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Home >> Lexus >> 2004 >> IS 300 Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Diagnosis >> Circuit Inspection >> DTC P0617: Starter Relay Circuit High >> Inspection Procedure >> Hand-held tester:

Hand-held tester:

  1. Connect hand-held tester, and check STA signal. 

    PREPARATION: 

    1. Connect the hand-held tester to the DLC3.
    2. Turn the ignition switch ON and push the hand-held tester main switch ON.
    3. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / STARTER SIG.

    CHECK: 

    Read the STA signal on the hand-held tester while the starter is operating.

    OK: 

    Fig 1: Ignition Switch Position Chart
    G01496435Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Go to step   5 . 
    2. NG: Go to next step. 
  2. Check park/neutral position switch (See  DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input)  ). 
    1. NG: Replace park/neutral position switch. Go to next step 3 after the replacement. 
    2. OK: Go to next step. 
  3. Check ignition switch (See  INSPECTION  ). 
    1. NG: Replace ignition switch. Go to step   5  after the replacement. 
    2. OK: Go to next step. 
  4. Connect hand-held tester, and check STA signal. 

    PREPARATION: 

    1. Connect the hand-held to the DLC3.
    2. Turn the ignition switch On and push the hand-held tester main switch ON.
    3. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / STARTER SIG.

    CHECK: 

    Read the STA signal on the hand-held tester while the starter is operating.

    OK: 

    Fig 2: Ignition Switch Position Chart
    G01496436Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness and connector. 
    2. OK: Go to next step. 
  5. Check DTC reoccur 

    PREPARATION: 

    1. Connect the hand-held tester to the DLC3.
    2. Turn the ignition switch ON and push the hand-held tester main switch ON.
    3. Clear DTC (See PRE-CHECK )

      Enter the following menus: DIAGNOSIS/ENHANCED OBD II /DTC INFO/ CLEAR CODE and press YES

    4. Drive the vehicle more than 40 km/h (25mph) for 20 seconds or more.

    CHECK: 

    Check DTC reoccur.

    RESULT: 

    Fig 3: Display (DTC Output) Chart
    G01496437Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. A: Replace ECM (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    2. B: Go to next step. 

      Check for intermittent problems (See  PRE-CHECK   .