WIRING DIAGRAM
< Ref. to EYESIGHT SYSTEM . >
EyeSight System < Ref. to WIRING DIAGRAM , EyeSight System. >
Scheme 3
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK IGNITION SWITCH. | Is the ignition switch ON? | Go to step 2 . | Turn the ignition switch to ON, and select {ADA adaptive cruise control system} using the Subaru Select Monitor. |
| 2 CHECK BATTERY. Turn the ignition switch to OFF. Measure the battery voltage. | Is the voltage 10 V or more? | Go to step 3 . | Charge or replace the battery. |
| 3 CHECK BATTERY TERMINAL. | Is the battery terminal contact proper? | Go to step 4 . | Connect the battery terminal securely or replace it. |
| 4 CHECK SUBARU SELECT MONITOR COMMUNICATION. Turn the ignition switch to ON. Using the Subaru Select Monitor, check whether the communication can be executed normally. | Is the communication between Subaru Select Monitor and body integrated unit normal? | Go to step 5 . | Check the connection of the Subaru Select Monitor, and perform communication with the body integrated unit again. |
| 5 READ DTC OF BODY INTEGRATED UNIT. Select {Integ. unit mode}, and check DTC. | Is any DTC other than "Lost Communication With EyeSight" detected? | Perform the diagnosis according to DTC. | Go to step 6 . |
| 6 CHECK HARNESS CONNECTOR BETWEEN STEREO CAMERA AND DATA LINK CONNECTOR. Turn the ignition switch to OFF. Disconnect the stereo camera connector. Measure the resistance between the stereo camera and the data link connector. Connector & terminal (R137) No. 10 - (B40) No. 6: (R137) No. 9 - (B40) No. 14 | Is the resistance less than 10 ohms? | Go to step 7 . | Repair or replace the harness and connectors between the stereo camera and data link connector. |
| 7 CHECK POWER SUPPLY CIRCUIT. Turn the ignition switch to ON. Measure the voltage between stereo camera and chassis ground. Connector & terminal (R137) No. 6 (+) - Chassis ground (-) | Is the voltage 10 V or more? | Go to step 8 . | Check the power supply circuit. |
| 8 CHECK GROUND CIRCUIT. Turn the ignition switch to OFF, then disconnect the ground cable from battery. Measure the resistance between harness connector of stereo camera and chassis ground. Connector & terminal (R137) No. 7 - Chassis ground: (R137) No. 15 - Chassis ground | Is the resistance less than 10 ohms? | Go to step 9 . | Check the harness from stereo camera to chassis ground. |
| 9 CHECK CONNECTOR. | Is there poor contact of stereo camera connector? | Repair the connector, or replace harness. | Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. > |
EyeSight System < Ref. to WIRING DIAGRAM , EyeSight System. >
Scheme 4
Scheme 5
- Non-turbo model
- Turbo model
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK CRUISE CONTROL COMMAND SWITCH CIRCUIT. Remove the driver's airbag module. < Ref. to REMOVAL , Driver's Airbag Module. > Disconnect the harness connector of cruise control command switch. Turn the ignition switch to ON. Measure the voltage between harness connector terminal and chassis ground. Connector & terminal (ST3) No. 4 (+) - Chassis ground (-): (ST3) No. 3 (+) - Chassis ground (-) | Is the voltage 5 V or more? | Go to step 2 . | Check the harness between cruise control command switch and ECM, and the steering roll connector for open or short circuit, or for poor contact. |
| 2 CHECK CRUISE CONTROL COMMAND SWITCH CIRCUIT. Turn the ignition switch to OFF. Remove the cruise control command switch. < Ref. to REMOVAL , Cruise Control Command Switch. > Measure the resistance between harness connector terminal and chassis ground. Connector & terminal (ST3) No. 9 - Chassis ground | Is the resistance less than 10 ohms? | Go to step 3 . | Check for open circuit between cruise control command switch and chassis ground. |
| 3 CHECK CRUISE CONTROL COMMAND SWITCH. Check the cruise control command switch. | Is the cruise control command switch normal? | Replace the ECM. < Ref. to REMOVAL , Engine Control Module (ECM). > | Replace the cruise control command switch. |
EyeSight System < Ref. to WIRING DIAGRAM , EyeSight System. >
Scheme 6
Scheme 7
- Non-turbo model
- Turbo model
