P2183-ENGINE COOLANT TEMPERATURE SENSOR 2 CIRCUIT PERFORMANCE





For a complete wiring diagram Refer to Section 8W


  • When Monitored:

    With the ignition on.

  • Set Condition:

    The PCM detects that the Engine Coolant Temperature Sensor 2 circuit voltage is implausible.


Possible Causes
 
INTERMITTENT DTC
 
(K222) ECT 2 SIGNAL CIRCUIT SHORTED TO VOLTAGE
 
(K222) ECT 2 SIGNAL CIRCUIT SHORTED TO GROUND
 
(K222) ECT 2 SIGNAL CIRCUIT SHORTED TO THE (K915) SENSOR GROUND CIRCUIT
 
(K222) ECT 2 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
 
(K915) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
 
ENGINE COOLANT TEMPERATURE SENSOR 2
 
POWERTRAIN CONTROL MODULE (PCM)
 


Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - STANDARD PROCEDURE)



Diagnostic Test


NOTE: Diagnose any CAN - C Communication DTCs before continuing.







Is the status Active or Pending for this DTC?

Yes
  • Go To 3


No
  • Go to 2

2.AMBIENT AIR TEMPERATURE






Is the Engine Coolant Temperature Sensor 2 value within 10° C (18° F) of the other two sensor values?

Yes


No
  • Go to 3

3.(K222) ECT 2 SIGNAL CIRCUIT SHORTED TO VOLTAGE









Is there any voltage present?

Yes


No
  • Go to 4

4.(K222) ECT 2 SIGNAL CIRCUIT SHORTED TO GROUND






Is the resistance above 100 ohms?

Yes
  • Go to 5


No

5.(K222) ECT 2 SIGNAL CIRCUIT SHORTED TO THE (K915) SENSOR GROUND CIRCUIT





Is the resistance above 100 ohms?

Yes
  • Go to 6


No

6.(K222) ECT 2 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE





Is the resistance below 5.0 ohms?

Yes
  • Go to 7


No

7.(K915) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE





Is the resistance below 5.0 ohms?

Yes
  • Go to 8


No

8.ENGINE COOLANT TEMPERATURE SENSOR 2









Is the voltage below 1.0 volt with the jumper wire in place?

Yes


No
  • Go to 9

9.POWERTRAIN CONTROL MODULE (PCM)








Were any problems found?

Yes


No