P3022

P3017-123, P3018-123, P3019-123, P3120-123, P3021-123, P3022-123

Description
The hybrid vehicle control ECU controls the SOC (state of charge) of the HV battery at a constant level while driving. The HV battery is composed of 34 modules, and each module consists of six 1.2 V cells in series. The battery smart unit monitors battery block voltage at 17 locations. Each battery block is composed of 2 modules in a set.






DTC Logic

DTC Detection Logic






NOTE:
DTCs from P3011-123 to P3027-123 cannot be set unless the vehicle is driven for approximately 10 minutes after clearing the DTCs.

Diagnostic Procedure

Step 1-2: