C1525

POWER STEERING: POWER STEERING SYSTEM: C1524/24,C1555/25: Motor Terminal Voltage Malfunction
C1555/25 - Motor Relay Welding Failure

DESCRIPTION

The power steering ECU supplies the current to the power steering motor through the motor circuit.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (MOTOR VOLTAGE)

(a) Connect the Techstream to the DLC3.

(b) Start the engine.

(c) Turn the Techstream on.

(d) Check the motor terminal voltage. Enter the following menus: Chassis / EMPS / Data List.

EMPS





Result





B -- REPLACE STEERING COLUMN ASSEMBLY

A -- REPLACE POWER STEERING ECU