< When using a voltmeter>
Required Special Tool
- MB991529: Diagnostic Trouble Code Check Harness
- Use special tool MB991529 to connect a voltmeter between grounded terminal 4 or 5 and ETACS-ECU terminal 9 of the 16 pin data link connector.
- If input signal is sent to the data link connector, the voltmeter needle will fluctuate once.
- Disconnect special tool MB991529.
INPUT SIGNALS
| SWITCHES WHICH SEND INPUT SIGNAL | REQUIRED | |
|---|---|---|
| Ignition switch (ACC) | Turn from "LOCK" (OFF) to "ACC" | |
| Ignition switch (IG1) | Turn from "ACC" to "ON" | |
| Key reminder switch | Remove the ignition key from ignition key cylinder (from inserted position) | |
| Hazard warning light switch | Turn from OFF to ON | |
| Fog light switch | ||
| Washer fluid level switch | When actual washer fluid level gets lower than the float position of washer fluid level switch | |
| Driver's seat belt switch | Remove the seat belt tongue from the seat belt buckle with the ignition key "ON" position | |
| Driver's or passenger's door switch | Open the door | |
| Driver's or passenger's door lock key cylinder switch | Turn the key to the lock or unlock position | |
| Driver's or passenger's door lock actuator switch | Move the door lock knob from lock position to unlock position or vice versa | |
| Door lock switch (incorporated in power window main switch and power window sub switch) | Press "LOCK" or "UNLOCK" side | |
| Trunk lid latch switch | Open the trunk lid | |
| Trunk lid lock key cylinder switch | Turn the key the unlock position | |
| Speed sensor | The vehicle speed changes to 24 km/h (15 mph) or more. (over 2 seconds) | |
| Column switch | Taillight switch | Turn the lighting switch from "OFF" to "TAILLIGHT" position |
| Headlight switch | Turn the lighting switch from "TAILLIGHT" to "HEADLIGHT" position | |
| Passing light switch | Turn the dimmer/passing switch from "OFF" to "PASSING" position | |
| Dimmer switch | Turn the dimmer/passing switch from "PASSING" to "DIMMER" position | |
| Turn-signal light switch | Turn from OFF to ON | |
| Windshield mist wiper switch | ||
| Windshield intermittent wiper switch | ||
| Windshield low-speed wiper switch | ||
| Windshield high-speed wiper switch | ||
| Windshield intermittent wiper interval adjusting knob | Rotate the windshield intermittent wiper interval adjusting knob from "FAST" to "SLOW" when the ignition switch is at "ON" position (The ETACS-ECU sends a signal around the medium knob position) | |
| Windshield washer switch | Turn from OFF to ON | |
| RKE transmitter | Lock, unlock, trunk and panic switches | |
| Sunroof switch | Open/tilt up and close/tilt down switches | |
| Interior light loaded signal | Illuminate any of the interior lights. | |