P3020

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 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





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (DTC P0A1F-123 IS OUTPUT) P0A7F

B -- GO TO DTC CHART P0A1F
A -- Continue to next step.

2. CHECK BATTERY SMART UNIT P0A7F

B -- REPLACE HV BATTERY ASSEMBLY Components

A -- REPLACE BATTERY SMART UNIT Components