With Manufacturer's Scan Tool
DTC CheckUsing SUZUKI Scan Tool
1. Turn ignition switch to OFF position.
2. Connect SUZUKI scan tool to data link connector (DLC) located on underside of instrument panel.
Special Tool
(A): SUZUKI scan tool
3. Light over sunload sensor vertically with an incandescent lamp of approximately 100 W.
NOTE:
- The distance between the sensor and lamp should be approximately 100 mm (3.94 in.).
- DTC B1504 is detected even if sensor is normal if sunload sensor is not lighted over with an incandescent lamp.
4. Turn ignition switch to ON position.
5. Read DTC according to instructions displayed on SUZUKI scan tool and print it or write it down. Refer to SUZUKI scan tool operator's manual for further details.
If communication between scan tool and ECM (PCM) is not possible, check if scan tool is communicable by connecting it to ECM (PCM) in another vehicle. If communication is possible in this case, scan tool is good condition. Then check data link connector and serial data line (circuit) in the vehicle with which communication was not possible.
6. After completing the check, turn ignition switch OFF position and disconnect SUZUKI scan tool from data link connector (DLC).