Combination Meter System: Inspection: Switch

Illumination intensity does not change even when the illumination control switch is operated.

1. CHECK CURRENT DATA. 

   Display the data of [Bright switch input state] and [Illumination control switch input state] using Subaru Select Monitor. Refer to COMBINATION METER (DIAGNOSTICS)>DATA MONITOR .

   Do the display change as [OFF] ← [ON] and the value range from 0 to 100 when the bright switch and illumination control switch are operated?

   Yes

   Replace the combination meter assembly.

   No

   No Go to  2.

2. CHECK ILLUMINATION CONTROL SWITCH UNIT. 

   Check the illumination control switch. Refer to INSTRUMENTATION/DRIVER INFO>SWITCHES AND HARNESS>INSPECTION>ILLUMINATION CONTROL SWITCH .

   Is the switch normal?

   Yes

   Go to  3.

   No

   Replace the illumination control switch.

3. CHECK HARNESS. 
   1. Disconnect the connectors of combination meter assembly and illumination control switch.
   2. Measure the resistance between the combination meter assembly and the illumination control switch.

   Connector & terminal 

   (i10) No. 29 - (i79) No. 6:

   (i10) No. 30 - (i79) No. 5:

   (i10) No. 31 - (i79) No. 4:

   (i10) No. 32 - (i79) No. 1:

   Is the resistance less than 1 Ω?

   Yes

   Replace the combination meter assembly.

   No

   Repair or replace the harness.