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Home › Scion › 2012 › xD Automatic Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System (Diagnostic Codes (P0420-P1605)) › SFI System › DTC P0617: Starter Relay Circuit High › Procedure

DTC P0617: Starter Relay Circuit High: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM (STARTER RELAY) 
    1. Connect to the Techstream the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Active test / Activate the Starter Relay.
    5. Enter the following monitors: Starter Signal.
    6. Read the value displayed on the Techstream when the ignition switch is turned to the ON and START positions.

      OK

      Ignition Switch Position Starter Signal
      ON OFF
      START ON
      RESULT

      Result Proceed to
      Within standard range A
      Outside standard range B

    B → See step   2 

    A → See step   10 

  2. READ VALUE USING TECHSTREAM (STARTER SIGNAL) 
    1. Inspect the Park/Neutral Position (PNP) switch (for automatic transaxle).
      Fig 1: Identifying Park/Neutral Position Switch Connector Terminals
      GTY160777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the park/neutral position switch connector.
      2. Connect the Techstream to the DLC3.
      3. Turn the ignition switch to ON.
      4. Turn the Techstream on.
      5. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.
      6. Read the value displayed on the Techstream when the ignition switch is turned to ON.
        RESULT

        Starter Signal Proceed to
        ON A
        OFF B
      7. Reconnect the park/neutral position switch connector.
    2. Inspect the clutch start switch circuit (for manual transaxle).
      Fig 2: Identifying Clutch Start Switch Connector Terminals
      GTY160778Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the clutch start switch connector.
      2. Connect the Techstream to the DLC3.
      3. Turn the ignition switch to ON.
      4. Turn the Techstream on.
      5. Enter the following menus: Powertrain / Engine and ECT / Data List / Starter Signal.
      6. Read the value displayed on the Techstream when the ignition switch is turned to ON.
        RESULT

        Starter Signal Proceed to
        ON A
        OFF B
      7. Reconnect the clutch start switch connector.

    B → See step   4 

    A: Go to next step 

  3. INSPECT ECM (STA TERMINAL VOLTAGE) 
    Fig 3: Identifying ECM Connector
    GTY163899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the ECM connector.
    2. Disconnect the clutch start switch or Park/Neutral Position (PNP) switch connector.
    3. Turn the ignition switch to ON.
    4. Measure the voltage according to the value(s) in the table below.

      Result

      Tester Connection Switch Condition Specified Condition Proceed to
      A21-48 (STA) - Body ground Ignition switch ON 11 to 14 V A
      Below 1.5 V B
    5. Reconnect the clutch start switch or park/neutral position switch connector.
    6. Reconnect the ECM connector.

    B → See step   6 

    A → REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - CLUTCH START SWITCH OR PNP SWITCH - ST RELAY) 

  4. INSPECT CLUTCH START SWITCH OR PARK/NEUTRAL POSITION SWITCH 
    Fig 4: Identifying Clutch Start Switch Connector Terminals
    GTY161104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect the clutch start switch circuit (for manual transaxle).
      1. Disconnect the clutch start switch connector.
      2. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        1 - 2 OFF (free) 10 kΩ or higher
      3. Reconnect the clutch start switch connector.
        RESULT

        Result Proceed to
        Within standard range A
        Outside standard range B
      Fig 5: Identifying Park/Neutral Position Switch Connector Terminals
      GTY165633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Inspect the Park/Neutral Position (PNP) switch (for automatic transaxle).
      1. Disconnect the park/neutral position switch connector.
      2. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Shift Selector Lever Position Specified Condition
        4 - 5 Except P, N 10 kΩ or higher
        2 - 5 P 10 kΩ or higher
        R
        N
        D
        2
        L
      3. Reconnect the park/neutral position switch connector.
        RESULT

        Result Proceed to
        Within standard range A
        Outside standard range
        4 - 5        		 C
        Outside standard range
        2 - 5        		 D

    B → See step   8 

    C → See step   9 

    D → See step   11 

    A: Go to next step 

  5. INSPECT IGNITION SWITCH 
    Fig 6: Identifying Ignition Switch Connector Terminals
    GTY161598Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the ignition switch connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      4 (AM1) - 7 (ST2) ON position 10 kΩ or higher
      5 (AM2) - 7 (ST2)
    3. Reconnect the ignition switch connector.

    NG → See step   7 

    OK → REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH - CLUTCH START SWITCH OR PNP SWITCH - ECM) 

  6. REPLACE ECM. Refer to  REMOVAL 
  7. REPLACE IGNITION SWITCH. Refer to  REMOVAL 
  8. REPLACE CLUTCH START SWITCH AND GO TO STEP 5 (for Manual Transaxle). Refer to  REMOVAL 
  9. REPLACE PARK/NEUTRAL POSITION SWITCH AND GO TO STEP 5 (for Automatic Transaxle). Refer to  REMOVAL 
  10. CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS 
  11. REPLACE PARK/NEUTRAL POSITION SWITCH (for Automatic Transaxle). Refer to  REMOVAL 
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