POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM Actuator Power Source Circuit

DESCRIPTION

This is the power source for the power tilt and power telescopic steering column system.

WIRING DIAGRAM

A0021H0E14
*a from Auxiliary Battery
*b Multiplex Tilt and Telescopic ECU

CAUTION / NOTICE / HINT

Tech Tips

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - AUXILIARY BATTERY)


    1. A0021R0C39
      *a

      Front view of wire harness connector

      (to Multiplex Tilt and Telescopic ECU)

      Disconnect the K19 multiplex tilt and telescopic ECU connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      K19-2 (+B) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND)


    1. A0021R0C43
      *a

      Front view of wire harness connector

      (to Multiplex Tilt and Telescopic ECU)

      Disconnect the K19 multiplex tilt and telescopic ECU connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      K19-1 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MULTIPLEX TILT AND TELESCOPIC ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR