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:

Removal
1. Remove no. 2 Air cleaner inlet (see page em- 28) 2. Remove air cleaner cap sub-assembly (a) Disconnect the 3 vacuum hoses. (b) Loosen the bolt, disconnect the 2 connectors, and remove the 2 vacuum hoses. (c) Remove the 2 bolts, air cleaner cap sub-assembly, and air cleaner filt ...

Removal
1. REMOVE FRONT WHEELS 2. REMOVE FRONT STABILIZER LINK ASSEMBLY LH (a) Remove the 2 nuts and front stabilizer link assembly LH. HINT: If the ball joint turns together with the nut, use a hexagon (6 mm) wrench to hold the stud. 3. REMOVE FRONT STABILIZER LINK ASSEMBLY RH HINT: Remove the ...

Throttle / Pedal Position Sensor
HINT: These DTCs relate to the Accelerator Pedal Position (APP) sensor. DESCRIPTION HINT: This ETCS (Electronic Throttle Control System) does not use a throttle cable. The Accelerator Pedal Position (APP) sensor is integrated with the accelerator pedal bracket and has 2 sensor circuits ...