6. Check Cooling Fan Speed Control Solenoid Valve Circuit

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 28 and ground. Refer to WIRING DIAGRAM .

   Continuity should not exist. 

OK or NG 

1. OK: GO TO 7.
2. NG: Repair short to ground in harness or connectors.