DTC P2810: Pressure Control Solenoid "G" Electrical (Shift Solenoid Valve SL4): Procedure

WARNING: This page is about a different car, the 2013 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TRANSMISSION WIRE (SL4)

Remove the TCM from the transaxle.

Fig 1: Measuring Resistance Of Transmission Wire (SL4)
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
22 (SL4+) - 21 (SL4-)	20°C (68°F)	5.0 to 5.6 Ω
22 (SL4+) - Body ground and other terminals	Always	10 kΩ or higher
21 (SL4-) - Body ground and other terminals	Always	10 kΩ or higher

TEXT IN ILLUSTRATION

*a	Component without harness connected (Transmission Wire)

NG → See step 2

OK → See step 4

INSPECT SHIFT SOLENOID VALVE SL4

Remove shift solenoid valve SL4.

Fig 2: Inspecting Shift Solenoid Valve SL1
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
1 - 2	20°C (68°F)	5.0 to 5.6 Ω

TEXT IN ILLUSTRATION

*1	Shift Solenoid Valve SL4

Connect a battery positive (+) lead with a 21 W bulb to terminal 2 and a negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating sound.
OK

Valve moves and makes an operating sound.

NG → See step 5

OK → See step 3

REPLACE TRANSMISSION WIRE. Refer to COMPONENTS
REPLACE TCM. Refer to COMPONENTS
REPLACE SHIFT SOLENOID VALVE SL4. Refer to COMPONENTS