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Hybrid Transmission System: Initialization

  1. RESET MEMORY 
    NOTE:
    • If either the hybrid vehicle transmission assembly or hybrid vehicle control ECU is replaced, initialize the learned value of RESET MEMORY.
    • Wait 1 minute after disconnecting the negative battery terminal before performing RESET MEMORY.
    • The RESET MEMORY can be performed only by using the intelligent tester or Techstream.

    HINT.

    Disconnecting the negative battery terminal does not initialize (clear) the learned value.

    1. Connect the intelligent tester or Techstream to the DLC3
    2. Turn the power switch on (READY) and turn the intelligent tester or Techstream on
      NOTE: Check that the shift lever is in the P position and turn the power switch on (READY).
    3. Select the following menu items.
      1. Intelligent tester - Select: DIAGNOSIS / OBD/ MOBD / HV ECU / DATA LIST Read the data list before performing RESET MEMORY.

        Check Item (Intelligent tester) 

        INTELLIGENT TESTER SPECIFIED CONDITION CHART

        Item Specified Condition
        +B 9 to 16 V
        WOUT CTRL POWER 1000 W or more
        T/M OIL TEMP 10 to 100°C (50 to 212°F)
        NOTE:
        • Do not depress the accelerator pedal during RESET MEMORY.
        • Do not move the shift lever from the P position.
        • If the specified conditions above are not satisfied, warm up the hybrid system with the power switch on (READY) until each item meets the specified condition.
      2. Techstream - Select. Powertrain / Hybrid Control / Data List Read the data list before performing Reset Memory.

        Check Item (Techstream) 

        TECHSTREAM SPECIFIED CONDITION CHART

        Item Specified Condition
        +B 9 to 16 V
        WOUT Control Power 1000 W or more
        T/M Oil Temperature 10 to 100°C (50 to 212°F)
        NOTE:
        • Do not depress the accelerator pedal during Reset Memory.
        • Do not move the shift lever from the P position.
        • If the specified conditions above are not satisfied, warm up the hybrid system with the power switch on (READY) until each item meets the specified condition.
    4. Select the following menu items.
      1. Intelligent tester - Select. DIAGNOSIS / OBD/ MOBD / HV ECU / TRANSMISSION / RESET MEMORY.
        CAUTION: After performing RESET MEMORY, be sure to perform a road test (See INITIALIZATION  ) described earlier.
        NOTE: During RESET MEMORY, do not turn off either the power switch or the intelligent tester.

        HINT:

        • Approximately 1 minute is required to complete RESET MEMORY.
        • The ECU is learned by performing a road test
      2. Techstream - Select: Powertrain / Hybrid Control / Reset Memory.
        CAUTION: After performing Reset Memory, be sure to perform a road test (See INITIALIZATION  ) described earlier.
        NOTE: During Reset Memory, do not turn off either the power switch or the Techstream.

        HINT:

        • Approximately 1 minute is required to complete Reset Memory.
        • The ECU is learned by performing a road test.
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