Toyota Sienna Service Manual: Tire pressure warning ecu

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 corre ...

Removal

NOTICE: Before removing the tire pressure warning ECU, read the registered transmitter IDs of all wheels and write them down to use for re-registration of transmitter IDs (See page TW-20). 1. DIS ...

Other materials:

Bluetooth
When using the Bluetooth® audio system In the following conditions, the system may not function. If the portable audio player is turned off If the portable audio player is not connected If the portable audio player’s battery is low There may be a delay if a cellular phone conn ...

Speaker Circuit
DESCRIPTION The sound signal that has been amplified by the stereo component amplifier is sent to the speakers from the stereo component amplifier through this circuit. If there is a short in this circuit, the stereo component amplifier detects it and stops output to the speakers. Thus s ...

Fuel Pump Primary Circuit
DESCRIPTION This DTC is designed to detect a malfunction in the fuel pump (FUEL PUMP) relay circuit. When the system is normal, the battery voltage is applied to FPR terminal of the ECM while the FUEL PUMP relay is turned OFF. If the battery voltage is not applied to the FPR ter ...