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:

Trailer Tongue Weight
A recommended tongue weight varies in accordance with the types of trailers or towing as described below. To ensure the recommended values shown below, the trailer must be loaded by referring to the following instructions. Tongue Weight The gross trailer weight should be distribute ...

Engine Coolant Temperature / Intake Air Temperature Correlation
DTC P011B Engine Coolant Temperature / Intake Air Temperature Correlation DESCRIPTION The ECM calculates the difference between the readings of the coolant temperature sensor and intake air temperature sensor. If the difference is greater than 20C (68F), the ECM will judge this as a malfunct ...

Reassembly
1. INSTALL DIFFERENTIAL CASE SUB-ASSEMBLY NO.2 (a) Coat the front differential side gear thrust washer No.1, front differential planetary ring gear, front differential pinion No.2, front differential pinion thrust washer No.2, front differential pinion shaft holder, front differential pinio ...