Question about 2007 Toyota Corolla

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P0977 - 2007 Toyota Corolla

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1 Answer

Jeremy Moore

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Shift Solenoid B Control Circuit High

Areas to check:

  • Short in shift solenoid valve No. 2 circuit
  • Shift solenoid valve No. 2
  • ECM

  • Check the shift solenoid valve No. 2 when DTC P0976 and P0977 is output.
  • Check harness and connector between ECM and shift solenoid valve No. 1 or No. 2.
To check the Shift Solenoid Valve No. 2:
  1. Jack up the vehicle.
  2. Remove the oil pan.
  3. Remove the shift solenoid valve No. 1 or No. 2.
CHECK:
  1. Measure the resistance between the solenoid connector terminal and the body ground. Standard: 11 - 15 W at 20°C (68°F)
  2. Connect the battery positive lead to the solenoid connector terminal and the battery negative lead to the solenoid body ground. Standard: Solenoid operation noise is produced. If not, Replace solenoid valve. If the Solenoid operation noise is produced, Check and replace the ECM.


I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

Posted on Mar 03, 2011

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