Theft Alarm System

Checking The Input Using The Scan Tool:

When Using The Scan Tool (MUT-II)
1. Connect the scan tool to the data link connector. When connecting the scan tool, use the adapter harness supplied together.

CAUTION: Turn off the ignition switch beforehand whenever the scan tool is connected or disconnected.

Checking The Input Using A Voltmeter:

When Using A Voltmeter:

When Using The Voltmeter
1. Connect a voltmeter to the ETACS terminal and the ground terminal of the data link connector using the special tool
2. Make sure that when the following switches are turned on, the output shown in the illustration is delivered. (Only those switches which are related to the theft-alarm system are listed here.)
- Driver and front passenger door switches
- Headlight switch
- Driver and front passenger door lock switches
- Passing light switch
- Pop-up switch
- Hood switch
- Liftgate switch
- Door key cylinder switch
- Liftgate switch
If there is no output of a voltage pattern at all, check for a malfunction of that switch or for damaged or disconnected wiring.