTAGE OUT OF RANGE P1C2B49 DRIVE MOTOR "A" CONTROL MODULE A/D CONVERTER CIRCUIT INTERNAL ELECTRONIC FAILURE P313383 COMMUNICATION ERROR FROM GENERATOR TO DRIVE MOTOR "A" VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT P313386 COMMUNICATION ERROR FROM GENERATOR TO DRIVE MOTOR "A" SIGNAL INVALID P313387 COMMUNICATION ERROR FROM GENERATOR TO DRIVE MOTOR "A" MISSING MESSAGE P313483 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT P313486 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR SIGNAL INVALID P313487 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR MISSING MESSAGE P-HEV Hybrid Powertrain Control P0A1B49 DRIVE MOTOR "A" CONTROL MODULE INTERNAL ELECTRONIC FAILURE Power supply system malfunction P-HEV Drive Motor P06B01C GENERATOR CONTROL MODULE POSITION SENSOR REF POWER SOURCE CIRCUIT VOLTAGE OUT OF RANGE P06D61C GENERATOR CONTROL MODULE OFFSET POWER CIRCUIT VOLTAGE OUT OF RANGE Communication system malfunction P-HEV Drive Motor P312487 LOST COMMUNICATION BETWEEN DRIVE MOTOR "A" AND HV ECU MISSING MESSAGE P-HEV Hybrid Powertrain Control P312387 LOST COMMUNICATION WITH DRIVE MOTOR CONTROL MODULE "A" FROM HYBRID/EV CONTROL MODULE MISSING MESSAGE Sensor and actuator circuit malfunction P-HEV Drive Motor P0A3F16 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT VOLTAGE BELOW THRESHOLD P0A3F21 DRIVE MOTOR "A" POSITION SENSOR SIGNAL AMPLITUDE < MINIMUM P0A3F22 DRIVE MOTOR "A" POSITION SENSOR SIGNAL AMPLITUDE>MAXIMUM P0A4B16 GENERATOR POSITION SENSOR CIRCUIT VOLTAGE BELOW THRESHOLD P0A4B21 GENERATOR POSITION SENSOR SIGNAL AMPLITUDE < MINIMUM P0A4B22 GENERATOR POSITION SENSOR SIGNAL AMPLITUDE>MAXIMUM P0A6012 DRIVE MOTOR "A" PHASE V CURRENT (HIGH RESOLUTION) CIRCUIT SHORT TO BATTERY P0A6014 DRIVE MOTOR "A" PHASE V CURRENT (HIGH RESOLUTION) CIRCUIT SHORT TO GROUND OR OPEN P0A601C DRIVE MOTOR "A" PHASE V CURRENT (HIGH RESOLUTION) CIRCUIT VOLTAGE OUT OF RANGE P0A6312 DRIVE MOTOR "A" PHASE W CURRENT (HIGH RESOLUTION) CIRCUIT SHORT TO BATTERY P0A6314 DRIVE MOTOR "A" PHASE W CURRENT (HIGH RESOLUTION) CIRCUIT SHORT TO GROUND OR OPEN P0A631C DRIVE MOTOR "A" PHASE W CURRENT (HIGH RESOLUTION) CIRCUIT VOLTAGE OUT OF RANGE P0BE512 DRIVE MOTOR "A" PHASE U CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0BE514 DRIVE MOTOR "A" PHASE U CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0BE528 DRIVE MOTOR "A" PHASE U CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0BE912 DRIVE MOTOR "A" PHASE V CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0BE914 DRIVE MOTOR "A" PHASE V CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0BE928 DRIVE MOTOR "A" PHASE V CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0BED12 DRIVE MOTOR "A" PHASE W CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0BED14 DRIVE MOTOR "A" PHASE W CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0BED28 DRIVE MOTOR "A" PHASE W CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0BFD62 DRIVE MOTOR "A" PHASE U-V-W CURRENT SENSOR SIGNAL COMPARE FAILURE P0C5013 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "A" CIRCUIT OPEN P0C5016 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "A" CIRCUIT VOLTAGE BELOW THRESHOLD P0C5017 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "A" CIRCUIT VOLTAGE ABOVE THRESHOLD P0C5A13 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "B" CIRCUIT OPEN P0C5A16 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "B" CIRCUIT VOLTAGE BELOW THRESHOLD