All Others (Output Signal Chart Step 1)
- Turn ignition switch to "LOCK" position. Remove large and small harness connector from ECU. On ECI Checker (MD998406), set check switch to "OFF" position and select switch to "A" position.
- Connect White connectors (labeled "CHECKER") of Harness Connector (MD998437) to ECI checker. Connect harness connector to ECU and body side harness connectors. See Figure and Figure . Perform checks according to appropriate ECI SYSTEM OUTPUT SIGNAL CHART-STEP 1.