DTC P0C76-00: Hybrid/EV Battery System Discharge Time Too Long: Notes
WARNING: This page is about a different variant/trim than selected.
1. -
Outline of diagnosis:
Voltage (VH) of Inside of inverter does not decrease in spite of discharge
(Discharge: Offset of residual pressure on the high voltage side after READY OFF)
(1 trip detection logic)
Trouble symptom:
Hybrid system stopped
Wiring diagram:
Hybrid system Ref. to WIRING SYSTEM (CROSSTREK MODEL (HEV))>HYBRID ELECTRIC VEHICLE SYSTEM>WIRING DIAGRAM .
CAUTION:
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to P-HEV HYBRID POWERTRAIN CONTROL (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 Microcomputer malfunction P-HEV Hybrid Powertrain Control P0606-47 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR WATCHDOG/SAFETY MCU FAILURE P0606-87 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR TO MONITORING PROCESSOR MISSING MESSAGE P060A-47 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR WATCHDOG/SAFETY MCU FAILURE P060A-87 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR FROM MONITORING PROCESSOR MISSING MESSAGE P0A1B-49 DRIVE MOTOR "A" CONTROL MODULE INTERNAL ELECTRONIC FAILURE P1C9E-9F HYBRID/EV SYSTEM RESET STUCK OFF P-HEV Drive Motor P0A1B-1F GENERATOR CONTROL MODULE CIRCUIT INTERMITTENT P0A1A-47 GENERATOR CONTROL MODULE WATCHDOG/SAFETY MC FAILURE P0A1A-49 GENERATOR CONTROL MODULE INTERNAL ELECTRONIC FAILURE 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 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 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 Power supply system malfunction P-HEV Drive Motor P06D6-1C GENERATOR CONTROL MODULE OFFSET POWER CIRCUIT VOLTAGE OUT OF RANGE P06B0-1C GENERATOR CONTROL MODULE POSITION SENSOR REF POWER SOURCE CIRCUIT VOLTAGE OUT OF RANGE Communication system malfunction P-HEV Hybrid Powertrain Control P3123-87 LOST COMMUNICATION WITH DRIVE MOTOR CONTROL MODULE "A" FROM HYBRID/EV CONTROL MODULE MISSING MESSAGE Sensor and actuator circuit malfunction 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 P0AE4-11 HYBRID/EV BATTERY PRECHARGE CONTACTOR CIRCUIT SHORT TO GROUND P0AE4-15 HYBRID/EV BATTERY PRECHARGE CONTACTOR CIRCUIT SHORT TO AUXILIARY BATTERY OR OPEN P-HEV Drive Motor P0A3F-16 DRIVE MOTOR "A" POSITION SENSOR CIRCUIT VOLTAGE BELOW THRESHOLD 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 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 System malfunction P-HEV Hybrid Powertrain Control P0D2D-1C DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR VOLTAGE OUT OF RANGE P1C83-49 HIGH VOLTAGE POWER RESOURCE CIRCUIT VOLTAGE SENSOR AFTER BOOSTING MALFUNCTION P-HEV Drive Motor 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 P1CB6-9E DRIVE MOTOR "A" INVERTER VOLTAGE SENSOR(VH) STUCK ON When "Only DTC P0C76-00 is displayed" or "DTC other than above is displayed", 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 Shut Down Signal Circuit
.
Check Shut Down Signal Circuit, Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>SHUT DOWN SIGNAL CIRCUIT .
Is the check result of Shut Down Signal Circuit OK?
Yes: Replace Inverter with converter assembly. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .
No: Repair Shut Down Signal Circuit.