Toyota Sienna Service Manual: Circuit opening relay

EFI relay

Inspection 1. INSPECT EFI RELAY (a) Using an ohmmeter, measure the resistance according to the value(s) in the table below. Standard resistance If the result is not as specified, replace ...

Air fuel ratio sensor relay

INSPECTION 1. INSPECT AIR FUEL RATIO SENSOR RELAY  Using an ohmmeter, measure the resistance according to the value(s) in the table below. Standard resistance If the result is ...

Other materials:

Open in Curtain Shield Squib LH Circuit
DTC B1166/88 Open 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 B1166/88 is recorde ...

Random / Multiple Cylinder Misfire Detected
DESCRIPTION When the engine misfires, high concentrations of hydrocarbons (HC) enter the exhaust gas. High HC concentration levels can cause increase in exhaust emission levels. Extremely high concentrations of HC can also cause increases in the Three-Way Catalytic Converter (TWC) tem ...

Voice Recognition Difficulty
INSPECTION PROCEDURE 1 CHECK CONDITION Check if the system's voice recognition level is low by using only one particular voice. OK: System's voice recognition level is low with any voice. 2 CHECK MAP DISC Check that the map disc is not deformed or cracked. OK: No deformation ...