P0620

DTC P0620

DTC Detecting Condition and Trouble Area

Wiring Diagram

Wiring Diagram:

DTC Confirmation Procedure
1. Warm up engine to normal operating temperature.
2. Check 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

Step 1-4: