2006 DODGE RAM SRT-10 Service Repair Manual

Page 665 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 6.ECM
Reconnect the ECM harness connectors.
Measure the resistance of the fan clutch (K160) driver circuit between
the fan clutch connector and battery negative.
Is the resistance greater than 100k Oh

Page 666 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual P0483-FAN SPEED
For a complete wiring diagramRefer to Section 8W.

Page 667 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual When Monitored:
While the engine is running.
Set Condition:
The actual fan speed is less than 50 RPM or more than 6000 RPM.
Possible Causes
OTHER DTC’S
(K161) SIGNAL CIRCUIT SHORT TO (K668) 5-VOLT S

Page 668 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 3.FAN CLUTCH ASSEMBLEY SHORTED TO GROUND
Measure the resistance between the signal circuit in the fan clutch assembly and battery negative.
Is the resistance less than 10 Ohms?
Ye s>>
Replace the fan

Page 669 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 5.(K161) SIGNAL CIRCUIT OPEN FROM ECM TO FAN CLUTCH ASSEMBLY
Disconnect the ECM harness connectors.
Check connectors - Clean/repair as necessary.
Measure the resistance of the (K161) signal circuit be

Page 670 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 7.(K161) SIGNAL CIRCUIT SHORTED TO RETURN IN THE HARNESS
Measure the resistance between the (K161) signal circuit in the fan
clutch assembly harness connector and the return circuit in the fan
clutch

Page 671 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 9.(K161) SIGNAL CIRCUIT IN ECM SHORTED TO GROUND INSIDE ECM
Reconnect the ECM harness connectors.
Measure the resistance between the (K161) signal circuit in the fan
clutch assembly harness connector

Page 672 of 5267

DODGE RAM SRT-10 2006  Service Repair Manual 11 .(K668) 5-VOLT SUPPLY CIRCUIT IN ECM
Turn the ignition on.
Measure the voltage between the (K668) 5-volt supply circuit in the fan
clutch assembly harness connector and battery negative.
Is the vol