Check One-Touch Turn Signal System

CHECK POWER SUPPLY.
Display the data of [Lane change signal setting] and [One-touch Turn Signal System Setup] using Subaru Select Monitor.

NOTE: For detailed operation procedures, refer to "Application help".

Is the setting in the [Exist] and [ON]?
- Yes : Go to 2.
- No : Change the setting to [Exist] and [ON].
CHECK CURRENT DATA.
1. Turn the ignition switch to ON.
2. Display the data of [Left turn signal input] and [Right turn signal input] using Subaru Select Monitor.
Does the display switch between [OFF] [ON], when the combination switch is operated?
- Yes : Replace the body integrated unit. Ref. to SECURITY AND LOCKS>Body Integrated Unit .
- No : Go to 3.
CHECK HARNESS.
1. Turn the ignition switch to OFF.
2. Disconnect the connectors of the body integrated unit and turn signal & hazard unit.
3. Check the harness between body integrated unit and turn signal & hazard unit.
Connector & terminal

(B281) No. 21 - (B32) No. 5:

(B281) No. 9 - (B32) No. 6:

Is the resistance less than 1 Ω?
- Yes : Go to 4.
- No : Repair or replace the harness.
CHECK HARNESS.
Measure the resistance between the body integrated unit connector and chassis ground.

Connector & terminal

(B281) No. 21 - Chassis ground:

(B281) No. 9 - Chassis ground:

NOTE: Check with the combination switch in the OFF position.

Is the resistance 1 MΩ or more?
- Yes : Go to 5.
- No : Repair or replace the harness.
CHECK HARNESS.
1. Disconnect the connector of the combination switch.
2. Measure the resistance between the combination switch connector and chassis ground.
  Connector & terminal
  
  (B71) No. 12 - Chassis ground:
  
  Is the resistance less than 1 Ω?
  - Yes : Replace the body integrated unit. Ref. to SECURITY AND LOCKS>Body Integrated Unit .
  - No : Repair or replace the harness.