Hybrid Battery System
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
WITH CONSULT
1.Turn ignition switch ON and wait at least 10 seconds.
2.Select "Self Diagnostic Result" mode of "HV BAT" using CONSULT.
Is P0A1F detected?
YES- .
NO- INSPECTION END
Diagnosis Procedure
1. CHECK LI-ION BATTERY CONTROLLER POWER SUPPLY
WITH CONSULT
1.Select "DATA MONITOR" mode of "HV BAT" using CONSULT.
2.Check "AD VALUE OF AVCC VOLTAGE" indication under the following conditions.
Is the inspection result normal?
YES- GO TO 2.
NO- Replace Li-ion battery controller. Li-Ion Battery Controller Disassembly and Assembly.
2. PRECONDITIONING
WARNING:
Shut off high voltage circuit. How to Cut Off High Voltage.
Remove Li-ion battery. Removal and Installation.
- GO TO 3.
3. CHECK CURRENT SENSOR CIRCUIT-1
1.Disconnect battery junction box harness connector.
2.Check continuity between battery junction box Harness connector terminal.
Is the inspection result normal?
YES- GO TO 4.
NO- Replace battery junction box. Service and Repair.
4. CHECK CURRENT SENSOR CIRCUIT-2
1.Disconnect Li-ion battery controller harness connector.
2.Check continuity between Li-ion battery controller harness connector and battery junction box harness connector.
Is the inspection result normal?
YES- Replace Li-ion battery controller. Li-Ion Battery Controller Disassembly and Assembly.
NO- Repair harness or connector.