P3000-389

P310 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P3000-389: HV Battery Malfunction

DTC P3000-389 - HV Battery Malfunction

DESCRIPTION

The HV control ECU alerts the driver and performs fail-safe control based on error signals received from the battery smart unit.
This DTC is output if the HV battery is depleted or the HV control system has a malfunction.






INSPECTION PROCEDURE

PROCEDURE

1. DTC OUTPUT (HV)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
(d) Read output DTCs. Hybrid Control System

Result:
DTCs other than P3000-388 and P3000-389 are output.
YES -- GO TO DTC CHART
NO -- Continue to next step.
2. CHECK ENGINE START
(a) Put the vehicle into the READY-on state. Check if the engine starts.
OK:
The engine starts.
YES -- LEAVE VEHICLE IN P POSITION, AND CHARGE HV BATTERY IN IDLE STATUS UNTIL IDLING STOPS
NO -- Continue to next step.
3. CHECK CRANKSHAFT PULLEY REVOLUTION (P POSITION)
(a) Turn the ignition switch off, move the shift lever to the P position, and lift up the vehicle.
(b) Turn the crank pulley by hand to check if the crankshaft rotates.
CAUTION: Do not put the vehicle into the READY-on state while performing this inspection. Be sure to turn the ignition switch off because the engine may start.

OK:
The crankshaft rotates.
NG -- CHECK CRANKSHAFT PULLEY REVOLUTION (N POSITION)
OK -- REPLACE HV BATTERY
4. CHECK CRANKSHAFT PULLEY REVOLUTION (N POSITION)
(a) Turn the ignition switch off, move the shift lever to the N position, and lift up the vehicle.
(b) Turn the crank pulley by hand to check if the crankshaft rotates.
CAUTION: Do not put the vehicle into the READY-on state while performing this inspection. Be sure to turn the ignition switch off because the engine may start.

OK:
The crankshaft rotates.
OK -- REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY
NG -- REPAIR OR REPLACE ENGINE