Using Scan Tool
Multiplex self-diagnostic system DTCs are retrieved through Data Link Connector 3 (DLC3). DLC3 is located under left side of instrument panel. Connect scan tool to DLC3. Turn ignition on. Follow scan tool instructions to retrieve DTCs. See DIAGNOSTIC TROUBLE CODE INDEX table. If a DTC is present, perform appropriate test. See DIAGNOSTIC TESTS .
DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description |
|---|---|
| B1244 | Light Sensor Circuit Malfunction |
| B1268 | Back-Up Communication Bus Malfunction |
| B1268 | Back-Up Communication Bus Malfunction Between Body No. 2 ECU & Body No. 4 ECU |
| B2402, B2403 | Transistor Relay Overload Malfunction & Transistor Relay Overheat Malfunction |