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Home >> Lexus >> 2005 >> IS 300 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine - Diagnostics >> 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: 

    DATA LIST

    Ignition Switch Position ON START
    STA Signal OFF ON

    OK: Go to step   5 . 

    NG: Go to next step. 

  2. Check park/neutral position switch (See  DTC P0705: TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT)  ). 

    NG: Replace park/neutral position switch. Go to next step 3 after the replacement. 

    OK: Go to next step. 

  3. Check ignition switch (See  INSPECTION  ). 

    NG: Replace ignition switch. Go to next step   5  after the replacement. 

    OK: Go to next step. 

  4. 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: 

    DATA LIST

    Ignition Switch Position ON START
    STA Signal OFF ON

    NG: Repair or replace harness and connector. 

    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 25 mph (40 km/h) for 20 seconds or more.

    CHECK: 

    Check DTC reoccur.

    RESULT: 

    RESULT

    Display (DTC Output) Proceed to
    P0617 A
    No DTC output B

    A: Replace ECM (See  ENGINE CONTROL MODULE (ECM)  ). 

    B: Check for intermittent problems (See  PRE-CHECK  ).