Toyota Sienna Service Manual: Horn system

Horn

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Horn relay

INSPECTION 1. INSPECT HORN RELAY  Remove the horn relay from the instrument panel J/ B.  Measure the horn relay continuity. Standard ...

Other materials:

Camshaft Position "B" Actuator Circuit
DESCRIPTION The Variable Valve Timing (VVT) system includes the ECM, OCV and VVT controller. The ECM sends a target duty-cycle control signal to the OCV. This control signal regulates the oil pressure supplied to the VVT controller. Camshaft timing control is performed according to engine ...

Short to GND in Curtain Shield Squib RH Circuit
DTC B1162/81 Short to GND in Curtain Shield Squib RH Circuit DESCRIPTION The curtain shield squib RH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly RH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1162/81 is ...

On-vehicle inspection
1. FRONT SEAT SIDE AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check.  With the front seat side airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front seatback ass ...