X41 - Check Ground Circuit to Cooling Fan
- Key Off.
- Cooling fan disconnected.
- Disconnect Scan Tool from DLC.
- Measure resistance between the ground circuit pin at the cooling fan vehicle harness connector and the battery negative post.
- Is resistance less than 5.0 ohms?
YES -- REPLACE cooling fan. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes
NO -- SERVICE open ground circuit to cooling fan. RECONNECT cooling fan. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes