Toyota Sienna Service Manual: Heated oxygen sensor (for 4wd)

Inspection

1. INSPECT HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (a) Measure the resistance of the sensor. Standard resistance If the resistance is not as specified, replace the sensor. 2. INSPECT HE ...

Removal

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (a) Disconnect the sensor connector under the center console. (b) Using SST, remove the ...

Other materials:

Removal
HINT: Remove the RH side by the same procedure as the LH side. 1. REMOVE FRONT WHEEL 2. DRAIN BRAKE FLUID NOTICE: Wash the brake fluid off immediately if it attaches to any painted surface. 3. REMOVE FRONT DISC BRAKE CYLINDER SUBASSEMBLY (a) Remove the union bolt and 2 gaskets from the f ...

Engine rear oil seal
Components Removal 1. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY (for 2WD) HINT: See page AX-163. 2. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY (for 4WD) HINT: See page AX-167. 3. REMOVE DRIVE PLATE AND RING GEAR SUBASSEMBLY (a) Using SST, hold the crankshaft. SST 09213-70011 (09213-70020), ...

Precaution
1. INITIALIZATION NOTICE: Perform RESET MEMORY (AT initialization) when replacing the automatic transaxle assembly, engine assembly or ECM (See page AX-16). Perform REGISTRATION (VIN registration) when replacing the ECM (See page ES-15). HINT: Initializatio ...