P0C5A17 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "B" CIRCUIT VOLTAGE ABOVE THRESHOLD P0C6413 GENERATOR POSITION SENSOR CIRCUIT "A" CIRCUIT OPEN P0C6416 GENERATOR POSITION SENSOR CIRCUIT "A" CIRCUIT VOLTAGE BELOW THRESHOLD P0C6417 GENERATOR POSITION SENSOR CIRCUIT "A" CIRCUIT VOLTAGE ABOVE THRESHOLD P0C6913 GENERATOR POSITION SENSOR CIRCUIT "B" CIRCUIT OPEN P0C6916 GENERATOR POSITION SENSOR CIRCUIT "B" CIRCUIT VOLTAGE BELOW THRESHOLD P0C6917 GENERATOR POSITION SENSOR CIRCUIT "B" CIRCUIT VOLTAGE ABOVE THRESHOLD P0D2D16 DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR (VH) CIRCUIT VOLTAGE BELOW THRESHOLD P0D2D17 DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR (VH) CIRCUIT VOLTAGE ABOVE THRESHOLD P0DFA62 GENERATOR PHASE U-V-W CURRENT SENSOR SIGNAL COMPARE FAILURE P0E0012 GENERATOR PHASE U CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0E0014 GENERATOR PHASE U CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0E0028 GENERATOR PHASE U CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0E0412 GENERATOR PHASE V CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0E0414 GENERATOR PHASE V CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0E0428 GENERATOR PHASE V CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0E0812 GENERATOR PHASE W CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0E0814 GENERATOR PHASE W CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0E0828 GENERATOR PHASE W CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0E3116 DC/DC CONVERTER VOLTAGE SENSOR "A" (VL) CIRCUIT VOLTAGE BELOW THRESHOLD P0E3117 DC/DC CONVERTER VOLTAGE SENSOR "A" (VL) CIRCUIT VOLTAGE ABOVE THRESHOLD P0E5111 DC/DC CONVERTER CURRENT SENSOR CIRCUIT SHORT TO GROUND P0E5115 DC/DC CONVERTER CURRENT SENSOR CIRCUIT SHORT TO BATTERY OR OPEN P0E5128 DC/DC CONVERTER CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P1CAC49 GENERATOR POSITION SENSOR INTERNAL ELECTRONIC FAILURE P1CAD49 DRIVE MOTOR "A" POSITION SENSOR INTERNAL ELECTRONIC FAILURE P1CAF38 GENERATOR POSITION SENSOR REF SIGNAL CYCLE MALFUNCTION SIGNAL FREQUENCY INCORRECT P1CB038 DRIVE MOTOR "A" POSITION SENSOR REF SIGNAL FREQUENCY INCORRECT P1CFF62 HYBRID/EV BATTERY CURRENT/DC/DC CONVERTER CURRENT SIGNAL COMPARE FAILURE P-HEV Hybrid Powertrain Control P0C7600 HYBRID/EV BATTERY SYSTEM DISCHARGE TIME TOO LONG P0D2D1C DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR VOLTAGE OUT OF RANGE P0E311C BOOSTING CONVERTER VOLTAGE SENSOR "A" VOLTAGE OUT OF RANGE System malfunction P-HEV Drive Motor P0A9000 DRIVE MOTOR "A" PERFORMANCE P0A9200 HYBRID GENERATOR PERFORMANCE P0BFF1D DRIVE MOTOR "A" CIRCUIT CURRENT OUT OF RANGE P0C1900 DRIVE MOTOR "A" EXECUTION TORQUE PERFORMANCE P0CA300 DC/DC CONVERTER STEP UP VOLTAGE PERFORMANCE P0E7100 GENERATOR EXECUTION TORQUE PERFORMANCE P1CA51D HYBRID GENERATOR CIRCUIT CURRENT OUT OF RANGE P314F1F DC/DC CONVERTER VOLTAGE SENSOR "A" (VL) CIRCUIT INTERMITTENT P31531D DC/DC CONVERTER CURRENT SENSOR CIRCUIT CURRENT OUT OF RANGE P-HEV Hybrid Powertrain Control P0A9300 INVERTER "A" COOLING SYSTEM PERFORMANCE P0AA649 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION INTERNAL ELECTRONIC FAILURE P0C7396 MOTOR ELECTRONICS COOLANT PUMP "A" COMPONENT INTERNAL FAILURE P314A31 MOTOR ELECTRONICS COOLANT PUMP "A" NO SIGNAL P-HEV Drive Motor P0A3F1F DRIVE MOTOR "A" POSITION SENSOR CIRCUIT INTERMITTENT P0A4B1F GENERATOR POSITION SENSOR CIRCUIT INTERMITTENT P0A601F DRIVE MOTOR "A" PHASE