P3026

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





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTCS (DTC P0A1F-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) Hybrid Battery System
A -- Continue to next step.

2. CHECK BATTERY SMART UNIT P0A7F

B -- REPLACE HV BATTERY Removal

A -- REPLACE BATTERY SMART UNIT Removal