Toyota Sienna Service Manual: Removal
1. DRAIN POWER STEERING FLUID
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER APRON SEAL RH (See page EM-26)
4. REMOVE FAN AND GENERATOR V BELT (See page EM-6)
5. DISCONNECT NO. 1 FLUID RESERVOIR TO PUMP HOSE
(a) Slide the clip and disconnect the No. 1 fluid reservoir to pump hose from the vane pump assembly.
6. DISCONNECT PRESSURE FEED TUBE ASSEMBLY
(a) Remove the union bolt and disconnect the pressure feed tube assembly from the vane pump assembly.
(b) Remove the gasket from the pressure feed tube assembly.
7. DISCONNECT POWER STEERING FLUID PRESSURE SWITCH CONNECTOR
(a) Disconnect the power steering fluid pressure switch connector.
8. REMOVE VANE PUMP ASSEMBLY
(a) Using SST, loosen bolt (A) and remove bolt (B), and then remove the vane pump assembly.
SST 09249-63010
(b) Remove the bolt from the vane pump assembly.
Vane pump
COMPONENTS
...
Disassembly
1. HOLD VANE PUMP ASSEMBLY
(a) Using SST, hold the vane pump assembly in a vise.
SST 09630-00014 (09631-00132)
2. REMOVE POWER STEERING SUCTION PORT UNION
(a) Remove the bolt and the pow ...
Other materials:
Diagnosis Circuit
DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3.
DTCs are displayed by blinking the SRS warning light.
HINT:
When each warning light stays blinking, a ground short in the
wiring of terminal TC of the DLC3 or an
internal ground short in each ECU is ...
Inspection
1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY
LO Operation Check
Connect the battery (+) to the terminal 1 (+1) of
the connector, the battery (-) to the terminal 5
(E) of the connector, and check that the motor
operates at low speed (LO).
HI Operation Check
...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK AND CLEAR DTCs
Refer to the diagnostic check/clear
4 PROBLEM SYMPTOM CONFIRMATION
5 SYMPTOM SIMULATION
6 CHECK DTC
7 CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM
Refer to the navigation system
8 PROBLE ...