V CURRENT (HIGH RESOLUTION) CIRCUIT INTERMITTENT P0A631F DRIVE MOTOR "A" PHASE W CURRENT (HIGH RESOLUTION) CIRCUIT INTERMITTENT P0C501F DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "A" CIRCUIT INTERMITTENT P0C5A1F DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "B" CIRCUIT INTERMITTENT P0C641F GENERATOR POSITION SENSOR CIRCUIT "A" CIRCUIT INTERMITTENT P0C691F GENERATOR POSITION SENSOR CIRCUIT "B" CIRCUIT INTERMITTENT P0D2D1F DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR (VH) CIRCUIT INTERMITTENT P0E311F DC/DC CONVERTER VOLTAGE SENSOR "A" (VL) CIRCUIT INTERMITTENT P1C601F GENERATOR CONTROL MODULE POSITION SENSOR REF POWER SOURCE CIRCUIT INTERMITTENT P1C621F GENERATOR CONTROL MODULE OFFSET POWER CIRCUIT INTERMITTENT P1C641F GENERATOR CONTROL MODULE CIRCUIT INTERMITTENT P1C651F GENERATOR CONTROL MODULE CIRCUIT INTERMITTENT P1C671F DRIVE MOTOR "A" PHASE U-V-W CURRENT SENSOR CIRCUIT INTERMITTENT P1C691F GENERATOR PHASE U-V-W CURRENT SENSOR CIRCUIT INTERMITTENT P31241F LOST COMMUNICATION BETWEEN DRIVE MOTOR "A" AND HV ECU CIRCUIT INTERMITTENT When "Only DTC P0A949E or P0D3319 is displayed" or "DTC other than above is displayed at the same time", go to A.
When DTCs related to [P-HEV Hybrid Powertrain Control] mentioned above are simultaneously displayed, go to B.
When DTCs related to [P-HEV Drive Motor] mentioned above are simultaneously displayed, go to C.
When DTCs related to [P-HEV High Voltage Battery] mentioned above are simultaneously displayed, go to D.
Yes:
- Go to 2.
- Perform the diagnosis for the simultaneously displayed DTCs.NOTE:
- If more than one DTC is simultaneously displayed, perform the diagnosis in the order described in the above.
- If DTC P0A949E is displayed, replace the Inverter with converter assembly after the repair is completed. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
- Perform the diagnosis for the simultaneously displayed DTCs.NOTE:
- If more than one DTC is simultaneously displayed, perform the diagnosis in the order described in the above.
- If DTC P0A949E is displayed, replace the Inverter with converter assembly after the repair is completed. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
- Perform the diagnosis for the simultaneously displayed DTCs.
NOTE:- If more than one DTC is simultaneously displayed, perform the diagnosis in the order described in the above.
- If DTC P0A949E is displayed, replace the Inverter with converter assembly after the repair is completed. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
No: -
- CHECK FREEZE FRAME DATA AND DIAGNOSTIC RELATED INFORMATION
.
- Using the Subaru Select Monitor, read [Diagnosis Related Information] of [P-HEV Drive Motor]. Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>WORK SUPPORT .
- Read the DTC of [P-HEV Drive Motor] using the Subaru Select Monitor. Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
When diagnostic related information DTC P312487 is displayed, go to A.
When diagnostic related information DTC P312487 is not displayed and freeze frame data [Emergency Shutdown Signal] is ON, go to B.
For cases other than above, go to C.
Yes:
- Perform the diagnosis of DTC P31241F. Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P31241F LOST COMMUNICATION BETWEEN DRIVE MOTOR "A" AND HV ECU CIRCUIT INTERMITTENT .
- Perform the diagnosis of DTC P321E9F. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P321E9F MOTOR/GENERATOR SHUTDOWN SIGNAL STUCK OFF .
