Inspection Procedure

HINT:

Start the inspection from step 1 in case of using LEXUS hand-held tester and start from step  2 in case of not using LEXUS hand-held tester.

1. Check telescopic motor operation using LEXUS hand-held tester. 

   PREPARATION: 

   1. Connect the LEXUS hand-held tester to the DLC3.
   2. Turn ignition switch ON and push the LEXUS hand-held tester main switch ON.
   3. Select the ACTIVE TEST mode on the LEXUS hand-held tester.

   CHECK: 

   Check that the steering column length become short (long) and confirm that telescopic position value change when the ACTIVE TEST carried out.

   OK: 

   Steering column length must be short (long). 

   Telescopic position value must be changed. 

   Fig 1: Checking Telescopic Motor Operation Using LEXUS Hand-Held Tester

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. OK : Proceed to next circuit inspection shown on the problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ). 
   2. NG : Go to next step. 
2. Check telescopic motor. 

   PREPARATION: 

   1. Disconnect telescopic motor connector and tilt motor connector.
   2. Remove telescopic motor (See DISASSEMBLY ).

   CHECK: 

   Connect tilt motor connector to telescopic motor. Then confirm that telescopic motor moved when operating the manual switch.

   Fig 2: Identifying Telescopic Motor And Tilt Motor Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. NG : Replace telescopic motor. 
   2. OK : Go to next step. 
3. Check for open or short circuit in harness and connector between power tilt and power telescopic ECU and telescopic motor (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
   1. NG : Repair or replace harness or connector. 
   2. OK : Proceed to next circuit inspection shown on the problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ).