Engine

Air fuel ratio sensor relay

~1min read

INSPECTION

1. INSPECT AIR FUEL RATIO SENSOR RELAY

 INSPECT AIR FUEL RATIO SENSOR 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 the relay.

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.