P3018

HYBRID BATTERY CONTROL: HYBRID BATTERY SYSTEM: P3011-123-P3019-123, P3020-123-P3029-123: Battery Block 1 Becomes Weak
P3029-123 - Battery Block 19 or 20 Becomes Weak

DESCRIPTION

- Refer to the description of DTC P0A80-123 P0A80.





HINT
These DTCs cannot 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 hybrid vehicle 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

PROCEDURE

1. CHECK FOR DTCS (DTC P0A1F-123 OR P0AFC-123 IS OUTPUT)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

(d) Check if DTCs are output.

Result





B -- GO TO DTC CHART (P0A1F-123 OR P0AFC-123) Hybrid Battery System
A -- Continue to next step.

2. CHECK BATTERY SMART UNIT P0A7F

B -- CHECK FOR DTCS (DTC P3016-123 IS OUTPUT)

A -- REPLACE BATTERY SMART UNIT Removal

3. CHECK FOR DTCS (DTC P3016-123 IS OUTPUT)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

(d) Check if DTCs are output.

Result





HINT
DTC P3016-123 may also be stored if there is foreign matter, etc. adhering to the connecting part of the service plug grip.

B -- REPLACE HV BATTERY AND SERVICE PLUG GRIP Removal

A -- REPLACE HV BATTERY Removal