Toyota Sienna Service Manual: Problem symptoms table

Customize parameters

1. Seat Belt Buzzer ON/OFF Setting The seat belt buzzer ON/OFF setting, which is a setting of the buzzer function of the combination meter, can disable the driver side seat belt buzzer and front p ...

Terminals of ECU

1. COMBINATION METER ASSEMBLY *1: with Power Rear No. 2 Seat with Stowing Function *2: with Theft Deterrent System  Waveform 1 (Reference) : Using an oscilloscope: OK ...

Other materials:

Disassembly
1. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY (a) Align the matchmarks on the steering intermediate shaft assembly and main shaft. (b) Remove the bolt and steering intermediate shaft assembly. 2. REMOVE KEY CYLINDER LIGHT ASSEMBLY (w/o Engine Immobiliser System) 3. REMOVE TRANSPONDER K ...

Brake Warning Light Remains ON
DESCRIPTION If the ECU detects a trouble, it turns on the brake warning light at the same time of prohibiting ABS control. At this time, the ECU records a DTC in memory. Connect terminals TC and CG of the DLC3 to make the brake warning light blink and output the DTC. WIRING DIAGRAM ...

On-vehicle inspection
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. With the curtain shield airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front pillar garn ...