EPS Warning Light Circuit [11/2023 - ]: Description

for HV Model: 

1. Perform the following troubleshooting procedure when the EPS warning light remains on after the ignition switch is turned to ON (READY) but no DTCs are stored.

for Gasoline Model: 

1. Perform the following troubleshooting procedure when the EPS warning light remains on after the engine is started, but no DTCs are stored.

HINT: 

• If the power steering ECU (rack and pinion power steering gear assembly) detects a malfunction in the power source voltage input (IG) circuit, the EPS warning light illuminates.
• If the power steering ECU (rack and pinion power steering gear assembly) detects a drop in the power voltage input (IG and PIG) circuit, the force required to turn the steering wheel may increase, the EPS warning light turns on in order to warn the driver.