DTC B1501 Power Supply System Error Detection: Wiring Diagram

Combination meter system <Ref. to INSTRUMENT CLUSTER , Combination Meter System.>

Fig 1: Combination Meter System Wiring Diagram

G10270914

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK POWER SUPPLY CIRCUIT . Turn the ignition switch to ON, and confirm that the illumination of combination meter lights.	Does the illumination light?	Go to step 2 .	Go to step 3 .
2 CHECK DTC . Read the DTC of the meter using the Subaru Select Monitor.	Is DTC B1501 a current malfunction?	Go to step 3 .	Go to step 5 .
3 CHECK FUSE . Turn the ignition switch to OFF. Check the fuse.	Is the fuse OK?	Go to step 4 .	Replace the defective fuse.
4 CHECK HARNESS . Turn the ignition switch to OFF. Disconnect the meter connector. Using the tester, measure the voltage between terminals. Connector & terminal (i10) No. 20 (+) - Chassis ground (-): (i10) No. 40 (+) - Chassis ground (-):	Is the voltage 8.5 - 16.5 V?	Go to step 5 .	Repair the open circuit of harness or replace harness.
5 CHECK CONNECTOR . Turn the ignition switch to OFF. Disconnect connectors.	Is there poor contact of connector?	Repair or replace the poor contact of connector.	A temporary change of voltage occurred.