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK BRAKE SWITCH SIGNAL (ECM). Turn the ignition switch to ON. Confirm the current data of stereo camera using Subaru Select Monitor. Display the data of brake switch to check it. | Is ON <----> OFF displayed on the display when the brake pedal is depressed or released? | Go to step 2 . | Go to step 3 . |
| 2 CHECK BRAKE SWITCH SIGNAL (BODY INTEGRATED UNIT). Turn the ignition switch to ON. Connect the Subaru Select Monitor. Select {Integ. unit mode} from main menu. Select {Current Data Display & Save}, check the brake switch output. | Is ON <----> OFF displayed on the display when the brake pedal is depressed or released? | Go to step 6 . | Go to step 3 . |
| 3 CHECK STOP LIGHT & BRAKE SWITCH. Check the stop light & brake switch. < Ref. to INSPECTION , Stop Light Switch. > | Is the stop light & brake switch OK? | Go to step 4 . | Replace the stop light & brake switch. < Ref. to REMOVAL , Stop Light Switch. > |
| 4 CHECK BRAKE SWITCH CIRCUIT (BATTERY POWER SUPPLY CIRCUIT). Turn the ignition switch to OFF. Disconnect the harness connector from stop light & brake switch. Turn the ignition switch to ON. Measure the voltage between stop light & brake switch harness connector terminal and chassis ground. Connector & terminal (B65) No. 1 (+) - Chassis ground (-): (B65) No. 3 (+) - Chassis ground (-) | Is the voltage approx. 10 V or more? | Go to step 5 . | Check the power supply system circuit, and if any fault is found, repair or replace the defective parts. |
| 5 CHECK BRAKE SWITCH CIRCUIT. Turn the ignition switch to OFF. Disconnect the ECM connector. Measure the resistance between ECM harness connector terminal and stop light & brake switch. Connector & terminal Non-turbo model (B137) No. 3 - (B65) No. 4: (B137) No. 7 - (B65) No. 2: Turbo model (E158) No. 8 - (B65) No. 4: (B134) No. 43 - (B65) No. 2 | Is the resistance less than 10 ohms? | Go to step 6 . | Repair or replace the harness. |
| 6 CHECK STEREO CAMERA. Connect all connectors. Turn the ignition switch to ON. Connect the Subaru Select Monitor. Read the DTC. | Is another DTC (other than DTC B2813) displayed? | Perform the diagnosis according to DTC. | Go to step 7 . |
| 7 CHECK CONNECTOR. Check the connectors of stop light & brake switch, ECM and stereo camera. | Is the connector normal? | Go to step 8 . | Repair or replace the connector. |
| 8 CHECK LAN SYSTEM. Perform the diagnosis for LAN system. < Ref. to BASIC DIAGNOSTIC PROCEDURE . > | Is a DTC of the LAN system detected? | Perform the diagnosis according to DTC for LAN system. | Go to step 9 . |
| 9 CHECK STEREO CAMERA. Clear the memory. Read the DTC. | Is the same DTC (DTC B2813) displayed? | Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. > | Temporary poor contact occurs. |
DTC PROCEDURE
EyeSight System < Ref. to WIRING DIAGRAM , EyeSight System. >
Scheme 8
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK GENERATOR. Start the engine and idle for a while. Measure the voltage between generator terminal B and chassis ground. Connector & terminal Generator terminal B (+) - Chassis ground (-) | Is the voltage 10 V or more? | Go to step 2 . | Check the generator. |
| 2 CHECK BATTERY TERMINAL. Turn the ignition switch to OFF. | Is the battery terminal connected securely? | Go to step 3 . | Tighten the battery terminal securely. |
| 3 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 4 . | Replace the faulty fuse. If the newly replaced fuse is blown instantly, check the short circuit in harness. |
| 4 CHECK HARNESS (POWER SUPPLY CIRCUIT). Disconnect the stereo camera. Turn the ignition switch to ON. Measure the voltage between harness connector of stereo camera and chassis ground. Connector & terminal (R137) No. 6 (+) - Chassis ground (-): (R137) No. 16 (+) - Chassis ground (-) | Is the voltage 10 V or more? | Go to step 5 . | Check the power supply system circuit, and if any fault is found, repair the defective parts or replace the harness. |
| 5 CHECK HARNESS (GROUND CIRCUIT). Turn the ignition switch to OFF. Disconnect the ground cable from battery. Measure the resistance between stereo camera and chassis ground. Connector & terminal (R137) No. 7 - Chassis ground: (R137) No. 15 - Chassis ground | Is the resistance less than 10 ohms? | Go to step 6 . | Check the ground system circuit, and if any fault is found, repair the defective parts or replace the harness. |