- Go to 3.
No: -
- CHECK FREEZE FRAME DATA
.
Using the Subaru Select Monitor, display the following items in the freeze frame data of [P-HEV Drive Motor] (DTC P0A949E or P0D3319). Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>FREEZE FRAME DATA .
- Boosting Converter Temperature (Upper)
- Boosting Converter Temperature 1(Lower)
Is the value of [Boosting Converter Temperature (Upper)] or [Boosting Converter Temperature 1(Lower)] 120[°C] (248°F) or more?
Yes: Go to 4.
No: Go to 5.
- CHECK Cooling System
.
Check Cooling System. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>COOLING SYSTEM .
Is the Cooling System OK?
Yes: Go to 5.
No: Repair according to Cooling System inspection. And then, Go to 5.
- CHECK THE CONNECTING CONDITION OF CONNECTOR (Inverter with converter assembly LOW PRESSURE CONNECTOR)
.CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
- Check that the Service plug is disconnected. Ref. to HYBRID ELECTRIC VEHICLE>SERVICE PLUG .
- Check the connecting condition of low pressure connectors (HV23) and (HV24) in Inverter with converter assembly and check the relevant terminals for contact pressure, deformation and intrusion of water or foreign matter. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
NOTE: When connecting the connector, insert to the end with the lock lever raised, then fold the lock lever completely until a click is heard. After connected, make sure that the lock claw does not loosen and pull the connector to see that it does not come off.Is there looseness at the connector connection, or any poor contact, deformation or intrusion of water or foreign matters at the relevant terminals?
Yes: Connect the connector securely. Or repair the poor contact of connector.
No: Go to 6.
- CHECK GENERATOR RESOLVER CIRCUIT
.
Check GENERATOR RESOLVER CIRCUIT. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>GENERATOR RESOLVER CIRCUIT .
Is the GENERATOR RESOLVER CIRCUIT OK?
Yes: Go to 7.
No: Repair according to GENERATOR RESOLVER CIRCUIT inspection. And then, Go to 7.
- CHECK MOTOR RESOLVER CIRCUIT
.
Check MOTOR RESOLVER CIRCUIT. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>MOTOR RESOLVER CIRCUIT .
Is the MOTOR RESOLVER CIRCUIT OK?
Yes: Go to 8.
No: Repair according to MOTOR RESOLVER CIRCUIT inspection. And then, Go to 8.
- CHECK GENERATOR HIGH-VOLTAGE CIRCUIT
.
Check GENERATOR HIGH-VOLTAGE CIRCUIT. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>GENERATOR HIGH-VOLTAGE CIRCUIT .
Is the GENERATOR HIGH-VOLTAGE CIRCUIT OK?
Yes: Go to 9.
No: Repair according to GENERATOR HIGH-VOLTAGE CIRCUIT inspection. And then, Go to 9.
- CHECK MOTOR HIGH-VOLTAGE CIRCUIT
.
Check MOTOR HIGH-VOLTAGE CIRCUIT. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>MOTOR HIGH-VOLTAGE CIRCUIT .
Is the MOTOR HIGH-VOLTAGE CIRCUIT OK?
Yes: Go to 10.
No: Repair according to MOTOR HIGH-VOLTAGE CIRCUIT inspection. And then, Go to 10.
- CHECK Inverter low-voltage circuit
.
Check Inverter low-voltage circuit. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>INVERTER LOW-VOLTAGE CIRCUIT .
Is the Inverter low-voltage circuit OK?
Yes: Go to 11.
No: Repair according to Inverter low-voltage circuit inspection. Then, replace the Inverter with converter assembly. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
- CHECK FREEZE FRAME DATA
.
Using the Subaru Select Monitor, display the [Inverter Input Current] in the freeze frame data of [P-HEV Drive Motor] (DTC P0A949E or P0D3319). Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>FREEZE FRAME DATA .
NOTE: As the freeze frame data is stored immediately before and after the DTC is stored, the value (only "0(s)") must be read out at the moment that the DTC is stored.Is [Inverter Input Current] 50 [A] or more?
Yes: Replace Inverter with converter assembly. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
No: Replace Inverter with converter assembly, HV battery and HV battery junction block. Ref. to HYBRID ELECTRIC VEHICLE>HYBRID POWERTRAIN CONTROL MODULE .