DTC P0982: Shift Solenoid "D" Control Circuit Low (Shift Solenoid Valve S4); DTC P0983: Shift Solenoid "D" Control Circuit High (Shift Solenoid Valve S4): Procedure

1. Disconnect the transmission wire connector from the transaxle.
   Fig 1: Inspecting B17 Transmission Wire Connector Terminals

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2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   8 - Body ground	20°C (68°F)	11 to 15 Ω

NG → See step   3 

OK: Go to next step 

1. Connect the transmission wire connector to the transaxle.
   Fig 2: Checking B29 ECM Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the connector from the ECM.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   B29-78 (S4) - Body ground	20°C (68°F)	11 to 15 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5 

1. Remove the shift solenoid valve S4.
   Fig 3: Inspecting Shift Solenoid Valve S4

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   Solenoid Connector (S4) - Solenoid Body (S4)	20°C (68°F)	11 to 15 Ω

3. Connect the positive (+) lead to the terminal of the solenoid connector, and the negative (-) lead to the solenoid body.

   OK

   The solenoid makes an operating sound.

NG → See step   6 

OK → See step   4