2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) P Code Charts Page 2151

Standard Resistance:

Result:

B -- REPLACE TCM See: Powertrain Management/Transmission Control Systems/Relays and Modules - Transmission and

Drivetrain/Relays and Modules - A/T/Control Module/Service and Repair/U660F Automatic Transaxle/Removal

A -- Continue to next step.

2. INSPECT SHIFT SOLENOID VALVE SL2

(a) Remove shift solenoid valve SL2.

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

Standard Resistance:

Text in Illustration

(c) 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 -- REPLACE SHIFT SOLENOID VALVE SL2 See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Valve

Body/Service and Repair/Removal and Replacement/U660F Automatic Transaxle/Removal

OK -- REPAIR OR REPLACE TRANSMISSION WIRE See: Transmission and Drivetrain/Automatic

Transmission/Transaxle/Wiring Harness/Service and Repair/U660F Automatic Transaxle/Removal

From 08/2009

U660F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSAXLE SYSTEM: P0778: Pressure Control Solenoid "B"

Electrical (Shift Solenoid Valve SL2)