Toyota Sienna Service Manual: Problem symptoms table

Registration

1. DESCRIPTION OF CODE REGISTRATION HINT: The key has 2 codes: The key code (immobiliser code) and the wireless code. Both of these codes need to be registered. Refer to page for the wireless code ...

Terminals of ECU

1. CHECK TRANSPONDER KEY AMPLIFIER Disconnect the I14 amplifier connector and measure the resistance between the terminal of the wire harness side connector and body ground. If the ...

Other materials:

Rear Occupant Classification Sensor RH Collision Detection
DTC B1788 Rear Occupant Classification Sensor RH Collision Detection DESCRIPTION DTC B1788 is output when the occupant classification ECU receives a collision detection signal sent by the rear occupant classification sensor RH if an accident occurs. DTC B1788 is also output when the front s ...

DTC check / clear
HINT: If the system cannot enter the diagnostic mode, inspect all AVC-LAN communication signals and repair or replace problem parts. 1. STARTING DIAGNOSTIC MODE  Turn the ignition switch to the ACC position.  Turn off the audio system.  While pressing the preset switche ...

Diagnosis system
1. CHECK BATTERY VOLTAGE Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge the battery before proceeding. 2. CHECK DLC3 (a) The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 f ...