DTC U1311 Can-LS Meter Unit Data Abnormal: Wiring Diagram

WARNING: This page is about a different car, the 2008 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: CAN-LS Meter Unit Data Abnormal - Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK DTC. Read the DTC of body integrated unit using Subaru Select Monitor.	Is DTC U1301 or U1302 displayed?	Perform the diagnosis according to DTC.	Go to step 2.
2 CHECK DTC. Read the DTC of body integrated unit using Subaru Select Monitor.	Is U1311 a current malfunction?	Go to step 3.	Go to step 4.
3 CHECK DTC. Turn the ignition switch to OFF. Disconnect the combination meter connector (i10). Read the DTC of body integrated unit using Subaru Select Monitor.	Is U1311 a current malfunction?	Replace the combination meter. <Ref. to REMOVAL , Combination Meter . >	Go to step 4.
4 CHECK HARNESS. Shake the harness used for low speed CAN communication circuit. Read the DTC of body integrated unit using Subaru Select Monitor.	Is U1311 a current malfunction?	Repair or replace the harness.	Go to step 5.
5 CHECK CONNECTOR. Turn the ignition switch to OFF. Disconnect all connectors (i84, i10, i88, i85 or i50) that are connected to low speed CAN communication line.	Is there poor contact in connector terminal?	Repair the connector terminal, or replace harness.	Temporary communication error occurs.