PS Warning Light Remains ON: Description

The power steering ECU assembly is connected to the combination meter via CAN and multiplex communications. If any of the following is detected, the P/S warning light remains on

• The power steering ECU assembly connectors are disconnected from the power steering ECU assembly
• There is a malfunction in the power steering ECU assembly internal circuit
• There is an open in the harness between the combination meter and power steering ECU assembly

When a voltage source drop is occurred in a system, the warning light comes on to inform the driver of the problem