TSX L4-2.4L (2005)
Does the switch input indicate ON when the switch is ON?
YES - Replace the control unit that controls the malfunctioning component.
NO - Go to step 10.
10. Check the switch and its ground (if applicable), then check for an open or a short in the wire between the switch and the control unit that monitors
it.
Is the switch and the wire harness OK?
YES - Replace the control unit that monitors the switch.
NO - Replace the switch or repair the wire harness
