Subaru Crosstrek Service Manual: Inspection

1. CHECK TURN SIGNAL SWITCH

Refer to the “INSPECTION” of the “Combination Switch (Light)”. Combination Switch (Light) > INSPECTION">

2. CHECK HAZARD SWITCH

Refer to the “INSPECTION” of the “Hazard Switch”. Hazard Switch > INSPECTION">

3. CHECK TURN SIGNAL & HAZARD UNIT

Refer to “INSPECTION” of the “Turn Signal Light & Hazard Light Unit”. Turn Signal Light & Hazard Light Unit > INSPECTION">

4. CHECK ONE-TOUCH TURN SIGNAL SYSTEM

Trouble symptom:

The lane change signal function of the turn signal indicator does not operate.

1.CHECK CUSTOMIZATION.

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 “Support” and “ON”?

Turn Signal Light and Hazard Light System > INSPECTION">Go to Step 2.

Change the setting to “Support” and “ON”.

2.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 change to OFF ←> ON, when the combination switch is operated?

Replace the body integrated unit. Body Integrated Unit">

Turn Signal Light and Hazard Light System > INSPECTION">Go to Step 3.

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 ??

Turn Signal Light and Hazard Light System > INSPECTION">Go to Step 4.

Repair or replace the harness.

4.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:

Check with the combination switch in the OFF position.

Is the resistance 1 M? or more?

Turn Signal Light and Hazard Light System > INSPECTION">Go to Step 5.

Repair or replace the harness.

5.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 ??

Replace the body integrated unit. Body Integrated Unit">

Repair or replace the harness.

Turn signal light and hazard light system

Wiring diagram

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