P0620
DTC P0620Wiring Diagram:
DTC Confirmation Procedure
1. Start engine and warm up to normal operating temperature.
2. Check to make sure that the following conditions are met.
- Blower fan: OFF
- Headlight switch: OFF
- Rear defogger switch: OFF
3. Run engine at idle speed for 5 min. and check to make sure that the following conditions are met.
- Blower fan: ON
- Headlight switch: ON
- Rear defogger switch: ON
4. Run engine speed at 4,000 rpm and keep it for 30 sec.
DTC Troubleshooting