System Input Test
- Access Data Link Connector (DLC). DLC is located behind lower dash panel to right of steering column on Stealth and 3000GT. Using Special Tool (MB991529), connect positive lead of voltmeter to terminal No. 9 and negative lead to terminal No. 4 or No. 5. See Fig 1
. Check if input signals from system components are being received by ECU.
- Voltmeter needle should sweep when each of the following switches is operated:
- Driver and front passenger door switches.
- Headlight switch.
- Front passenger door lock switch.
- Hood switch.
- Luggage compartment light switch.
- Front passenger door key cylinder switch.
- Trunk lid key cylinder switch.
- If switch or related components are not functioning, voltmeter will not operate when switch is activated. Replace appropriate component or repair circuit as necessary. Check following for possible cause:
- Open fuse, circuit breaker or fusible link caused by short to body ground.
- Wire connector or pin inside connector disengaged at any connector or component system.
- Defective ETACS Control Unit (ECU).
- Defective switch, relay or actuator.
- Subfreezing weather conditions, mechanical failure or corroded or misaligned assemblies.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.