Toyota Sienna Service Manual: How to proceed with troubleshooting

Check and replace ecu

NOTICE: • The connector should not be disconnected from the ECU. Perform the inspection from the backside of the connector on the wire harness side. • When no measuring condition is s ...

Operation flow

HINT: Perform troubleshooting in accordance with the procedures below. The following is an outline of basic troubleshooting procedures. Confirm the troubleshooting procedures for the circuit you a ...

Other materials:

Disposal
HINT: The tire pressure warning valve and transmitter is powered by a lithium battery. When disposing of the tire pressure warning valve and transmitter, remove the battery and dispose of it correctly. 1. DISPOSE OF TIRE PRESSURE WARNING VALVE AND TRANSMITTER (a) Use the tip of a screwdriv ...

Installation
1. INSTALL POWER POINT SOCKET ASSEMBLY  Engage the 2 claws to install the power point socket assembly. 2. INSTALL INSTRUMENT CLUSTER CENTER LOWER FINISH PANEL SUB-ASSEMBLY 3. INSTALL POSITION INDICATOR HOUSING ASSEMBLY 4. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY 5. INSTALL INSTRU ...

Manual shifting test
1. Perform manual shifting test Hint: With this test, it can be determined whether the trouble occurs in the electrical circuit or is a mechanical problem in the transaxle. If any abnormalities are found in the following test, the problem is in the transaxle itself. (A) disconnec ...