ZDX V6-3.7L (2010)
6. Do the function test for the malfunctioning component.
Does the output device pass the function test?
YES -
Go to step 7.
NO -
Replace the component.
7. With the malfunctioning output device connected, connect a voltmeter between the malfunctioning output device and body ground on the wire that
the control unit uses to control the output device circuit.
8. Select FUNCTIONAL. TEST from the system MODE MENU, and do the forced operation test of the malfunctioning component.
Is there a change in voltage (12 V to 0 V or 0 V to 12 V)?
YES -
Inspect the ground for the component. If OK, replace the component.
NO -
Replace the control unit that controls the malfunctioning component.
9. Select DATA LIST from the system MODE MENU, and make sure the switch signal input for the malfunctioning system indicates a change when
operated.
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.
Are the switch and the wire harness OK?
YES -
Replace the control unit that monitors the switch.
NO -
Replace the switch, or repair/replace the wire harness.
