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

DESCRIPTION

When the power switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU.

WIRING DIAGRAM

A000SSGE04

CAUTION / NOTICE / HINT

Tech Tips

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

PROCEDURE


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


    1. A000QFFE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multiplex Tilt and Telescopic ECU)

      Disconnect the multiplex tilt and telescopic ECU connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      N22-10 (IG) - Body ground Power switch on (IG) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. A000QHXE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multiplex Tilt and Telescopic ECU)

      Disconnect the 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
      N22-1 (GND) - Body ground Always Below 1 Ω
      N22-8 (GND2) - Body ground

    OK

    REPLACE MULTIPLEX TILT AND TELESCOPIC ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR