DTC P0A7A-72: Generator Inverter Actuator Stuck Open: Notes
- -
Detecting condition:
Malfunction is detected when offset component occurs in current flowing through generator with one phase open malfunction
(1 trip detection logic)
Trouble symptom:
- Greatly reduced output power
- A driving range is limited
- Engine used while driving and engine speed becomes high
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) .
- P-HEV Hybrid Powertrain Control
- P-HEV Drive Motor
NOTE:Malfunction contents System Related DTC Insulation malfunction P-HEV Hybrid Powertrain Control P1C7C-49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (A/C AREA) INTERNAL ELECTRONIC FAILURE P1C7D-49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (HYBRID/EV BATTERY AREA) INTERNAL ELECTRONIC FAILURE P1C7E-49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (TRANSAXLE AREA) INTERNAL ELECTRONIC FAILURE P1C7F-49 HYBRID/EV BATTERY VOLTAGE SYSTEM ISOLATION (DIRECT CURRENT AREA) INTERNAL ELECTRONIC FAILURE High voltage system failure P-HEV Hybrid Powertrain Control P0AD9-11 HYBRID/EV BATTERY POSITIVE CONTACTOR CIRCUIT SHORT TO GROUND P0AD9-15 HYBRID/EV BATTERY POSITIVE CONTACTOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN P0ADD-11 HYBRID/EV BATTERY NEGATIVE CONTACTOR CIRCUIT SHORT TO GROUND P0ADD-15 HYBRID/EV BATTERY NEGATIVE CONTACTOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN P1C84-49 HIGH VOLTAGE POWER RESOURCE CIRCUIT SHORT DURING READY ON Microcomputer malfunction P-HEV Drive Motor P0A1A-47 GENERATOR CONTROL MODULE WATCHDOG/SAFETY MC FAILURE P0A1A-49 GENERATOR CONTROL MODULE INTERNAL ELECTRONIC FAILURE P0A1B-1F GENERATOR CONTROL MODULE CIRCUIT INTERMITTENT P1C2A-1C GENERATOR A/D CONVERTER CIRCUIT CIRCUIT VOLTAGE OUT OF RANGE P1C2A-49 GENERATOR A/D CONVERTER CIRCUIT INTERNAL ELECTRONIC FAILURE P1C2B-1C DRIVE MOTOR "A" CONTROL MODULE A/D CONVERTER CIRCUIT VOLTAGE OUT OF RANGE P1C2B-49 DRIVE MOTOR "A" CONTROL MODULE A/D CONVERTER CIRCUIT INTERNAL ELECTRONIC FAILURE P3133-83 COMMUNICATION ERROR FROM GENERATOR TO DRIVE MOTOR "A" VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT P3133-86 COMMUNICATION ERROR FROM GENERATOR TO DRIVE MOTOR "A" SIGNAL INVALID P3133-87 COMMUNICATION ERROR FROM GENERATOR TO DRIVE MOTOR "A" MISSING MESSAGE P3134-83 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT P3134-86 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR SIGNAL INVALID P3134-87 COMMUNICATION ERROR FROM DRIVE MOTOR "A" TO GENERATOR MISSING MESSAGE P-HEV Hybrid Powertrain Control P0A1B-49 DRIVE MOTOR "A" CONTROL MODULE INTERNAL ELECTRONIC FAILURE Power supply system malfunction P-HEV Drive Motor P06B0-1C GENERATOR CONTROL MODULE POSITION SENSOR REF POWER SOURCE CIRCUIT VOLTAGE OUT OF RANGE P06D6-1C GENERATOR CONTROL MODULE OFFSET POWER CIRCUIT VOLTAGE OUT OF RANGE Sensor and actuator circuit malfunction P-HEV Drive Motor P0A3F-16 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT VOLTAGE BELOW THRESHOLD P0A3F-21 DRIVE MOTOR "A" POSITION SENSOR SIGNAL AMPLITUDE < MINIMUM P0A3F-22 DRIVE MOTOR "A" POSITION SENSOR SIGNAL AMPLITUDE>MAXIMUM P0A4B-16 GENERATOR POSITION SENSOR CIRCUIT VOLTAGE BELOW THRESHOLD P0A4B-21 GENERATOR POSITION SENSOR SIGNAL AMPLITUDE < MINIMUM P0A4B-22 GENERATOR POSITION SENSOR SIGNAL AMPLITUDE>MAXIMUM P0A60-12 DRIVE MOTOR "A" PHASE V CURRENT (HIGH RESOLUTION) CIRCUIT SHORT TO BATTERY P0A60-14 DRIVE MOTOR "A" PHASE V CURRENT (HIGH RESOLUTION) CIRCUIT SHORT TO GROUND OR OPEN P0A60-1C DRIVE MOTOR "A" PHASE V CURRENT (HIGH RESOLUTION) CIRCUIT VOLTAGE OUT OF RANGE P0A63-12 DRIVE MOTOR "A" PHASE W CURRENT (HIGH RESOLUTION) CIRCUIT SHORT TO BATTERY P0A63-14 DRIVE MOTOR "A" PHASE W CURRENT (HIGH RESOLUTION) CIRCUIT SHORT TO GROUND OR OPEN P0A63-1C DRIVE MOTOR "A" PHASE W CURRENT (HIGH RESOLUTION) CIRCUIT VOLTAGE OUT OF RANGE P0BE5-12 DRIVE MOTOR "A" PHASE U CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0BE5-14 DRIVE MOTOR "A" PHASE U CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0BE5-28 DRIVE MOTOR "A" PHASE U CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0BE9-12 DRIVE MOTOR "A" PHASE V CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0BE9-14 DRIVE MOTOR "A" PHASE V CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0BE9-28 DRIVE MOTOR "A" PHASE V CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0BED-12 DRIVE MOTOR "A" PHASE W CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0BED-14 DRIVE MOTOR "A" PHASE W CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0BED-28 DRIVE MOTOR "A" PHASE W CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0BFD-62 DRIVE MOTOR "A" PHASE U-V-W CURRENT SENSOR SIGNAL COMPARE FAILURE P0C50-13 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "A" CIRCUIT OPEN P0C50-16 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "A" CIRCUIT VOLTAGE BELOW THRESHOLD P0C50-17 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "A" CIRCUIT VOLTAGE ABOVE THRESHOLD P0C5A-13 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "B" CIRCUIT OPEN P0C5A-16 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "B" CIRCUIT VOLTAGE BELOW THRESHOLD P0C5A-17 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT "B" CIRCUIT VOLTAGE ABOVE THRESHOLD P0C64-13 GENERATOR POSITION SENSOR CIRCUIT "A" CIRCUIT OPEN P0C64-16 GENERATOR POSITION SENSOR CIRCUIT "A" CIRCUIT VOLTAGE BELOW THRESHOLD P0C64-17 GENERATOR POSITION SENSOR CIRCUIT "A" CIRCUIT VOLTAGE ABOVE THRESHOLD P0C69-13 GENERATOR POSITION SENSOR CIRCUIT "B" CIRCUIT OPEN P0C69-16 GENERATOR POSITION SENSOR CIRCUIT "B" CIRCUIT VOLTAGE BELOW THRESHOLD P0C69-17 GENERATOR POSITION SENSOR CIRCUIT "B" CIRCUIT VOLTAGE ABOVE THRESHOLD P0D2D-16 DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR(VH) CIRCUIT VOLTAGE BELOW THRESHOLD P0D2D-17 DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR(VH) CIRCUIT VOLTAGE ABOVE THRESHOLD P0DFA-62 GENERATOR PHASE U-V-W CURRENT SENSOR SIGNAL COMPARE FAILURE P0E00-12 GENERATOR PHASE U CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0E00-14 GENERATOR PHASE U CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0E00-28 GENERATOR PHASE U CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0E04-12 GENERATOR PHASE V CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0E04-14 GENERATOR PHASE V CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0E04-28 GENERATOR PHASE V CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0E08-12 GENERATOR PHASE W CURRENT SENSOR CIRCUIT SHORT TO BATTERY P0E08-14 GENERATOR PHASE W CURRENT SENSOR CIRCUIT SHORT TO GROUND OR OPEN P0E08-28 GENERATOR PHASE W CURRENT SENSOR SIGNAL BIAS LEVEL OUT OF RANGE/ZERO ADJUSTMENT FAILURE P0E31-16 DC/DC CONVERTER VOLTAGE SENSOR "A" (VL) CIRCUIT VOLTAGE BELOW THRESHOLD P0E31-17 DC/DC CONVERTER VOLTAGE SENSOR "A" (VL) CIRCUIT VOLTAGE ABOVE THRESHOLD P0E51-11 DC/DC CONVERTER CURRENT SENSOR CIRCUIT SHORT TO GROUND P0E51-15 DC/DC CONVERTER CURRENT SENSOR CIRCUIT SHORT TO BATTERY OR OPEN P0E51-2A DC/DC CONVERTER CURRENT SENSOR SIGNAL STUCK IN RANGE P1CAC-49 GENERATOR POSITION SENSOR INTERNAL ELECTRONIC FAILURE P1CAD-49 DRIVE MOTOR "A" POSITION SENSOR INTERNAL ELECTRONIC FAILURE P1CAF-38 GENERATOR POSITION SENSOR REF SIGNAL CYCLE MALFUNCTION SIGNAL FREQUENCY INCORRECT P1CB0-38 DRIVE MOTOR "A" POSITION SENSOR REF SIGNAL FREQUENCY INCORRECT P-HEV Hybrid Powertrain Control P0C76-00 HYBRID/EV BATTERY SYSTEM DISCHARGE TIME TOO LONG P0D2D-1C DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR VOLTAGE OUT OF RANGE P0E31-1C BOOSTING CONVERTER VOLTAGE SENSOR "A" VOLTAGE OUT OF RANGE P1C2D-62 HYBRID/EV BATTERY "A" VOLTAGE SENSOR/BOOSTING CONVERTER VOLTAGE SENSOR "A" SIGNAL COMPARE FAILURE When "Only DTC P0A7A-72 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.
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.
- 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.
No: -
- 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 matter at the relevant terminals?
Yes: Connect the connector securely. Or repair the poor contact of connector.
No: Go to 3.
- 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: Replace Inverter with converter assembly. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
No: Repair according to GENERATOR HIGH-VOLTAGE CIRCUIT inspection.