Toyota Sienna Service Manual: Parts location

Precaution

1. TIRE PRESSURE WARNING SYSTEM PRECAUTION (a) When the tire pressure warning light comes on, immediately check the tire pressure of the tire and adjust it to the specified value. (The tire pre ...

System description

1. DESCRIPTION OF SYSTEM (a) A tire pressure warning valve and transmitter is equipped with a tire pressure sensor and a transmitter and is installed in a tire wheel assembly. The sensor measure ...

Other materials:

SM Solenoid Circuit
DTC C1225/25 SM Solenoid Circuit DESCRIPTION This solenoid turns on when receiving signals the ECU and controls the pressure acting on the wheel cylinders to control the braking force. WIRING DIAGRAM Refer to DTCs C0226/21, C0236/22, C0246/23 and C0256/24 (See page BC-105). INSPECTION PR ...

Open in Driver Side Squib 2nd Step Circuit
DTC B1181/18 Open in Driver Side Squib 2nd Step Circuit DESCRIPTION The driver side squib 2nd step circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1181/18 is reco ...

Diagnostic trouble code chart
1. DTCS FOR AIRBAG SYSTEM If a malfunction code is displayed during the DTC check, check the circuit listed for the code in the table below (Proceed to the page listed for that circuit). HINT:  When the SRS warning light remains on and the DTC output is the normal system code, a volta ...