| 6 CHECK POOR CONTACT OF CONNECTORS. Check stereo camera connector. | Is there poor contact of the connector? | Repair the connector. | Go to step 7 . |
| 7 CHECK STEREO CAMERA. Connect all connectors and battery terminals securely. Start the engine, drive the vehicle at 40 km/h (24.9 MPH) or more, stop the vehicle and then stop the engine. After 3 seconds or more have elapsed, restart the engine. Clear the memory. Read the DTC. | Is the same DTC (DTC B2814 or B2815) displayed? | Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. > | Temporary poor contact occurs. |
DTC PROCEDURE
EyeSight System < Ref. to WIRING DIAGRAM , EyeSight System. >
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK RELATED CONTROL MODULE. Check the part number of the ECM, TCM, VDC Control Module and combination meter. | Is each Control Module a genuine part? | Go to step 2 . | Replace the non-genuine Control Module with a genuine one. |
| 2 CHECK STEREO CAMERA. Remove the camera cover. Check the part number of the stereo camera. | Is the stereo camera genuine? | Go to step 3 . | Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. > |
| 3 CHECK LAN SYSTEM. Perform the diagnosis for LAN system. < Ref. to BASIC DIAGNOSTIC PROCEDURE . > | Is DTC displayed? | Perform the diagnosis according to DTC. | Go to step 4 . |
| 4 CHECK MODEL REGISTRATION INFORMATION. Check the model registration information from the current data of stereo camera. | Does vehicle and data correspond? | Perform the adjustment or inspection of the camera. < Ref. to CAMERA ADJUSTMENT, INSPECTION . > | Go to step 5 . |
| 5 CHECK FUSE. Check the fuse. | Is the fuse OK? | Go to step 6 . | Replace the faulty fuse. If the newly replaced fuse is blown instantly, check the short circuit in harness. |
| 6 CHECK HARNESS (POWER SUPPLY CIRCUIT). Disconnect the stereo camera. Turn the ignition switch to ON. Measure the voltage between harness connector of stereo camera and chassis ground. Connector & terminal (R137) No. 6 (+) - Chassis ground (-): (R137) No. 16 (+) - Chassis ground (-) | Is the voltage 10 V or more? | Go to step 7 . | Check the power supply system circuit, and if any fault is found, repair the defective parts or replace the harness. |
| 7 CHECK HARNESS (GROUND CIRCUIT). Turn the ignition switch to OFF. Disconnect the ground cable from battery. Measure the resistance between stereo camera and chassis ground. Connector & terminal (R137) No. 7 - Chassis ground: (R137) No. 15 - Chassis ground | Is the resistance less than 10 ohms? | Go to step 8 . | Check the ground system circuit, and if any fault is found, repair the defective parts or replace the harness. |
| 8 CHECK POOR CONTACT OF CONNECTORS. Check stereo camera connector. | Is there poor contact of the connector? | Repair the connector. | Go to step 9 . |
| 9 CHECK STEREO CAMERA. Connect all connectors and battery terminals securely. Clear the memory. Read the DTC. | Is the same DTC (DTC B28A0) displayed? | Replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. > | Temporary poor contact occurs. |
DTC PROCEDURE
EyeSight System < Ref. to WIRING DIAGRAM , EyeSight System. >
Scheme 9
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK SWITCH. Turn the ignition switch to OFF. Disconnect the stereo camera connector. Using the tester, measure the resistance between terminals. Connector & terminal (R137) No. 12 - Chassis ground: (R137) No. 13 - Chassis ground | Is the resistance 10 ohms or less? | Go to step 2 . | If the code is still detected after restoring, replace the stereo camera. < Ref. to REMOVAL , Stereo Camera. > |
| 2 CHECK HARNESS. Disconnect the switch connector for the stereo camera cover. Using the tester, measure the resistance between terminals. Connector & terminal (R137) No. 12 - Chassis ground: (R137) No. 13 - Chassis ground | Is the resistance 10 ohms or less? | Repair or replace the harness. | Go to step 3 . |
| 3 CHECK SWITCH. Using the tester, measure the resistance of the switch. Connector & terminal (R135) No. 3 - No. 5: (R135) No. 4 - No. 5 | Does the resistance change when the switch is operated? | Repair or replace the harness. | Replace the switch. |
DTC PROCEDURE