P3025

HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM: P3011-123-P3019-123, P3020-123-P3027-123: Battery Block 1 Becomes Weak
P3027-123 - Battery Block 17 Becomes Weak

DESCRIPTION

- Refer to the Description for DTC P0A9C-123 P0A9C.





HINT
P3011-123 and P3027-123 will not be set unless the vehicle is driven for approximately 10 minutes after clearing the DTCs.

MONITOR DESCRIPTION

If there is an abnormal internal resistance or electromotive voltage in the battery blocks, the battery smart unit determines that a malfunction has occurred. When the malfunction detection condition is satisfied, the power management control ECU will illuminate the MIL and set a DTC.

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





COMPONENT OPERATING RANGE





CONFIRMATION DRIVING PATTERN

1. Connect the Techstream to the DLC3.

2. Turn the power switch on (IG) and turn the Techstream on.

3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

4. Turn the power switch off.

5. Turn the power switch on (READY) and turn the Techstream on.

6. Perform a universal trip.

7. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

8. Check that permanent DTCs are cleared.

HINT
* If a permanent DTC is output, the system is malfunctioning.
* If no permanent DTC is output, the system is normal.

INSPECTION PROCEDURE

CAUTION:
When disposing of an HV battery, make sure to return it through an authorized collection agent who is capable of handling it safely. If the HV battery is returned via the manufacturer specified route, it will be returned properly and in a safe manner by an authorized collection agent.

PROCEDURE

1. CHECK DTC OUTPUT (HYBRID CONTROL) P0A7F

B -- GO TO DTC CHART (HYBRID BATTERY SYSTEM)
A -- Continue to next step.

2. CHECK BATTERY SMART UNIT P0A7F

B -- CHECK DTC OUTPUT (HYBRID CONTROL)

A -- REPLACE BATTERY SMART UNIT Components

3. CHECK DTC OUTPUT (HYBRID CONTROL)

(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





HINT
DTC P3019-123 may also stored if there is foreign matter, etc. adhering to the connecting part of the service grip.

(e) Turn the power switch off.

B -- REPLACE HV BATTERY Components

A -- REPLACE SERVICE PLUG GRIP AND HV BATTERY Components