Diesel Data: Automotive Repair

P3000-388








P112 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P3000-388: HV Battery Malfunction

DTC P3000-388 - HV Battery Malfunction

DESCRIPTION

Based on the malfunction signal received from the battery ECU, the system alerts the driver and effects fail-safe control.
This DTC is output when the SOC (state of charge) of the HV battery decreases as a result of leaving the vehicle in the N position, running out of fuel, or malfunction in the HV control system.






INSPECTION PROCEDURE

PROCEDURE

1. READ OUTPUT DTC (HV ECU)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch ON (IG).
(c) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
(d) Check if DTCs are output.
Result:
DTC P3000 (INF 388) and other DTCs are output
HINT: If any other codes besides P3000 (INF 388) are output, perform troubleshooting for those DTCs first.

YES -- GO TO RELEVANT DTC CHART
NO -- Continue to next step.

2. CHECK AMOUNT OF GASOLINE
(a) Turn the power switch ON (IG).
(b) Check the amount of gasoline with the fuel gauge in the meter.
OK:
Appropriate amount of gasoline
NG -- REFUEL GASOLINE
OK -- Continue to next step.

3. CHECK IF ENGINE STARTS
(a) Turn the power switch ON (READY).
(b) Check if the engine starts.
OK:
The engine starts
NO -- REPLACE HV SUPPLY BATTERY ASSEMBLY
YES -- LEAVE VEHICLE IN P POSITION, AND CHARGE HV BATTERY IN IDLE STATUS UNTIL IDLING STOPS