Electrical system

Intake air temperature sensor

~1min read

1. Check:

  • Intake air temperature sensor resistance Out of specification Replace
    the throttle body.

a. Connect the pocket tester ( ×
1k) to the throttle body sensor assembly coupler as shown.


  • Positive tester probe
    brown/white "1"
  • Negative tester probe
    gray/black "2"
Intake air temperature sensor

b. Measure the intake air temperature sensor resistance.

Test yourself

A quick Yamaha YZF-R125 quiz: every answer comes with an explanation and a link to the manual page.