Toyota Sienna Service Manual: Front airbag sensor

Installation

1. INSTALL CENTER AIRBAG SENSOR ASSEMBLY  Check that the ignition switch is off.  Check that the battery negative (-) terminal is disconnected. CAUTION: After disconnecting ...

On-vehicle inspection

1. INSPECT FRONT AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT FRONT AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT D ...

Other materials:

Tire Pressure Warning Reset Switch Circuit
DESCRIPTION The ECU enters the initialization mode and performs initialization automatically, when the tire pressure warning ECU receives the signal from the tire pressure warning reset switch. If the ECU receives the signal, the tire pressure warning light blinks 3 times (1 second on, 1 seco ...

Short to B+ in Curtain Shield Squib LH Circuit
DTC B1168/86 Short to B+ in Curtain Shield Squib LH Circuit DESCRIPTION The curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1168/86 is ...

Diagnosis system
1. CHECK DLC3  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not ...