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

WARNING: This page is about a different car, the 2011 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TRANSMISSION WIRE (S4)

Disconnect the transmission wire connector from the transaxle.

Fig 1: Inspecting Transmission Wire B31 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard resistance

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

NG → See step 3

OK: Go to next step

CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)

Connect the transmission wire connector to the transaxle.

Fig 2: Checking ECM B29 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the connector from the ECM.

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

INSPECT SHIFT SOLENOID VALVE S4

Remove the shift solenoid valve S4.

Fig 3: Inspecting Shift Solenoid Valve (S4)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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

REPAIR OR REPLACE TRANSMISSION WIRE. Refer to REMOVAL
REPLACE ECM. Refer to REMOVAL
REPLACE SHIFT SOLENOID VALVE S4. Refer to DISASSEMBLY