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Home >> Lexus >> 2010 >> HS 250h >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control (Diagnostic Codes (P0AA6-526 - U0424-537) & Circuit Tests) >> Hybrid Control System >> EV Drive Mode Switch Circuit >> Inspection Procedure

Inspection Procedure

If any of the following conditions are not met, EV mode may not be turned on or the mode may be canceled. (A buzzer sounds to indicate that the transition to EV mode is canceled and a message is displayed on the multi-information display.)

EV Mode Entry Condition Tester Display Specified Condition
HV battery charge level State of Charge Approximately 50% or higher
Accelerator pedal position Accelerator Degree Below approximately 30%
Engine coolant temperature Engine Coolant Temp 158°F (70°C) or higher
HV battery temperature Temp of Batt TB1 to TB6 Between 50°F to 104°F (10°C to 40°C)
Vehicle speed
(Varies depending on engine warm-up condition)
- Cold: Not available
Warmed-up: 19 mph (30km/h)
Defroster - OFF
Cruise control - OFF
Win Charge Control Value Below -5000W
Wout Discharge Control Value 11500W or higher
Neutral (N) selected - Engine is not running